Version 3.16.2, 2023-09-24

What's new

Bug Fixes (BUG)

• PDF size increases because of too high float writing precision (#2213) by @pubpub-zz
• Fix test_watermarking_reportlab_rendering() (#2203) by @Lucas-C

Documentation (DOC)

• Fix typos and add a paragraph to ViewerPreferences docs (#2199) by @marcstober
• How to install pypi from any branch (#2209) by @pubpub-zz
• Update copyright footer in docs (#2207) by @marcstober

Developer Experience (DEV)

• Let dependabot update Github Actions by @MartinThoma

Maintenance (MAINT)

• Update .pre-commit-config.yaml by @MartinThoma

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Version 3.16.1, 2023-09-17

What's new

Bug Fixes (BUG)

• Missing new line in extract_text with cm operations (#2142) by @pubpub-zz
• _get_fonts not processing properly CIDFonts and annotations (#2194) by @pubpub-zz

Documentation (DOC)

• Sort list of contributors by @MartinThoma

Developer Experience (DEV)

• Give attribution in release notes (#2196) by @MartinThoma

Maintenance (MAINT)

• Update packages (#2195) by @MartinThoma
• Rename PdfWriter.create_viewer_preferences to PdfWriter.create_viewer_preferences (#2190) by @marcstober
• Mark cryptography as default (#2186) by @exiledkingcc

Testing (TST)

• Issue with merging pdfkit (#2191) by @MartinThoma

Code Style (STY)

• clean-up overriden variable (#2189) by @pubpub-zz

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Version 3.16.0, 2023-09-10

What's new

New Features (ENH)

• Ease access to ViewerPreferences (#2144)

Bug Fixes (BUG)

• Infinite recursion caused by IndirectObject clone (#2156)
• catch the case where w[0] is an IndirectObject instead of an int (#2154)
• Cope with indirect objects in filters and remove deprecated code (#2177)
• Cope with extra space (#2151)
• Merge pages without resources (#2150)
• getcontents() shall return None if contents is NullObject (#2161)
• Fix conversion from 1 to LA (#2175)
• Accept tabs in cmaps (#2174)

Robustness (ROB)

• Accept XYZ with no arguments (#2178)

Documentation (DOC)

• Mention pdfly on frontpage of docs (#2183)
• Cross-link pdfly (#2184)
• Typos in ViewerPreferences docstrings (#2169)

Code Style (STY)

• Apply ruff rule N806 for some file (#2149)
• Move functions within _xobj_to_image to a private module (#2182)

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Version 3.15.5, 2023-09-03

What's new

Bug Fixes (BUG)

• Cope with missing /I in articles (#2134)
• Fix image look-up table in EncodedStreamObject (#2128)
• remove_images not operating in sub level forms (#2133)

Robustness (ROB)

• Cope with damaged PDF (#2129)

Documentation (DOC)

• How to take ownership (#2123)

Developer Experience (DEV)

• Download PDFs before executing the tests to not run into timeouts (#2143)
• Add workflow_dispatch to CI (#2145)
• Automatically create release message / tag message (#2127)
• Ensure the REL commit message is consistently created (#2126)

Testing (TST)

• Add test for correct rendering of watermarks (#2130)

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Version 3.15.4, 2023-08-27

What's new

Performance Improvements (PI)

• Making pypdf as fast as pdfrw (#2086)

Maintenance (MAINT)

• Relax typing_extensions version (#2104)

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Version 3.15.3, 2023-08-26

What's new

Bug Fixes (BUG)

• Check version of crypt provider (#2115)
• TypeError: can't concat str to bytes (#2114)
• Require flit_core >= 3.9 (#2091)

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Version 3.15.2, 2023-08-20

What's new

Security (SEC)

• Avoid endless recursion of reading damaged PDF file (#2093)

Performance Improvements (PI)

• Re-use content stream (#2101)

Maintenance (MAINT)

• Make ParseError inherit from PyPdfError (#2097)

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Version 3.15.1, 2023-08-13

What's new

Performance Improvements (PI)

• optimize _decode_png_prediction (#2068)

Bug Fixes (BUG)

• Fix incorrect tm_matrix in call to visitor_text (#2060)
• Writing German characters into form fields (#2047)
• Prevent stall when accessing image in corrupted pdf (#2081)
• append() fails when articles do not have /T (#2080)

Robustness (ROB)

• Cope with xref not followed by separator (#2083)

Full Changelog

Version 3.15.0, 2023-08-06

Changes

New Features (ENH)

• Add level parameter to compress_content_streams (#2044)
• Process /uniHHHH for text_extract (#2043)

Bug Fixes (BUG)

• Fix AnnotationBuilder.link (#2066)
• JPX image without ColorSpace (#2062)
• Added check for field /Info when cloning reader document (#2055)
• Fix indexed/CMYK images (#2039)

Maintenance (MAINT)

• Cryptography as primary dependency (#2053)

Full Changelog

Version 3.14.0, 2023-07-29

What's new

New Features (ENH)

• Accelerate image list keys generation (#2014)
• Use cryptography for encryption/decryption as a fallback for PyCryptodome (#2000)
• Extract LaTeX characters (#2016)
• ASCIIHexDecode.decode now returns bytes instead of str (#1994) ⚠️ This could be a breaking change for people who directly use ASCIIHexDecode. If you don't import ASCIIHexDecode, you're safe. It was not marked explicitly as a breaking change as it should have returned bytes in the first place.

Bug Fixes (BUG)

• Add RunLengthDecode filter (#2012)
• Process /Separation ColorSpace (#2007)
• Handle single element ColorSpace list (#2026)
• Process lookup decoded as TextStringObjects (#2008)

Robustness (ROB)

• Cope with garbage collector during cloning (#1841)

Maintenance (MAINT)

• Cleanup of annotations (#1745)