v9.1.0

• #704 improve error logs of oj download when files already exist
• #706 kill zombie processes caused by --tle option in oj test
• #705 make oj submit use Python 3 by default
• #705 fix a bug of --guess-python-interpreter option
• #703 allow CRLF as line separators in oj test
• #702 display trailing spaces explicitly in oj test
• #700 fix a bug of --side-by-side option about line numbers

v9.0.0

• #692 (breaking changes) remove split-input subcommand
• #691 (breaking changes) remove support for Topcoder Marathon Match
• #686 fix a bug of --side-by-side option

v8.0.0

• #675 snip side-by-side diff display if result is long
• #676 download command support yukicoder token (@beet-aizu)
• #671 support latest library checker
• #665 test support side-by-side diff display

v7.8.0

• #665 add Sphere Online Judge support
• #661 allow submit to guess more languages (@eggplants)
• #660 prevent installation using unsupported versions of Python

v7.7.0

• #654 fix a bug of git pull option about Library Checker
• #653 add CodeChef support
• #649 allow submit to guess Common Lisp and Clojure files by the extension @fukamachi

v7.6.0

• #643 make efficient about Library Checker
• #645 recognize URLs of spare servers of Codeforces like m1.codeforces.com
• #636 provide internal functions about sessions as a library

v7.5.0

• #630 update the User-Agent for HackerRank
• #628 improve the samples parser for AtCoder
• #627 parse HTML in AOJ when no samples are registered in the official API
• #626 raise errors when no samples are found
• #613 fix the issue of test subcommand with non-Unicode outputs

v7.4.0

• @kawacchu (AtCoder: kawacchu) joined as a maintainer 🎉
• #584 add --judge-command option to test with special judge (@btk15049)
• #609 fix an issue about sizes of terminals on CI environments (reported by @yosupo06)
• #624 add an internal method LibraryCheckerProblem.download_checker_cpp()
• #616 #619 #620 fix some bugs on AtCoder

v7.3.0

• #591 add English translation of run-ci-on-your-library.rst
• #585 fix a bug of opening browser in OSX (@ganow)
• #582 replace Submission.get_problem with Submission.download_problem of API
• #581 fix a bug of download for problems of UTPC2011 by improving parse method for AtCoder (@kawacchu)
• #589 fix a bug of dispatch yukicoder URL
• #575 remove --overwrite option from download subcommand and now abort downloading if samples already exist

v7.2.2

• #561 fix a potential bug of yukicoder problems (@kawacchu)
• #560 fix a bug of CodeforceContest.list_problems
• #562 add the English translation of introduction document (@pieceofeden)
• #567 improve English of readme.md (@nishanth2143)