- Added support for StarryCoding
- Added support for the codeforces.net mirror of Codeforces and fixed support for the codeforc.es mirror on problem pages
- Fixed the Lanqiao problem parser
- Fixed the Kattis parser for samples containing only output
- Changed the behavior of parsers that need to read PDFs (like the ones on UVa Online Judge) to parse as much of the problem as possible on Firefox, rather than crashing due to Firefox bug 1757836

- Added the X-Competitive-Companion header to HTTP requests sent by Competitive Companion to indicate to the receiving end that the request is coming from Competitive Companion (thanks @touhidurrr)

- Added support for CYEZOJ, 33OJ, Algotester, and SeriousOJ (thanks @langningchen for the CYEZOJ support)
- Fixed using the Hydro and DMOJ parsers on unsupported websites through the "Parse with" functionality and in custom rules
- Fixed the BAPS OJ problem parser and added a contest parser (thanks @touhidurrr)
- Fixed the yukicoder contest parser

- Added support for QBXTOJ and Universal Cup (thanks @touhidurrr for the QBXTOJ parser)
- Added support for LightOJ contests (thanks @touhidurrr)
- Fixed the Eolymp Basecamp parser (thanks @touhidurrr)

- Added support for oiClass, Le Quy Don Online Judge, VNOI Online Judge, and NBUT Online Judge
- Added support for the Challenge mode on Kattis
- Fixed the Timus Online Judge parser to work with the acm-judge.urfu.ru domain
- Fixed the Toph parser (thanks @touhidurrr)
- Fixed the AlgoZenith parser
- Fixed the Virtual Judge contest parser

- Added support for QQWhale
- Added support for the "Complete problemset" pages in Codeforces contests
- Improved performance of sending contest problems to external tools by sending them in parallel (thanks @rsalesc)
- Fixed the parsing of ACMP sample cases with mid-line whitespaces (thanks @touhidurrr)
- Fixed the Toph parser
- Fixed the input/output parsing on certain Codeforces problems

- Added support for Kilonova, PBInfo, InfoArena, and NerdArena (thanks @overanalytcl)
- Added support for parsing sample cases on UVA and UVALive problems on Virtual Judge (does not work on Firefox until Firefox bug #1757836 is resolved)
- Fixed the parsing of Virtual Judge sample cases on Chinese problems
- Fixed the parsing of Virtual Judge titles containing unwanted whitespace

- Fixed the parsing of TLX problems (thanks @adrieljss)
- Fixed the parsing of CodeChef problems

- Added support for Lanqiao (thanks @touhidurrr for the problem parser)
- Added support for Eolymp Basecamp (thanks @touhidurrr for the problem parser)
- Added support for the vjudge.net.cn Virtual Judge mirror (thanks @touhidurrr)
- Fixed the parsing of PTA problems (thanks @touhidurrr)
- Fixed the parsing of TLX problems (thanks @touhidurrr)

- Fixed the parsing of AlgoZenith problems on its maang.in website (thanks @rohitzerofour)
- Fixed the parsing of Baekjoon Online Judge problems in active contests
- Fixed the parsing of certain Mendo problems

- Removed the Baekjoon Online Judge contest parser because Baekjoon Online Judge has started to block requests to their problems made through the browser's Fetch API
- Fixed the parsing of USACO problems

- Fixed custom rules that target the UOJProblemParser or VirtualJudgeProblemParser

- Fixed the parsing of AlgoZenith problems on its maang.in website (thanks @GandharvJain)
- Fixed the parsing of beecrowd problems and contests
- Fixed the parsing of USACO Training problems

- Added support for Mendo (thanks @EntityPlantt)
- Fixed the parsing of sample cases on Firefox for online judges using DOMjudge
- Fixed the parsing of CodeChef problems

- Added support for DOMjudge (thanks @ItsNiklas)
- Migrated from Webpack to ESBuild, from CommonJS to ESM, and from Manifest V2 to V3. As a result of the last change, there are now separate distributions for Chrome and Firefox. The code of both is the same, but the extension manifest differs. If you're installing via the Chrome Web Store or Mozilla's AMO this will not affect you. If you install the extension manually you'll need to make sure you download the correct distribution, the Chrome version is not compatible with Firefox and vice-versa.

- Fixed the parsing of Kattis problems and contests
- Fixed the parsing of sample cases on CPython.uz containing multiple lines

- Added a contest parser for TLX (thanks @user202729)
- Fixed the parsing of Russian memory limits on Yandex (thanks @Igorjan94)

- Added support for BAPS OJ and ITCoder HUTECH (thanks @touhidurrr)
- Fixed the parsing of sample cases on ACMP where recent attempts would also be parsed as sample cases

- Added parsers for CPython.uz
- Updated all contest parsers to fetch contest problems in parallel rather than sequentially
- Fixed the parsing of sample cases on CSES
- Fixed the parsing of categories in TLX course problems

- Added support for Daimayuan Online Judge (thanks @Windyskr)
- Added support for the http version of HDOJ (thanks @Windyskr)
- Fixed the parsing of problem titles on Public Judge

- Fixed the parsing of Codeforces problems on "/problemset/gymProblem" URLs (thanks @touhidurrr)
- Fixed the parsing of CodeChef problems in the Learn section

- Added support for Dimik OJ and TheJobOverflow (thanks @touhidurrr)

- Added support for AlgoZenith and Sort Me
- Fixed the parsing of TLX course problems and problems with time limits in milliseconds (thanks @colazcy)
- Fixed the parsing of PTA problems