jekyll

Bug Fixes

• Backport #9392 for v3.9.x: Add support for Ruby 3.3 Logger (#9513)

Bug Fixes

• Backport #9392 for v4.3.x: Fix backward compatibility issues in the Logger (#9510)

Development Fixes

• Backport #9237 for v4.3.x: Use Hash explicitly for Struct initializer (#9285)

Bug Fixes

• 3.9.x: Support i18n 1.x (#9269)
• Backport #8880 for v3.9.x: Support both tzinfo v1 and v2 alongwith
  non-half hour offsets (#9280)

Development Fixes

• v3.9.x: test under Ruby 3.2 #9272)
• v3.9.x: fix rdiscount test (#9277)

Bug Fixes

• Backport #9257 for v4.3.x: Rename sass partial created for new blank site (#9262)
• Backport #9187 for v4.3.x: Optimize Site#each_site_file (#9256)
• Backport #9186 for v4.3.x: Remove totals in profile table properly (#9255)

Development Fixes

• Backport #9223 for 4.3.x: Update sass related tests for jekyll-sass-converter 3.x (#9254)

Bug Fixes

• Respect user-defined name attribute in documents (#9167)
• Revert "Incrementally rebuild when a data file is changed" (#9170)

Documentation

• Release post for v4.3.1 (#9171)

Minor Enhancements

• Add webrick as a dependency (#8524)
• Regenerate supported mime types (#8542)
• Update include tag to be more permissive (#8618)
• Optimize Jekyll::Utils.parse_date (#8425)
• Update rubocop from 1.12 to 1.18 and min ruby from 2.4 to 2.5 (#8741)
• Always hide cache-dir contents from Git (#8798)
• Remove the warning about auto-regeneration on Windows (#8821)
• Propagate _data folder from theme (#8815)
• Support both tzinfo v1 and v2 alongwith non-half hour offsets. (#8880)
• Run vendor-mimes to update mime.types (#8940)
• Expose collection static files via site.static_files (#8961)
• Expose basename from document.rb as name to Liquid templates (#8761)
• Allow Configurable Converters on CSV (#8858)
• Introduce theme drop to expose theme-gem details (#9129)
• Relax version constraint to allow Rouge 4.x (#9134)
• Incrementally rebuild when a data file is changed (#8771)
• Support jekyll-sass-converter 3.x (#9132)

Bug Fixes

• fix: pin rubocop to 1.12 due to error with ruby 2.4 (#8651)
• Load Jekyll plugins from BUNDLE_GEMFILE location (#8585)
• fix(security): CVE-2021-28834 (#8680)
• Inject livereload script using location.protocol instead of http: (#8718)
• Respect collections_dir config within include tag (#8756)
• Fix regression in Convertible module from v4.2.0 (#8786)
• Revert #7253: "Don't reset site.url to localhost:4000 by default" (#8620)
• Improve readability of CI logs (#8877)
• Fix deprecation message for missing doc method (#8960)
• Fix response header for content served via jekyll serve (#8965)
• Trigger livereload in sites without pages (#8337)
• Only enable BOM encoding option on UTF encodings (#8363)
• Ensure theme config is a Jekyll::Configuration object (#8988)
• Remove misleading totals row from --profile table (#9039)
• Unlock Psych dependency (#9135)
• Fix false positive conflicts for static files in a collection (#9141)

Development Fixes

• style: enable new cops (#8538)
• Allow dependabot to keep github actions up-to-date (#8540)
• Update actions/cache requirement to v2.1.3 (#8543)
• Pin rubocop version (#8564)
• style: add rubocop 1.9 cops (#8567)
• Cross Version Testing Locally and Faster CI (#8610)
• Use official Ruby setup GH action (#8614)
• Spell check action for markdown documentation (#8675)
• Update expect to cover docs/_posts (#8677)
• Bump check-spelling/check-spelling from 0.0.18 to 0.0.19 (#8740)
• Enable Rubocop accessor grouping, fix existing offenses (#8293)
• Tags:Highlight: Decomposed HTMLLegacy formatter (#8623)
• Relax Rubocop Dependency (#8831)
• Add a workflow to build gems consistently (#8830)
• Fix random test failures in TestExcerpt #to_liquid (#8884)
• Lock gem psych to v3.x (#8918)
• Fix typo in Bug Report template (#8951)
• Check symlink outside site_source without Pathutil (#9015)
• Stop testing with Rubies older than 2.7 on non-Windows (#8955)
• Bump actions/checkout from 2 to 3 (#8986)
• Remove git.io shortlinks from repo (#9045)
• Bump rubocop to 1.32 (#9093)
• Bump RuboCop to 1.36.x (#9125)
• Use check-spelling/[email protected] (#9111)
• Disable pending cops when running rubocop (#9136)
• Relax RDoc version dependency (#9142)

