diff --git a/.github/flake8.ini b/.github/flake8.ini
index 5e0eb3fe..f949f801 100644
--- a/.github/flake8.ini
+++ b/.github/flake8.ini
@@ -24,7 +24,6 @@ extend-ignore =
     # makes lines too long
     SIM117
 
-
 per-file-ignores =
     # T201 print found.
     #
@@ -35,4 +34,8 @@ per-file-ignores =
     # IDA tests emit results to output window so need to print
     tests/test_ida_features.py: T201
     # utility used to find the Binary Ninja API via invoking python.exe
-    capa/features/extractors/binja/find_binja_api.py: T201
\ No newline at end of file
+    capa/features/extractors/binja/find_binja_api.py: T201
+
+copyright-check = True
+copyright-min-file-size = 1 
+copyright-regexp = Copyright \(C\) 2023 Mandiant, Inc. All Rights Reserved.
\ No newline at end of file
diff --git a/.github/ruff.toml b/.github/ruff.toml
index 3a5254a9..306cc891 100644
--- a/.github/ruff.toml
+++ b/.github/ruff.toml
@@ -41,21 +41,3 @@ exclude = [
     "*_pb2.py", 
     "*_pb2.pyi"
 ]
-
-[per-file-ignores]
-# until we address #1592 and move test fixtures into conftest.py
-# then we need to ignore imports done to enable pytest fixtures.
-#
-# F401: `foo` imported but unused
-# F811 Redefinition of unused `foo`
-"tests/test_main.py" = ["F401", "F811"]
-"tests/test_proto.py" = ["F401", "F811"]
-"tests/test_freeze.py" = ["F401", "F811"]
-"tests/test_function_id.py" = ["F401", "F811"]
-"tests/test_viv_features.py" = ["F401", "F811"]
-"tests/test_binja_features.py" = ["F401", "F811"]
-"tests/test_pefile_features.py" = ["F401", "F811"]
-"tests/test_dnfile_features.py" = ["F401", "F811"]
-"tests/test_dotnet_features.py" = ["F401", "F811"]
-"tests/test_result_document.py" = ["F401", "F811"]
-"tests/test_dotnetfile_features.py" = ["F401", "F811"]
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 08797988..73822bfb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,14 +1,14 @@
 name: build
 
-permissions:
-  contents: write
-
 on:
   pull_request:
     branches: [ master ]
   release:
     types: [edited, published]
 
+permissions:
+  contents: write
+
 jobs:
   build:
     name: PyInstaller for ${{ matrix.os }}
diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 6390e184..853a5cc4 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -7,6 +7,8 @@ on:
   pull_request_target:
     types: [opened, edited, synchronize]
 
+permissions: read-all
+
 jobs:
   check_changelog:
     # no need to check for dependency updates via dependabot
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 390a814f..314f5261 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -2,13 +2,13 @@
 # https://blog.trailofbits.com/2023/05/23/trusted-publishing-a-new-benchmark-for-packaging-security/
 name: publish to pypi
 
-permissions:
-  contents: write
-
 on:
   release:
     types: [published]
 
+permissions:
+  contents: write
+
 jobs:
   pypi-publish:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/tag.yml b/.github/workflows/tag.yml
index 87bf8f45..752a008e 100644
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@@ -4,6 +4,8 @@ on:
   release:
     types: [published]
 
+permissions: read-all
+
 jobs:
   tag:
     name: Tag capa rules
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 577c153d..e5265340 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -6,6 +6,8 @@ on:
   pull_request:
     branches: [ master, backend-ghidra ]
 
+permissions: read-all
+
 # save workspaces to speed up testing
 env:
   CAPA_SAVE_WORKSPACE: "True"
@@ -27,10 +29,11 @@ jobs:
     steps:
     - name: Checkout capa
       uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
-    - name: Set up Python 3.8
+    # use latest available python to take advantage of best performance
+    - name: Set up Python 3.11
       uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # v4.5.0
       with:
-        python-version: "3.8"
+        python-version: "3.11"
     - name: Install dependencies
       run: pip install -e .[dev]
     - name: Lint with ruff
@@ -51,10 +54,10 @@ jobs:
       uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
       with:
         submodules: recursive
-    - name: Set up Python 3.8
+    - name: Set up Python 3.11
       uses: actions/setup-python@d27e3f3d7c64b4bbf8e4abfb9b63b83e846e0435 # v4.5.0
       with:
-        python-version: "3.8"
+        python-version: "3.11"
     - name: Install capa
       run: pip install -e .[dev]
     - name: Run rule linter
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e5b774f..f16a529c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -61,11 +61,14 @@
 - tests: refine the IDA test runner script #1513 @williballenthin
 - output: don't leave behind traces of progress bar @williballenthin
 - import-to-ida: fix bug introduced with JSON report changes in v5 #1584 @williballenthin
+- main: don't show spinner when emitting debug messages #1636 @williballenthin
 
