Pypdf

New Features (ENH)
- Add `layout_mode_font_height_weight` argument to `PageObject.extract_text()` (2920)

Bug Fixes (BUG)
- Fix font specificier for FreeText annotation (2893)
- Line breaks are not generated due to incorrect calculation of text leading (2890)
- Improve handling of spaces in text extraction (2882)

Robustness (ROB)
- Soft failure for flate encode image mode 1 with wrong LUT size (2900)

Documentation (DOC)
- Use latest package versions (2907)
- Correct example of reading FileAttachment annotation (2906)

Developer Experience (DEV)
- Update pinned requirements (2918)
- Make make_release.py compatible with Windows environment (2894)

Maintenance (MAINT)
- Remove references to outdated Python versions (2919)
- Generalize the method of obtaining space_code (2891)
- Unnecessary character mapping process (2888)
- New LZW decoding implementation (2887)

Testing (TST)
- Add LzwCodec for encoding (2883)

Code Style (STY)
- Capitalize error messages (2903)
- Modify error messages in PdfWriter (2902)

[Full Changelog](https://github.com/py-pdf/pypdf/compare/5.0.1...5.1.0)

New Features (ENH)
- Add `full` parameter to PdfWriter constructor (2865)

Bug Fixes (BUG)
- Update pyproject.toml with minimum Python version of 3.8 (2859)
- Cope with unbalanced delimiters in dictionary object (2878)
- Cope with encoding with too many differences (2873)
- Missing spaces in extract_text() method (1328) (2868)
- Tolerate truncated files and no warning when jumping startxref (2855)

Robustness (ROB)
- Repair PDF with invalid Root object (2880)
- Continue parsing dictionary object when error is detected (2872)
- Merge documents with invalid pages in named destinations (2857)
- Tolerate comments in arrays (2856)

Developer Experience (DEV)
- Use latest Python version for benchmarking (2879)

Maintenance (MAINT)
- Add tests to source distributions (2874)
- Refactor _update_field_annotation (2862)

[Full Changelog](https://github.com/py-pdf/pypdf/compare/5.0.0...5.0.1)

This version drops support for Python 3.7 (not maintained since July 2023), PdfMerger (use PdfWriter instead) and AnnotationBuilder (use annotations instead).


Deprecations (DEP)
- Remove the deprecated PfdMerger and AnnotationBuilder classes and other deprecations cleanup (2813)
- Drop Python 3.7 support (2793)

New Features (ENH)
- Add capability to remove /Info from PDF (2820)
- Add incremental capability to PdfWriter (2811)
- Add UniGB-UTF16 encodings (2819)
- Accept utf strings for metadata (2802)
- Report PdfReadError instead of RecursionError (2800)
- Compress PDF files merging identical objects (2795)

Bug Fixes (BUG)
- Fix sheared image (2801)

Robustness (ROB)
- Robustify .set_data() (2821)
- Raise PdfReadError when missing /Root in trailer (2808)
- Fix extract_text() issues on damaged PDFs (2760)
- Handle images with empty data when processing an image from bytes (2786)

Developer Experience (DEV)
- Fix coverage uploads (2832)
- Test against Python 3.13 (2776)


[Full Changelog](https://github.com/py-pdf/pypdf/compare/4.3.1...5.0.0)

Bug Fixes (BUG)
- Cope with Matrix entry in field annotations (2736)

Robustness (ROB)
- Cope with fields with upside down box/rectangle (2729)

Maintenance (MAINT)
- Add deprecate_with_replacement to StreamObject.initializeFromD… (2728)
- Deal with cryptography>=43 moving ARC4 (2765)

[Full Changelog](https://github.com/py-pdf/pypdf/compare/4.3.0...4.3.1)

New Features (ENH)
- Accept ETen-B5 and UniCNS-UTF16 encodings (2721)
- Add decode_as_image() to ContentStreams (2615)
- context manager for PdfReader (2666)
- Add capability to set font and size in fields (2636)
- Allow to pass input file without named argument (2576)

Bug Fixes (BUG)
- Fix deprecation for Ressources when using old constants (2705)
- Fix images issue 4 bits encoding and LUT starting with UTF16_BOM (2675)
- Reading large compressed images takes huge time to process (2644)
- Highlighted Text Cannot Be Printed (2604)
- Fix UnboundLocalError on malformed pdf (2619)

Robustness (ROB)
- Cope with missing Standard 14 fonts in fields (2677)
- Improve inline image extraction (2622)
- Cope with loops in Fields tree (2656)
- Discard /I in choice fields for compatibility with Acrobat (2614)
- Cope with some issues in pillow (2595)
- Cope with some image extraction issues (2591)

Documentation (DOC)
- Various improvements on docstrings and examples

Maintenance (MAINT)
- Deprecate interiour_color with replacement interior_color (2706)
- Add deprecate_with_replacement to PdfWriter.find_bookmark (2674)

Code Style (STY)
- Change Link to be a non-markup annotation (2714)

[Full Changelog](https://github.com/py-pdf/pypdf/compare/4.2.0...4.3.0)

New Features (ENH)
- Allow multiple charsets for NameObject.read_from_stream (2585)
- Add support for /Kids in page labels (2562)
- Allow to update fields on many pages (2571)
- Tolerate PDF with invalid xref pointed objects (2335)
- Add Enforce from PDF2.0 in viewer_preferences (2511)
- Add += and -= operators to ArrayObject (2510)

Bug Fixes (BUG)
- Fix merge_page sometimes generating unknown operator 'QQ' (2588)
- Fix fields update where annotations are kids of field (2570)
- Process CMYK images without a filter correctly (2557)
- Extract text in layout mode without finding resources (2555)
- Prevent recursive loop in some PDF files (2505)

Robustness (ROB)
- Tolerate "truncated" xref (2580)
- Replace error by warning for EOD in RunLengthDecode/ASCIIHexDecode (2334)
- Rebuild xref table if one entry is invalid (2528)
- Robustify stream extraction (2526)

Documentation (DOC)
- Update release process for latest changes (2564)
- Encryption/decryption: Clone document instead of copying all pages (2546)
- Minor improvements (2542)
- Update annotation list (2534)
- Update references and formatting (2529)
- Correct threads reference, plus minor changes (2521)
- Minor readability increases (2515)
- Simplify PaperSize examples (2504)
- Minor improvements (2501)

Developer Experience (DEV)
- Remove unused dependencies (2572)
- Remove page labels PR link from message (2561)
- Fix changelog generator regarding whitespace and handling of "Other" group (2492)
- Add REL to known PR prefixes (2554)
- Release using the REL commit instead of git tag (2500)
- Unify code between PdfReader and PdfWriter (2497)
- Bump softprops/action-gh-release from 1 to 2 (2514)

Maintenance (MAINT)
- Ressources → Resources (and internal name childs) (2550)
- Fix typos found by codespell (2549)
- Update Read the Docs configuration (2538)
- Add root_object, _info and _ID to PdfReader (2495)

Testing (TST)
- Allow loading truncated images if required (2586)
- Fix download issues from 2562 (2578)
- Improve test_get_contents_from_nullobject to show real use-case (2524)
- Add missing test annotations (2507)

[Full Changelog](https://github.com/py-pdf/pypdf/compare/4.1.0...4.2.0)