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)

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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)

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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)

Version 3.13.0, 2023-07-23

What's new

New Features (ENH)

• Add is_open in outlines in PdfReader and PdfWriter (#1960)

Bug Fixes (BUG)

• Search /DA in hierarchy fields (#2002)
• Cope with different ISO date length (#1999)
• Decode Black only/CMYK deviceN images (#1984)
• Process CMYK in deflate images (#1977)

Developer Experience (DEV)

• Add mypy to pre-commit (#2001)
• Release automation (#1991, #1985)

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Version 3.12.2, 2023-07-16

What's Changed

Bug Fixes (BUG)

• Accept calRGB and calGray color_spaces (#1968) by @pubpub-zz
• Process 2bits and 4bits images (#1967) by @pubpub-zz
• Check for AcroForm and ensure it is not None (#1965) by @nickryand

Developer Experience (DEV)

• Automate the release process (#1970)

New Contributors

• @nickryand made their first contribution in #1965

Full Changelog: 3.12.1...3.12.2

Version 3.12.1

What's Changed

• Prevent updating page contents after merging page (stamping/watermarking) (#1952) by @pubpub-zz
• % to be hex encoded in names (#1958) by @pubpub-zz
• Inverse color in CMYK images (#1947) by @pubpub-zz
• Dates conversion not working with Z00'00' (#1946) by @pubpub-zz
• Support UTF-16-LE Strings (#1884) by @adamchainz

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