 ### capa explorer IDA Pro plugin
 
 ### Development
 - update ATT&CK/MBC data for linting #1568 @mr-tz
+- log time taken to analyze each function #1290 @williballenthin
+- tests: make fixture available via conftest.py #1592 @williballenthin
 
 ### Raw diffs
 - [capa v5.1.0...master](https://github.com/mandiant/capa/compare/v5.1.0...master)
diff --git a/LICENSE.txt b/LICENSE.txt
index 6a1de7cf..861a3e4f 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -187,7 +187,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright (C) 2020 Mandiant, Inc.
+   Copyright (C) 2023 Mandiant, Inc.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/capa/engine.py b/capa/engine.py
index d498639d..8ae36d3e 100644
--- a/capa/engine.py
+++ b/capa/engine.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/exceptions.py b/capa/exceptions.py
index 8c939997..e080791a 100644
--- a/capa/exceptions.py
+++ b/capa/exceptions.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 class UnsupportedRuntimeError(RuntimeError):
     pass
 
diff --git a/capa/features/address.py b/capa/features/address.py
index 251b498a..42828495 100644
--- a/capa/features/address.py
+++ b/capa/features/address.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import abc
 
 
diff --git a/capa/features/basicblock.py b/capa/features/basicblock.py
index 09f1b26d..5d768ea2 100644
--- a/capa/features/basicblock.py
+++ b/capa/features/basicblock.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/common.py b/capa/features/common.py
index 5ea1612b..3216c38e 100644
--- a/capa/features/common.py
+++ b/capa/features/common.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/base_extractor.py b/capa/features/extractors/base_extractor.py
index 3be983ed..09776df2 100644
--- a/capa/features/extractors/base_extractor.py
+++ b/capa/features/extractors/base_extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/basicblock.py b/capa/features/extractors/binja/basicblock.py
index eff597b5..30af516d 100644
--- a/capa/features/extractors/binja/basicblock.py
+++ b/capa/features/extractors/binja/basicblock.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/extractor.py b/capa/features/extractors/binja/extractor.py
index 792db3d2..167a8e6e 100644
--- a/capa/features/extractors/binja/extractor.py
+++ b/capa/features/extractors/binja/extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/file.py b/capa/features/extractors/binja/file.py
index c36b5b48..d46451e7 100644
--- a/capa/features/extractors/binja/file.py
+++ b/capa/features/extractors/binja/file.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/find_binja_api.py b/capa/features/extractors/binja/find_binja_api.py
index 5433ff47..e97dfc0d 100644
--- a/capa/features/extractors/binja/find_binja_api.py
+++ b/capa/features/extractors/binja/find_binja_api.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/function.py b/capa/features/extractors/binja/function.py
index 2bf735db..a502a5f4 100644
--- a/capa/features/extractors/binja/function.py
+++ b/capa/features/extractors/binja/function.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/global_.py b/capa/features/extractors/binja/global_.py
index afcec4ad..7430d740 100644
--- a/capa/features/extractors/binja/global_.py
+++ b/capa/features/extractors/binja/global_.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 from typing import Tuple, Iterator
 
