Version 3.9.0, 2023-05-21

What's Changed

New Features (ENH)

• Simplify metadata input (Document Information Dictionary) (#1851) by @pubpub-zz
• Extend cmap compatibilty to GBK_EUC_H/V (#1812) by @pubpub-zz

Bug Fixes (BUG)

• Prevent infinite loop when no character follows after a comment (#1828) by @exiledkingcc
• get_contents does not return ContentStream (#1847) by @pubpub-zz
• Accept XYZ destination with zoom missing (default to zoom=0.0) (#1844) by @pubpub-zz
• Cope with 1 Bit images (#1815) by @pubpub-zz

Robustness (ROB)

• Handle missing /Type entry in Page tree (#1845) by @pubpub-zz

Documentation (DOC)

• Expand file size explanations (#1835) by @DIvkov575
• Add comparison with pdfplumber (#1837) by @RitchieP

Maintenance (MAINT)

• Add R parameter to generate_values (#1820) by @exiledkingcc
• Prepare for adding AES enryption support (#1818) by @exiledkingcc

Code Style (STY):

• Iterate directly over the list instead of using range (#1839) by @jsonn

Full Changelog

New Contributors

• @RitchieP made their first contribution in #1837
• @jsonn made their first contribution in #1839
• @DIvkov575 made their first contribution in #1835

Full Changelog: 3.8.1...3.9.0

Version 3.8.1, 2023-04-23

What's Changed

Bug Fixes (BUG)

• Convert color space before saving (#1802)

Documentation (DOC)

• PDF/A (#1807)
• Use append instead of add_page (#1806) by @neversphere
• Document core mechanics of pypdf (#1783)

New Contributors

• @neversphere made their first contribution in #1806

Full Changelog: 3.8.0...3.8.1

Version 3.8.0, 2023-04-16

What's Changed

New Features (ENH)

• Add transform method to Transformation class (#1765) by @rrthomas
• Cope with UC2 fonts in text_extraction (#1785) by @pubpub-zz

Robustness (ROB)

• Invalid startxref pointing 1 char before (#1784) by @pubpub-zz

Maintenance (MAINT)

• Mark code handling old parameters as deprecated (#1798)

Full Changelog

New Contributors

• @rrthomas made their first contribution in #1765

Full Changelog: 3.7.1...3.8.0

3.7.1

What's Changed

Security (SEC)

• Warn about PDF encryption security (#1755)

Robustness (ROB)

• Prevent loop in Cloning (#1770) by @pubpub-zz
• Capture UnicodeDecodeError at PdfReader.pdf_header (#1768) by @pubpub-zz

Documentation (DOC)

• Add .readthedocs.yaml and bump docs dependencies using tox -e deps (#1750, #1752) by @adehad

Developer Experience (DEV)

• Make make_changelog.py idempotent

Maintenance (MAINT)

• Move generation of file identifiers to a method (#1760)

Testing (TST)

• Add xmp test (#1775)

New Contributors

• @adehad made their first contribution in #1750

Full Changelog: 3.7.0...3.7.1

Version 3.7.0, 2023-03-26

What's Changed

Security (SEC)

• Use Python's secrets module instead of random module (#1748)

New Features (ENH)

• Add AnnotationBuilder.highlight text markup annotation (#1740)
• Add AnnotationBuilder.popup (#1665) by @pubpub-zz
• Add AnnotationBuilder.polyline annotation support (#1726)
• Add clone_from parameter in PdfWriter constructor (#1703) by @pubpub-zz

Bug Fixes (BUG)

• 'DictionaryObject' object has no attribute 'indirect_reference' (#1729) by @pubpub-zz

Robustness (ROB)

• Handle params NullObject in decode_stream_data (#1738) by @pubpub-zz

Documentation (DOC)

• Project scope (#1743)

Maintenance (MAINT)

• Add AnnotationFlag (#1746)
• Add LazyDict.str (#1727)

