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REL: 2.0.0
The 2.0.0 release of PyPDF2 includes three core changes: 1. Dropping support for Python 3.5 and older. 2. Introducing type annotations. 3. Interface changes, mostly to have PEP8-compliant names We introduced a [deprecation process](#930) that hopefully helps users to avoid unexpected breaking changes. Breaking Changes(DEP): - PyPDF2 2.0 requires Python 3.6+. Python 2.7 and 3.5 support were dropped. - PdfFileReader: The "warndest" parameter was removed - PdfFileReader and PdfFileMerger no longer have the `overwriteWarnings` parameter. The new behavior is `overwriteWarnings=False`. - merger: OutlinesObject was removed without replacement. - merger.py ➔ _merger.py: You must import PdfFileMerger from PyPDF2 directly. - utils: * `ConvertFunctionsToVirtualList` was removed * `formatWarning` was removed * `isInt(obj)`: Use `instance(obj, int)` instead * `u_(s)`: Use `s` directly * `chr_(c)`: Use `chr(c)` instead * `barray(b)`: Use `bytearray(b)` instead * `isBytes(b)`: Use `instance(b, type(bytes()))` instead * `xrange_fn`: Use `range` instead * `string_type`: Use `str` instead * `isString(s)`: Use `instance(s, str)` instead * `_basestring`: Use `str` instead * All Exceptions are now in `PyPDF2.errors`: - PageSizeNotDefinedError - PdfReadError - PdfReadWarning - PyPdfError - `PyPDF2.pdf` (the `pdf` module) no longer exists. The contents were moved with the library. You should most likely import directly from `PyPDF2` instead. The `RectangleObject` is in `PyPDF2.generic`. - The `Resources`, `Scripts`, and `Tests` will no longer be part of the distribution files on PyPI. This should have little to no impact on most people. The `Tests` are renamed to `tests`, the `Resources` are renamed to `resources`. Both are still in the git repository. The `Scripts` are now in https://github.com/py-pdf/cpdf. `Sample_Code` was moved to the `docs`. For a full list of deprecated functions, please see the changelog of version 1.28.0. New Features (ENH): - Improve space setting for text extraction (#922) - Allow setting the decryption password in PdfReader.__init__ (#920) - Add Page.add_transformation (#883) Bug Fixes (BUG): - Fix error adding transformation to page without /Contents (#908) Robustness (ROB): - Cope with invalid length in streams (#861) Documentation (DOC): - Fix style of 1.25 and 1.27 patch notes (#927) - Transformation (#907) Developer Experience (DEV): - Create flake8 config file (#916) - Use relative imports (#875) Maintenance (MAINT): - Use Python 3.6 language features (#849) - Add wrapper function for PendingDeprecationWarnings (#928) - Use new PEP8 compliant names (#884) - Explicitly represent transformation matrix (#878) - Inline PAGE_RANGE_HELP string (#874) - Remove unnecessary generics imports (#873) - Remove star imports (#865) - merger.py ➔ _merger.py (#864) - Type annotations for all functions/methods (#854) - Add initial type support with mypy (#853) Testing (TST): - Regression test for xmp_metadata converter (#923) - Checkout submodule sample-files for benchmark - Add text extracting performance benchmark - Use new PyPDF2 API in benchmark (#902) - Make test suite fail for uncaught warnings (#892) - Remove -OO testrun from CI (#901) - Improve tests for convert_to_int (#899) Full Changelog: 1.28.4...2.0.0
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‎CHANGELOG‎

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Version 2.0.0
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Version 2.0.0, 2022-06-01
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The 2.0.0 release of PyPDF2 includes three core changes:
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1. Dropping support for Python 3.5 and older.
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2. Introducing type annotations.
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3. Interface changes, mostly to have PEP8-compliant names
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We introduced a [deprecation process](https://github.com/py-pdf/PyPDF2/pull/930)
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that hopefully helps users to avoid unexpected breaking changes.
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Breaking Changes(DEP):
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- PyPDF2 2.0 requires Python 3.6+. Python 2.7 and 3.5 support were dropped.
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Both are still in the git repository. The `Scripts` are now in
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https://github.com/py-pdf/cpdf. `Sample_Code` was moved to the `docs`.
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For a full list of deprecated functions, please see the changelog of version
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1.28.0.
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New Features (ENH):
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- Improve space setting for text extraction (#922)
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- Allow setting the decryption password in PdfReader.__init__ (#920)
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- Add Page.add_transformation (#883)
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Bug Fixes (BUG):
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- Fix error adding transformation to page without /Contents (#908)
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Robustness (ROB):
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- Cope with invalid length in streams (#861)
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Documentation (DOC):
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- Fix style of 1.25 and 1.27 patch notes (#927)
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- Transformation (#907)
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Developer Experience (DEV):
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- Create flake8 config file (#916)
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- Use relative imports (#875)
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Maintenance (MAINT):
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- Use Python 3.6 language features (#849)
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- Add wrapper function for PendingDeprecationWarnings (#928)
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- Use new PEP8 compliant names (#884)
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- Explicitly represent transformation matrix (#878)
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- Inline PAGE_RANGE_HELP string (#874)
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- Remove unnecessary generics imports (#873)
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- Remove star imports (#865)
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- merger.py ➔ _merger.py (#864)
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- Type annotations for all functions/methods (#854)
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- Add initial type support with mypy (#853)
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Testing (TST):
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- Regression test for xmp_metadata converter (#923)
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- Checkout submodule sample-files for benchmark
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- Add text extracting performance benchmark
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- Use new PyPDF2 API in benchmark (#902)
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- Make test suite fail for uncaught warnings (#892)
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- Remove -OO testrun from CI (#901)
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- Improve tests for convert_to_int (#899)
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Full Changelog: https://github.com/py-pdf/PyPDF2/compare/1.28.4...2.0.0
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Version 1.28.4, 2022-05-29
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