diff --git a/capa/features/extractors/binja/helpers.py b/capa/features/extractors/binja/helpers.py
index 4baae3f9..a96f64da 100644
--- a/capa/features/extractors/binja/helpers.py
+++ b/capa/features/extractors/binja/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/binja/insn.py b/capa/features/extractors/binja/insn.py
index ebcf35bf..3144fd15 100644
--- a/capa/features/extractors/binja/insn.py
+++ b/capa/features/extractors/binja/insn.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/common.py b/capa/features/extractors/common.py
index 6beaa72d..2d4f0266 100644
--- a/capa/features/extractors/common.py
+++ b/capa/features/extractors/common.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import io
 import logging
 import binascii
diff --git a/capa/features/extractors/dnfile/extractor.py b/capa/features/extractors/dnfile/extractor.py
index ba76270b..98a1dd0b 100644
--- a/capa/features/extractors/dnfile/extractor.py
+++ b/capa/features/extractors/dnfile/extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile/file.py b/capa/features/extractors/dnfile/file.py
index 600ec17d..8ab2cc38 100644
--- a/capa/features/extractors/dnfile/file.py
+++ b/capa/features/extractors/dnfile/file.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile/function.py b/capa/features/extractors/dnfile/function.py
index 5ddde9a8..32069ed3 100644
--- a/capa/features/extractors/dnfile/function.py
+++ b/capa/features/extractors/dnfile/function.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile/helpers.py b/capa/features/extractors/dnfile/helpers.py
index 14db7bbb..def6cd04 100644
--- a/capa/features/extractors/dnfile/helpers.py
+++ b/capa/features/extractors/dnfile/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile/insn.py b/capa/features/extractors/dnfile/insn.py
index b70f39dc..bdaf7a3a 100644
--- a/capa/features/extractors/dnfile/insn.py
+++ b/capa/features/extractors/dnfile/insn.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile/types.py b/capa/features/extractors/dnfile/types.py
index 7b5da2bc..6c6d5992 100644
--- a/capa/features/extractors/dnfile/types.py
+++ b/capa/features/extractors/dnfile/types.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/dnfile_.py b/capa/features/extractors/dnfile_.py
index 58ae1539..180d1308 100644
--- a/capa/features/extractors/dnfile_.py
+++ b/capa/features/extractors/dnfile_.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 from typing import Tuple, Iterator
 from pathlib import Path
diff --git a/capa/features/extractors/dotnetfile.py b/capa/features/extractors/dotnetfile.py
index 75f34fa2..76672e51 100644
--- a/capa/features/extractors/dotnetfile.py
+++ b/capa/features/extractors/dotnetfile.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 from typing import Tuple, Iterator
 from pathlib import Path
diff --git a/capa/features/extractors/elf.py b/capa/features/extractors/elf.py
index c9a3db79..c3305444 100644
--- a/capa/features/extractors/elf.py
+++ b/capa/features/extractors/elf.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/elffile.py b/capa/features/extractors/elffile.py
index edf74dc2..da64a412 100644
--- a/capa/features/extractors/elffile.py
+++ b/capa/features/extractors/elffile.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/helpers.py b/capa/features/extractors/helpers.py
index d27b85b1..66399b12 100644
--- a/capa/features/extractors/helpers.py
+++ b/capa/features/extractors/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/basicblock.py b/capa/features/extractors/ida/basicblock.py
index 88a1247e..81790132 100644
--- a/capa/features/extractors/ida/basicblock.py
+++ b/capa/features/extractors/ida/basicblock.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/extractor.py b/capa/features/extractors/ida/extractor.py
index 0d44ba9e..bf5d1682 100644
--- a/capa/features/extractors/ida/extractor.py
+++ b/capa/features/extractors/ida/extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/file.py b/capa/features/extractors/ida/file.py
index e75d59e1..051ecafd 100644
--- a/capa/features/extractors/ida/file.py
+++ b/capa/features/extractors/ida/file.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/function.py b/capa/features/extractors/ida/function.py
index cb4d6329..54a72a6b 100644
--- a/capa/features/extractors/ida/function.py
+++ b/capa/features/extractors/ida/function.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/global_.py b/capa/features/extractors/ida/global_.py
index 3cca914e..17f37bc4 100644
--- a/capa/features/extractors/ida/global_.py
+++ b/capa/features/extractors/ida/global_.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 import contextlib
 from typing import Tuple, Iterator
diff --git a/capa/features/extractors/ida/helpers.py b/capa/features/extractors/ida/helpers.py
index e2553e82..ad57371c 100644
--- a/capa/features/extractors/ida/helpers.py
+++ b/capa/features/extractors/ida/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/ida/insn.py b/capa/features/extractors/ida/insn.py
index e031b7a5..cb6c89ac 100644
--- a/capa/features/extractors/ida/insn.py
+++ b/capa/features/extractors/ida/insn.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/loops.py b/capa/features/extractors/loops.py
index 96ddb2d9..26202011 100644
--- a/capa/features/extractors/loops.py
+++ b/capa/features/extractors/loops.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/null.py b/capa/features/extractors/null.py
index 892eadc8..c7206ced 100644
--- a/capa/features/extractors/null.py
+++ b/capa/features/extractors/null.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 from typing import Dict, List, Tuple
 from dataclasses import dataclass
 
diff --git a/capa/features/extractors/pefile.py b/capa/features/extractors/pefile.py
index 078e6ff0..a820e7b8 100644
--- a/capa/features/extractors/pefile.py
+++ b/capa/features/extractors/pefile.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/strings.py b/capa/features/extractors/strings.py
index 3596e49d..5f563b1c 100644
--- a/capa/features/extractors/strings.py
+++ b/capa/features/extractors/strings.py
@@ -1,6 +1,6 @@
 # strings code from FLOSS, https://github.com/mandiant/flare-floss
 #
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/basicblock.py b/capa/features/extractors/viv/basicblock.py
index ef13a925..46bdb2b0 100644
--- a/capa/features/extractors/viv/basicblock.py
+++ b/capa/features/extractors/viv/basicblock.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/extractor.py b/capa/features/extractors/viv/extractor.py
index 588ff88c..faddb05d 100644
--- a/capa/features/extractors/viv/extractor.py
+++ b/capa/features/extractors/viv/extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/file.py b/capa/features/extractors/viv/file.py
index 0deee2c7..cc078016 100644
--- a/capa/features/extractors/viv/file.py
+++ b/capa/features/extractors/viv/file.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/function.py b/capa/features/extractors/viv/function.py
index 153065f9..112f4fa1 100644
--- a/capa/features/extractors/viv/function.py
+++ b/capa/features/extractors/viv/function.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/global_.py b/capa/features/extractors/viv/global_.py
index cea50da2..1b204237 100644
--- a/capa/features/extractors/viv/global_.py
+++ b/capa/features/extractors/viv/global_.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 from typing import Tuple, Iterator
 