Documentation

• typo - do instead of don't (#8518)
• Document support for TSV files consistently (#8488)
• Add a disclaimer to tutorials involving Ruby code (#8525)
• Improve documentation on developing generators (#8527)
• Fixes typo in layouts_dir documentation (#8532)
• Fix i.e. typos in collections.md (#8529)
• Remove GitHub Pages content which is in GitHub docs (#8533)
• Step By Step Instructions Review (#8399)
• Fix typo in migrating from 3.0 to 4.0 page (#8572)
• Fix for important missing step in macOS Installation Docs: Add the Homebrew gems directory to the PATH (#8496)
• Use latest Jekyll-action configuration (#8579)
• docs: troubleshoot macOS with ARM64 architecture (#8560)
• docs: add overview of .jekyll-cache dir (#8648)
• docs: clarify where .jekyll-metadata comes from (#8646)
• Razorops cicd added (#8656)
• Specify default port and host for serve commands in docs (#8624)
• Update third-party.md (#8652)
• Add documentation for Sass configuration options (#8587)
• Add formcarry to forms section (#8471)
• Add step to set SDKROOT (#8478)
• Improve the "Markdown Options" Docs (#8681)
• Add 'webrick' warning note to "Quickstart" Docs (#8727)
• Update windows.md (#8701)
• IRC networks - Libera, Freenode (#8706)
• Improve GitHub Flavored Markdown Docs (#8684)
• Fixing URL in MacOS install for rbenv-doctor (#8693)
• Fix adjective in troubleshooting.md document (#8777)
• Goodbye Frank. We'll miss you. 💔 (#8807)
• Update index.html: Grammar fix. (#8803)
• Prefer Libera. Remove Freenode. (#8811)
• Update feature_request.md (#8797)
• Remove AWS Amplify from the showcase (#8812)
• Move Frank to Emeritus Core Team Members (#8813)
• Release post for v4.2.1 (#8818)
• Update CircleCI example (#8829)
• Fix typo (#8835)
• Added docs for running locally (#8852)
• Linting README.markdown (#8900)
• Remove text on GITHUB_TOKEN which is now built-in (#8907)
• Add Security Policy document (#8823)
• Manage repository meta documents consistently (#8908)
• docs: add Layer0 deployment guide (#8915)
• docs: Update REAMDE generated by jekyll new-theme (#8919)
• Update resources.md (#8925)
• Rewrite documentation on installing plugins (#8921)
• Improve maintainers guide on releasing a new version (#8928)
• Fix link for "CloudSh" (#8934)
• Recommend using actions/cache in GitHub Actions documentation (#8948)
• Remove references to EOL hakiri.io service (#8946)
• Release post for v4.2.2 (#8982)
• Document releasing off *-stable branches (#8984)
• Update document by fix yaml syntax error (#8991)
• Enhance option's case for Jekyll configuration (#8992)
• Fix typo in _docs/deployment/manual.md (#8997)
• Add quiet/verbose options (#8996)
• Update README.markdown re IRC Pointer (#9005)
• Remove Aerobatic (#9007)
• Add Jekyll 3.9.2 release post to 'master' branch (#9013)
• Simplify macOS installation docs (#8993)
• Improve document about Github Actions section (#8853)
• Update permalinks.md (#9017)
• Add clarity to docs on permalinks placeholders and builtins (#8995)
• Remove Ionic Framework site from showcase (#9057)
• Windows: describe which option to choose (#9049)
• Improve links (http -> https) (#9064)
• Update ruby version for macos guide (#9086)
• Update posts.md (#9151)
• Release post for v4.3.0 (#9157)

Site Enhancements

• Improvements to CSS (#7834)
• Slightly update lang sh code-block styling (#8857)

Bug Fixes

• Lock http_parser.rb gem to v0.6.x on JRuby (#8943)
• Backport #8756 for v3.9.x: Respect collections_dir config within include tag (#8795)
• Backport #8965 for v3.9.x: Fix response header for content served via jekyll serve (#8976)

Development Fixes

• Update and fix CI for 3.9-stable on Ruby 3.x (#8942)
• Fix CI for commits to 3.9-stable branch (#8788)

Bug Fixes

• Lock http_parser.rb gem to v0.6.x on JRuby.

Development Fixes

• Backport #8830 for v4.2.x: Add a workflow to build gems consistently (#8869)
• Lock rubocop-performance to v1.11.x.