Full Changelog

Version 3.6.0, 2023-03-18

What's Changed

New Features (ENH)

• Extend PdfWriter.append() to PageObjects (#1704) by @pubpub-zz
• Support qualified names in update_page_form_field_values (#1695) by @xi

Robustness (ROB)

• Tolerate streams without length field (#1717) by @pubpub-zz
• Accept DictionaryObject in /D of NamedDestination (#1720) by @pubpub-zz
• Widths def in cmap calls IndirectObject (#1719) by @pubpub-zz

New Contributors

• @xi made their first contribution in #1695

Full Changelog: 3.5.2...3.6.0

3.5.2

What's Changed

Bug Fixes (BUG)

• compress_content_stream not readable in Adobe Acrobat (#1698) by @pubpub-zz
• Pass logging parameters correctly in set_need_appearances_writer (#1697) by @rolisz
• Write /Root/AcroForm in set_need_appearances_writer (#1639) by @cryzed

Robustness (ROB)

• Allow more whitespaces within linearized file (#1701) by @pubpub-zz

New Contributors

• @cryzed made their first contribution in #1639
• @rolisz made their first contribution in #1697

Full Changelog: 3.5.1...3.5.2

Version 3.5.1, 2023-03-05

What's Changed

Robustness (ROB)

• Some attributes not copied in DictionaryObject._clone (#1635) by @pubpub-zz
• Allow merging multiple time pages with annots (#1624) by @pubpub-zz

Testing (TST)

• Replace pytest.mark.external by enable_socket (#1657)

Documentation (DOC)

• Fix misuse of the word 'operand' in the docs (#1684) by @joshuagerstein

New Contributors

• @joshuagerstein made their first contribution in #1684

Full Changelog: 3.5.0...3.5.1

Version 3.5.0, 2023-02-26

What's Changed

New Features (ENH)

• Add reader.attachments public interface (#1611, #1661) by @pubpub-zz
• Add PdfWriter.remove_objects_from_page(page: PageObject, to_delete: ObjectDeletionFlag) (#1648) by @pubpub-zz
• Allow free-text annotation to have transparent border/background (#1664)

Bug Fixes (BUG)

• Allow decryption with empty password for AlgV5 (#1663) by @christopher5106
• Let PdfWriter.pages return PageObject after calling clone_document_from_reader() (#1613) by @pubpub-zz
• Invalid font pointed during merge_resources (#1641) by @pubpub-zz

Robustness (ROB)

• Cope with invalid objects in IndirectObject.clone (#1637) by @pubpub-zz
• Improve tolerance to invalid Names/Dests (#1658) by @pubpub-zz
• Decode encoded values in get_fields (#1636) by @pubpub-zz
• Let PdfWriter.merge cope with missing "/Fields" (#1628) by @pubpub-zz

Documentation (DOC)

• paramter -> parameter (#1634) by @engpetermwangi
• merge_transformed_page() (#1647) by @paternal

Tests (TST)

• Mark new external tests appropriately (#1632) by @dkg
• Add tests for page labels (#1642) by @pubpub-zz

New Contributors

• @engpetermwangi made their first contribution in #1634
• @paternal made their first contribution in #1647
• @christopher5106 made their first contribution in #1663

Full Changelog: 3.4.1...3.5.0

3.4.1

What's Changed

Bug Fixes (BUG)

• Switch from trimbox to cropbox when merging pages (#1622)
• Text extraction not working with one glyph to char sequence (#1620) by @pubpub-zz

Robustness (ROB)

• Fix 2 cases of "object has no attribute 'indirect_reference'" (#1616) by @pubpub-zz

Testing (TST)

• Add multiple retry on get_url for external PDF downloads (#1626) by @pubpub-zz

Documentation (DOC)

• Complete unfinished sentence (#1617) by @daankoning

New Contributors

• @daankoning made their first contribution in #1617

Full Changelog: 3.4.0...3.4.1