diff --git a/capa/features/extractors/viv/helpers.py b/capa/features/extractors/viv/helpers.py
index a7554ac1..662704af 100644
--- a/capa/features/extractors/viv/helpers.py
+++ b/capa/features/extractors/viv/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/indirect_calls.py b/capa/features/extractors/viv/indirect_calls.py
index d39f08c9..71c63172 100644
--- a/capa/features/extractors/viv/indirect_calls.py
+++ b/capa/features/extractors/viv/indirect_calls.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/extractors/viv/insn.py b/capa/features/extractors/viv/insn.py
index 1e4633d7..fb117dfa 100644
--- a/capa/features/extractors/viv/insn.py
+++ b/capa/features/extractors/viv/insn.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/file.py b/capa/features/file.py
index 735464c6..46a6b65f 100644
--- a/capa/features/file.py
+++ b/capa/features/file.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/freeze/__init__.py b/capa/features/freeze/__init__.py
index ea935139..9584990f 100644
--- a/capa/features/freeze/__init__.py
+++ b/capa/features/freeze/__init__.py
@@ -1,7 +1,7 @@
 """
 capa freeze file format: `| capa0000 | + zlib(utf-8(json(...)))`
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/features/freeze/features.py b/capa/features/freeze/features.py
index 39f9b0d8..ba651672 100644
--- a/capa/features/freeze/features.py
+++ b/capa/features/freeze/features.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import binascii
 from typing import Union, Optional
 
diff --git a/capa/features/insn.py b/capa/features/insn.py
index f4be23c8..062882db 100644
--- a/capa/features/insn.py
+++ b/capa/features/insn.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/helpers.py b/capa/helpers.py
index b8100819..92f26c3d 100644
--- a/capa/helpers.py
+++ b/capa/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/helpers.py b/capa/ida/helpers.py
index 4f3d2a0b..89e12c60 100644
--- a/capa/ida/helpers.py
+++ b/capa/ida/helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/__init__.py b/capa/ida/plugin/__init__.py
index a24e7d38..789a1e1c 100644
--- a/capa/ida/plugin/__init__.py
+++ b/capa/ida/plugin/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/cache.py b/capa/ida/plugin/cache.py
index 7a665033..42910ee5 100644
--- a/capa/ida/plugin/cache.py
+++ b/capa/ida/plugin/cache.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/capa_explorer.py b/capa/ida/plugin/capa_explorer.py
index 5514aec2..a34bd08d 100644
--- a/capa/ida/plugin/capa_explorer.py
+++ b/capa/ida/plugin/capa_explorer.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/error.py b/capa/ida/plugin/error.py
index 87bb0c19..28139e90 100644
--- a/capa/ida/plugin/error.py
+++ b/capa/ida/plugin/error.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/extractor.py b/capa/ida/plugin/extractor.py
index 58bbc4ba..9745c055 100644
--- a/capa/ida/plugin/extractor.py
+++ b/capa/ida/plugin/extractor.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/form.py b/capa/ida/plugin/form.py
index 7e381dde..19628e2a 100644
--- a/capa/ida/plugin/form.py
+++ b/capa/ida/plugin/form.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/hooks.py b/capa/ida/plugin/hooks.py
index 2f978e74..fdbbe8e4 100644
--- a/capa/ida/plugin/hooks.py
+++ b/capa/ida/plugin/hooks.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/icon.py b/capa/ida/plugin/icon.py
index 76a6dfb2..76b42cd2 100644
--- a/capa/ida/plugin/icon.py
+++ b/capa/ida/plugin/icon.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import base64
 
 # this is just `capa/.github/icon.png`.
diff --git a/capa/ida/plugin/item.py b/capa/ida/plugin/item.py
index b2be1c14..17259f61 100644
--- a/capa/ida/plugin/item.py
+++ b/capa/ida/plugin/item.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/model.py b/capa/ida/plugin/model.py
index 1d2b1132..47a6e7f7 100644
--- a/capa/ida/plugin/model.py
+++ b/capa/ida/plugin/model.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/proxy.py b/capa/ida/plugin/proxy.py
index e67147bd..0c8b8d2c 100644
--- a/capa/ida/plugin/proxy.py
+++ b/capa/ida/plugin/proxy.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/ida/plugin/view.py b/capa/ida/plugin/view.py
index e93513c2..f041f5bc 100644
--- a/capa/ida/plugin/view.py
+++ b/capa/ida/plugin/view.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/main.py b/capa/main.py
index a38d68c3..9724f314 100644
--- a/capa/main.py
+++ b/capa/main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
@@ -20,7 +20,7 @@ import textwrap
 import itertools
 import contextlib
 import collections
-from typing import Any, Dict, List, Tuple, Callable
+from typing import Any, Dict, List, Tuple, Callable, Optional
 from pathlib import Path
 
