What's Changed

• Fix typos by @szepeviktor in https://github.com/tesseract-ocr/tesseract/pull/4497
• Fix missing closing tags in multi-page PAGE XML output by @stweil with @Copilot in https://github.com/tesseract-ocr/tesseract/pull/4506
• Fix Apple CMAKE_SYSTEM_PROCESSOR not set when crosscompiling by @ppavacic in https://github.com/tesseract-ocr/tesseract/pull/4503
• Remove outdated docker-compose.yml (Fixes #4492) by @Mohataseem89 in https://github.com/tesseract-ocr/tesseract/pull/4509
• docs: document memory ownership and lifecycle in C-API by @markbus-ai in https://github.com/tesseract-ocr/tesseract/pull/4511
• Add Portuguese language support and section descriptions (Windows installer) by @eduardomozart in https://github.com/tesseract-ocr/tesseract/pull/4516
• Update Slovak language string in tesseract.nsi by @eduardomozart in https://github.com/tesseract-ocr/tesseract/pull/4518
• fix(nsi): mask LANGID to 16-bit for reliable auto-detection by @eduardomozart in https://github.com/tesseract-ocr/tesseract/pull/4513
• Add GitHub Copilot instructions by @stweil with @Copilot in https://github.com/tesseract-ocr/tesseract/pull/4508
• Correct mutex call to prevent multiple instances by @eduardomozart in https://github.com/tesseract-ocr/tesseract/pull/4517
• Update versions of GitHub actions by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4522
• Bump microsoft/setup-msbuild from 2 to 3 by @dependabot[bot] in https://github.com/tesseract-ocr/tesseract/pull/4533
• Use asciidoctor instead of asciidoc-py for manpage generation by @amitdo with @Copilot in https://github.com/tesseract-ocr/tesseract/pull/4534
• Bump actions/upload-artifact from 4 to 7 by @dependabot[bot] in https://github.com/tesseract-ocr/tesseract/pull/4545
• autotools: Fix linker warning on macOS by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4559
• Fix compiler warning on macOS by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4558
• Cmake cleanup by @zdenop in https://github.com/tesseract-ocr/tesseract/pull/4562
• Remove SW_BUILD option from CMake and CI by @amitdo with @Copilot in https://github.com/tesseract-ocr/tesseract/pull/4566
• Modernize code by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4561
• Remove some files by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4569
• Modernize more code by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4568
• Fix compiler warnings (-Wold-style-cast) by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4571
• Fix some compiler warnings (-Wunused-parameter) by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4570
• ci: Improve installer for windows by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4572
• Fix several issues reported by Codacy (including real bugs) by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4573
• Bump actions/checkout from 6 to 7 by @dependabot[bot] in https://github.com/tesseract-ocr/tesseract/pull/4574
• Fix crash when LSTM is missing in disabled-legacy build (#4448) by @gaurav0107 in https://github.com/tesseract-ocr/tesseract/pull/4563
• ci: Remove unused ilammy/setup-nasm by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4575
• autotools: Simplify Makefile rules by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4579
• Fix memory-safety issues in .traineddata deserialization by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4581
• Handle send() failures in SVNetwork::Flush by @Ramya-9353 in https://github.com/tesseract-ocr/tesseract/pull/4576
• Small code improvements by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4585
• doc: Add comprehensive PARAMETERS section to the tesseract man page by @stweil with @Copilot in https://github.com/tesseract-ocr/tesseract/pull/4526
• Fix integer overflow in LSTM Convolve and Reconfig deserialization by @stweil in https://github.com/tesseract-ocr/tesseract/pull/4588

New Contributors

• @szepeviktor made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4497
• @ppavacic made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4503
• @Mohataseem89 made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4509
• @markbus-ai made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4511
• @eduardomozart made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4516
• @gaurav0107 made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4563
• @Ramya-9353 made their first contribution in https://github.com/tesseract-ocr/tesseract/pull/4576

Full Changelog: https://github.com/tesseract-ocr/tesseract/compare/5.5.2...5.5.3