 import halo
@@ -266,6 +266,7 @@ def find_capabilities(ruleset: RuleSet, extractor: FeatureExtractor, disable_pro
 
             pb = pbar(functions, desc="matching", unit=" functions", postfix="skipped 0 library functions", leave=False)
             for f in pb:
+                t0 = time.time()
                 if extractor.is_library_function(f.address):
                     function_name = extractor.get_function_name(f.address)
                     logger.debug("skipping library function 0x%x (%s)", f.address, function_name)
@@ -284,7 +285,18 @@ def find_capabilities(ruleset: RuleSet, extractor: FeatureExtractor, disable_pro
                 feature_counts.functions += (
                     rdoc.FunctionFeatureCount(address=frz.Address.from_capa(f.address), count=feature_count),
                 )
-                logger.debug("analyzed function 0x%x and extracted %d features", f.address, feature_count)
+                t1 = time.time()
+
+                match_count = sum(len(res) for res in function_matches.values())
+                match_count += sum(len(res) for res in bb_matches.values())
+                match_count += sum(len(res) for res in insn_matches.values())
+                logger.debug(
+                    "analyzed function 0x%x and extracted %d features, %d matches in %0.02fs",
+                    f.address,
+                    feature_count,
+                    match_count,
+                    t1 - t0,
+                )
 
                 for rule_name, res in function_matches.items():
                     all_function_matches[rule_name].extend(res)
@@ -1060,7 +1072,7 @@ def handle_common_args(args):
         args.signatures = sigs_path
 
 
-def main(argv=None):
+def main(argv: Optional[List[str]] = None):
     if sys.version_info < (3, 8):
         raise UnsupportedRuntimeError("This version of capa can only be used with Python 3.8+")
 
@@ -1238,7 +1250,7 @@ def main(argv=None):
                     args.backend,
                     sig_paths,
                     should_save_workspace,
-                    disable_progress=args.quiet,
+                    disable_progress=args.quiet or args.debug,
                 )
             except UnsupportedFormatError:
                 log_unsupported_format_error()
diff --git a/capa/optimizer.py b/capa/optimizer.py
index 1c8e529a..0ebee844 100644
--- a/capa/optimizer.py
+++ b/capa/optimizer.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import logging
 
 import capa.engine as ceng
diff --git a/capa/perf.py b/capa/perf.py
index 54575e99..7358c5f9 100644
--- a/capa/perf.py
+++ b/capa/perf.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import typing
 import collections
 
diff --git a/capa/render/default.py b/capa/render/default.py
index 556c82a4..79567e4b 100644
--- a/capa/render/default.py
+++ b/capa/render/default.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/render/json.py b/capa/render/json.py
index 8fb21fb5..d015641d 100644
--- a/capa/render/json.py
+++ b/capa/render/json.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/render/result_document.py b/capa/render/result_document.py
index 00c3eb9b..0919207c 100644
--- a/capa/render/result_document.py
+++ b/capa/render/result_document.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/render/utils.py b/capa/render/utils.py
index d9cb9308..fb393234 100644
--- a/capa/render/utils.py
+++ b/capa/render/utils.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/render/verbose.py b/capa/render/verbose.py
index 227c5fc7..c3ec2442 100644
--- a/capa/render/verbose.py
+++ b/capa/render/verbose.py
@@ -14,7 +14,7 @@ example::
                  0x10003415
                  0x10003797
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/render/vverbose.py b/capa/render/vverbose.py
index cadad7c7..59189833 100644
--- a/capa/render/vverbose.py
+++ b/capa/render/vverbose.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/rules/__init__.py b/capa/rules/__init__.py
index a9fd4f1f..066c3a11 100644
--- a/capa/rules/__init__.py
+++ b/capa/rules/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/capa/rules/cache.py b/capa/rules/cache.py
index 1269712b..5cc1d1d4 100644
--- a/capa/rules/cache.py
+++ b/capa/rules/cache.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import os
 import sys
 import zlib
diff --git a/capa/version.py b/capa/version.py
index 2c270402..5ce717b2 100644
--- a/capa/version.py
+++ b/capa/version.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 __version__ = "5.1.0"
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 183a04b6..1e73090f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,7 +75,9 @@ dev = [
     "flake8-print==5.0.0",
     "flake8-todos==0.3.0",
     "flake8-simplify==0.20.0",
-    "ruff==0.0.277",
+    "flake8-use-pathlib==0.3.0",
+    "flake8-copyright==0.2.4",
+    "ruff==0.0.278",
     "black==23.7.0",
     "isort==5.11.4",
     "mypy==1.4.1",
diff --git a/rules b/rules
index e51b74e0..85a980a6 160000
--- a/rules
+++ b/rules
@@ -1 +1 @@
-Subproject commit e51b74e012d1e8541e8dc6933022628d6925c1b9
+Subproject commit 85a980a6cc8557af10bc1220eac9251ce3334ab5
diff --git a/scripts/bulk-process.py b/scripts/bulk-process.py
index dc75ac76..fb6ecdd3 100644
--- a/scripts/bulk-process.py
+++ b/scripts/bulk-process.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env python
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 bulk-process
 
@@ -47,7 +54,7 @@ usage:
                             parallelism factor
       --no-mp               disable subprocesses
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/capa2yara.py b/scripts/capa2yara.py
index 7f84f7b6..4f0a8b90 100644
--- a/scripts/capa2yara.py
+++ b/scripts/capa2yara.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 Convert capa rules to YARA rules (where this is possible)
 
diff --git a/scripts/capa_as_library.py b/scripts/capa_as_library.py
index ecc20de1..06613dcb 100644
--- a/scripts/capa_as_library.py
+++ b/scripts/capa_as_library.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env python3
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 
 import json
 import collections
diff --git a/scripts/capafmt.py b/scripts/capafmt.py
index f99071d4..fa829800 100644
--- a/scripts/capafmt.py
+++ b/scripts/capafmt.py
@@ -6,7 +6,7 @@ Usage:
 
    $ python capafmt.py -i foo.yml
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/detect-elf-os.py b/scripts/detect-elf-os.py
index 6a917314..5adf85de 100644
--- a/scripts/detect-elf-os.py
+++ b/scripts/detect-elf-os.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 """
-Copyright (C) 2021 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/detect_duplicate_features.py b/scripts/detect_duplicate_features.py
index bfbd9baf..dd9b9838 100644
--- a/scripts/detect_duplicate_features.py
+++ b/scripts/detect_duplicate_features.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import sys
 import logging
 import argparse
diff --git a/scripts/import-to-bn.py b/scripts/import-to-bn.py
index 54f63d76..74293f74 100644
--- a/scripts/import-to-bn.py
+++ b/scripts/import-to-bn.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 Binary Ninja plugin that imports a capa report,
 produced via `capa --json /path/to/sample`,
diff --git a/scripts/import-to-ida.py b/scripts/import-to-ida.py
index 42c56445..121d8158 100644
--- a/scripts/import-to-ida.py
+++ b/scripts/import-to-ida.py
@@ -20,7 +20,7 @@ and then select the existing capa report from the file system.
 This script will verify that the report matches the workspace.
 Check the output window for any errors, and/or the summary of changes.
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/lint.py b/scripts/lint.py
index ce1d3e3f..847f574a 100644
--- a/scripts/lint.py
+++ b/scripts/lint.py
@@ -5,7 +5,7 @@ Usage:
 
    $ python scripts/lint.py rules/
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/match-function-id.py b/scripts/match-function-id.py
index 0daa88bb..7fe51e23 100644
--- a/scripts/match-function-id.py
+++ b/scripts/match-function-id.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 """
-Copyright (C) 2021 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/profile-memory.py b/scripts/profile-memory.py
index e3e98f56..b958eac0 100644
--- a/scripts/profile-memory.py
+++ b/scripts/profile-memory.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import gc
 import linecache
 import tracemalloc
diff --git a/scripts/profile-time.py b/scripts/profile-time.py
index c6197b35..b6c48683 100644
--- a/scripts/profile-time.py
+++ b/scripts/profile-time.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 Invoke capa multiple times and record profiling informations.
 Use the --number and --repeat options to change the number of iterations.
diff --git a/scripts/setup-linter-dependencies.py b/scripts/setup-linter-dependencies.py
index 7aad2ab1..bc7f9bf0 100644
--- a/scripts/setup-linter-dependencies.py
+++ b/scripts/setup-linter-dependencies.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 Generate capa linter-data.json, used to validate Att&ck/MBC IDs and names.
 
diff --git a/scripts/show-capabilities-by-function.py b/scripts/show-capabilities-by-function.py
index df2c79d3..78700088 100644
--- a/scripts/show-capabilities-by-function.py
+++ b/scripts/show-capabilities-by-function.py
@@ -1,4 +1,11 @@
 #!/usr/bin/env python2
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 show-capabilities-by-function
 
@@ -40,7 +47,7 @@ Example::
       - connect TCP socket
     ...
 
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/scripts/show-features.py b/scripts/show-features.py
index e062b35d..25f1662b 100644
--- a/scripts/show-features.py
+++ b/scripts/show-features.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 """
-Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
 You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 00000000..efe603a7
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,20 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
+
+# import all the symbols from our fixtures
+# and make available to test cases, implicitly.
+# this is thanks to pytest magic.
+#
+# see the following for a discussion:
+# https://www.revsys.com/tidbits/pytest-fixtures-are-magic/
+# https://lobste.rs/s/j8xgym/pytest_fixtures_are_magic
+from fixtures import *  # noqa: F403 [unable to detect undefined names]
+from fixtures import _692f_dotnetfile_extractor  # noqa: F401 [imported but unused]
+from fixtures import _1c444_dotnetfile_extractor  # noqa: F401 [imported but unused]
+from fixtures import _039a6_dotnetfile_extractor  # noqa: F401 [imported but unused]
+from fixtures import _0953c_dotnetfile_extractor  # noqa: F401 [imported but unused]
diff --git a/tests/data b/tests/data
index a0cfe3ac..bfcf387b 160000
--- a/tests/data
+++ b/tests/data
@@ -1 +1 @@
-Subproject commit a0cfe3aca94b86b6ee15d713c75f3c882231716a
+Subproject commit bfcf387b5b55e65ef02ceb0cc5191ebe49ad5614
diff --git a/tests/fixtures.py b/tests/fixtures.py
index 9e36dd14..2eaf86ae 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -1,5 +1,4 @@
-# -*- coding: utf-8 -*-
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_binja_features.py b/tests/test_binja_features.py
index 5819e0dc..b2256f80 100644
--- a/tests/test_binja_features.py
+++ b/tests/test_binja_features.py
@@ -1,17 +1,15 @@
-# Copyright (C) 2020 FireEye, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
-import os
 import logging
 from pathlib import Path
 
 import pytest
 import fixtures
-from fixtures import scope, sample
 
 import capa.main
 
@@ -59,7 +57,7 @@ def test_binja_feature_counts(sample, scope, feature, expected):
 def test_standalone_binja_backend():
     CD = Path(__file__).resolve().parent
     test_path = CD / ".." / "tests" / "data" / "Practical Malware Analysis Lab 01-01.exe_"
-    assert capa.main.main([test_path, "-b", capa.main.BACKEND_BINJA]) == 0
+    assert capa.main.main([str(test_path), "-b", capa.main.BACKEND_BINJA]) == 0
 
 
 @pytest.mark.skipif(binja_present is False, reason="Skip binja tests if the binaryninja Python API is not installed")
diff --git a/tests/test_dnfile_features.py b/tests/test_dnfile_features.py
index 5ffa2ead..d5448766 100644
--- a/tests/test_dnfile_features.py
+++ b/tests/test_dnfile_features.py
@@ -1,13 +1,11 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
-
 import fixtures
-from fixtures import scope, sample
 
 
 @fixtures.parametrize(
diff --git a/tests/test_dotnet_features.py b/tests/test_dotnet_features.py
index af633386..51ce66b0 100644
--- a/tests/test_dotnet_features.py
+++ b/tests/test_dotnet_features.py
@@ -1,13 +1,11 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
-
 import fixtures
-from fixtures import scope, sample, b9f5b_dotnetfile_extractor, mixed_mode_64_dotnetfile_extractor
 
 
 @fixtures.parametrize(
diff --git a/tests/test_dotnetfile_features.py b/tests/test_dotnetfile_features.py
index 3b4858a1..c1dfcf46 100644
--- a/tests/test_dotnetfile_features.py
+++ b/tests/test_dotnetfile_features.py
@@ -1,27 +1,19 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
-
 import pytest
 import fixtures
-from fixtures import (
-    FEATURE_PRESENCE_TESTS_DOTNET,
-    scope,
-    sample,
-    b9f5b_dotnetfile_extractor,
-    mixed_mode_64_dotnetfile_extractor,
-)
 
 import capa.features.file
 
 
 @fixtures.parametrize(
     "sample,scope,feature,expected",
-    FEATURE_PRESENCE_TESTS_DOTNET,
+    fixtures.FEATURE_PRESENCE_TESTS_DOTNET,
     indirect=["sample", "scope"],
 )
 def test_dotnetfile_features(sample, scope, feature, expected):
diff --git a/tests/test_engine.py b/tests/test_engine.py
index 785896a3..f8c626db 100644
--- a/tests/test_engine.py
+++ b/tests/test_engine.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_fmt.py b/tests/test_fmt.py
index 96101dfb..6bb0f087 100644
--- a/tests/test_fmt.py
+++ b/tests/test_fmt.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_freeze.py b/tests/test_freeze.py
index a3930391..cbc60b48 100644
--- a/tests/test_freeze.py
+++ b/tests/test_freeze.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
@@ -10,7 +10,6 @@ from typing import List
 from pathlib import Path
 
 import pytest
-from fixtures import z9324d_extractor
 
 import capa.main
 import capa.rules
diff --git a/tests/test_function_id.py b/tests/test_function_id.py
index 65af1ae0..bc177347 100644
--- a/tests/test_function_id.py
+++ b/tests/test_function_id.py
@@ -1,4 +1,11 @@
-from fixtures import get_function, pma16_01_extractor, extract_function_features
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
+import fixtures
 
 import capa.features.insn
 
@@ -22,6 +29,6 @@ def test_function_id_complex_match(pma16_01_extractor):
 
 
 def test_function_id_api_feature(pma16_01_extractor):
-    f = get_function(pma16_01_extractor, 0x404548)
-    features = extract_function_features(pma16_01_extractor, f)
+    f = fixtures.get_function(pma16_01_extractor, 0x404548)
+    features = fixtures.extract_function_features(pma16_01_extractor, f)
     assert capa.features.insn.API("__aulldiv") in features
diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index 90b689b3..f956be5c 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_ida_features.py b/tests/test_ida_features.py
index 3eb3b053..239f045e 100644
--- a/tests/test_ida_features.py
+++ b/tests/test_ida_features.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 """
 run this script from within IDA to test the IDA feature extractor.
 you must have loaded a file referenced by a test case in order
diff --git a/tests/test_main.py b/tests/test_main.py
index 45554760..278bc729 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
@@ -10,16 +10,6 @@ import json
 import textwrap
 
 import fixtures
-from fixtures import (
-    z499c2_extractor,
-    z9324d_extractor,
-    pma16_01_extractor,
-    pingtaest_extractor,
-    _692f_dotnetfile_extractor,
-    _1c444_dotnetfile_extractor,
-    _039a6_dotnetfile_extractor,
-    _0953c_dotnetfile_extractor,
-)
 
 import capa.main
 import capa.rules
diff --git a/tests/test_match.py b/tests/test_match.py
index 99301cce..2c9928db 100644
--- a/tests/test_match.py
+++ b/tests/test_match.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_optimizer.py b/tests/test_optimizer.py
index 40c008fa..20c098de 100644
--- a/tests/test_optimizer.py
+++ b/tests/test_optimizer.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2021 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_os_detection.py b/tests/test_os_detection.py
index 9f835177..d5806d45 100644
--- a/tests/test_os_detection.py
+++ b/tests/test_os_detection.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2022 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_pefile_features.py b/tests/test_pefile_features.py
index c9013d50..cb19b468 100644
--- a/tests/test_pefile_features.py
+++ b/tests/test_pefile_features.py
@@ -1,15 +1,12 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
 # Unless required by applicable law or agreed to in writing, software distributed under the License
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
-from pathlib import PosixPath
-
 import pytest
 import fixtures
-from fixtures import scope, sample
 
 import capa.features.file
 
diff --git a/tests/test_proto.py b/tests/test_proto.py
index 8a76ccfc..6f0137fe 100644
--- a/tests/test_proto.py
+++ b/tests/test_proto.py
@@ -9,7 +9,6 @@ import copy
 from typing import Any
 
 import pytest
-from fixtures import a3f3bbc_rd, a076114_rd, pma0101_rd, al_khaserx64_rd, al_khaserx86_rd, dotnet_1c444e_rd
 
 import capa.rules
 import capa.render
diff --git a/tests/test_render.py b/tests/test_render.py
index 9277b9f2..8f89bc5d 100644
--- a/tests/test_render.py
+++ b/tests/test_render.py
@@ -1,3 +1,10 @@
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at: [package root]/LICENSE.txt
+# Unless required by applicable law or agreed to in writing, software distributed under the License
+#  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and limitations under the License.
 import textwrap
 
 import fixtures
diff --git a/tests/test_result_document.py b/tests/test_result_document.py
index 161628ff..27a1dbb2 100644
--- a/tests/test_result_document.py
+++ b/tests/test_result_document.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
@@ -9,7 +9,6 @@ import copy
 
 import pytest
 import fixtures
-from fixtures import a3f3bbc_rd, a076114_rd, pma0101_rd, al_khaserx64_rd, al_khaserx86_rd, dotnet_1c444e_rd
 
 import capa
 import capa.engine as ceng
diff --git a/tests/test_rules.py b/tests/test_rules.py
index afd9c012..024a40d3 100644
--- a/tests/test_rules.py
+++ b/tests/test_rules.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_rules_insn_scope.py b/tests/test_rules_insn_scope.py
index 481b3cd9..c6dd3fd7 100644
--- a/tests/test_rules_insn_scope.py
+++ b/tests/test_rules_insn_scope.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2022 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_scripts.py b/tests/test_scripts.py
index e8971f0e..4baa96a9 100644
--- a/tests/test_scripts.py
+++ b/tests/test_scripts.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
diff --git a/tests/test_viv_features.py b/tests/test_viv_features.py
index 1e07ca74..b63f0dc6 100644
--- a/tests/test_viv_features.py
+++ b/tests/test_viv_features.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
 # Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at: [package root]/LICENSE.txt
@@ -6,7 +6,6 @@
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
 import fixtures
-from fixtures import scope, sample
 
 
 @fixtures.parametrize(