Bug Fixes

• Backport #8620 for v4.2.x: Revert #7253: "Don't reset site.url to localhost:4000 by default" (#8808)
• Backport #8756 for v4.2.x: Respect collections_dir config within include tag (#8794)
• Backport #8786 for v4.2.x: Fix regression in Convertible module from v4.2.0 (#8793)

Bug Fixes

• Backport #8618 for v3.9.x: Update include tag to be more permissive (#8629)

Minor Enhancements

• Warn on command-line with permalink conflict (#8342)
• Supress warning issued for redirect pages (#8347)
• Enhance detection of conflicting destination URLs (#8459)
• Add :post_convert hook to modify HTML content before layout (#8368)
• Allow triggering :post_convert events atomically (#8465)
• Debug reading Page and Layout objects (#8100)
• Do not reset site.url to http://localhost:4000 by default (#7253)
• Add custom debug strings for Jekyll objects (#8473)
• Debug reading data files in a site (#8481)

Bug Fixes

• Replace nested conditional with guard clauses (#8294)
• Fix: security bump (#8349)
• Fix path matching regex in post_url Liquid tag (#8375)
• Enable Performance/ChainArrayAllocation cop (#8404)
• Enable Lint/NoReturnInBeginEndBlocks Cop (#8457)
• Generate items from site.include list only once (#8463)
• Explicitly return nil after site process phase (#8472)

Optimization Fixes

• Implement custom delegators for drop methods (#8183)
• Handle nil argument to Jekyll.sanitized_path (#8415)
• Cache Jekyll.sanitized_path (#8424)
• Memoize array of drop getter method names (#8421)
• Reduce string allocations from the link tag (#8387)
• Optimize parsing of parameters in include tag (#8192)
• Stash documents write? attribute in a variable (#8389)
• Reduce string allocations from generating doc URLs (#8392)
• Check if site is in incremental mode optimally (#8401)
• Utilize flexibility of Site#in_dest_dir (#8403)
• Reduce allocations from rendering item as liquid (#8406)
• Compute relative_path of pages using PathManager (#8408)
• Reduce allocation from normalize_whitespace filter (#8400)
• Use Regexp#match? when MatchData is not required (#8427)
• Check default front matter scope against symbols (#8393)
• Stash frequently used Drop setter keys for reuse (#8394)
• Memoize defaults computed for Convertibles (#8451)
• Reduce array allocations from merging categories (#8453)
• Memoize destination of pages, documents and staticfiles (#8458)
• Reduce allocations from computing item property (#8485)
• Optimize Page#dir with a private method (#8489)
• Stash attribute hash for Liquid computed for pages (#8497)

Development Fixes

• Update cucumber gem to version 4.1 (#8278)
• Move permalink styles data to constant (#8282)
• Update rubocop gem to 0.87.1 (#8287)
• Update RuboCop to-do file (#8296)
• Fix rake console generating LoadError (#8312)
• Configure Performance cops (#8369)
• Update rubocop gem to 0.90.0 (#8313)
• Refactor Jekyll::Utils::Platforms (#7236)
• Bump RuboCop to v0.91.x (#8391)
• Add workflow to build and profile third-party repo (#8398)
• Bump RuboCop to v0.92.x
• Update cucumber gem version to 5.1.2 (#8413)
• Fix test suite compatibility with JRuby (#8418)
• chore(deps): bump Rubocop to 0.93.0 (#8430)
• Use Ruby 2.7.1 in GitHub Actions (#8444)
• Test that Liquid expressions are not deeply evaled (#8292)
• Test rendering arbitrary Liquid variables by default (#7414)
• Migrate TravisCI jobs to GitHub Actions (#8492)

Documentation

• Update pointer to special permalink variables for collections (#8274)
• Fix special treatment for 'page 1' in docs of pagination (#8230)
• Add Formcake to forms section (#8283)
• Add a note on the rendering process in the docs (#8291)
• Add refactoring type to PULL_REQUEST_TEMPLATE (#8297)
• Update resources.md (#7864)
• Extra apostrophes in an URL (#8319)
• Clarify target of subordinate clause (#8320)
• Cherry-pick commits from conflicting branch docs-40
• Update documentation on third party site (#8352)
• Update default.md with info requested in #8314 (#8353)
• Clarify description of safe option (#8354)
• Simplifying the Git post-receive hook-example (#8358)
• Add missing doc for build and serve commands (#8365)
• Docs Review: Getting Started (#8372)
• Add note about rebooting system after installation (#8359)
• Use data file to render table at /docs/configuration/options/#global-configuration (#8377)
• Use data file(s) to render table(s) at /docs/configuration/options/ (#8380)
• Improve maintainability of config option data (#8383)
• Remove CircleCI v1 docs (#8410)
• Remove NOKOGIRI_USE_SYSTEM_LIBRARIES from Travis CI docs (#8409)
• Add links to all Jekyll themes on GitHub tagged with #jekyll-theme (#8447)
• Document initializing project Gemfile from scratch (#8450)
• Document installation of additional dependencies for installing Jekyll on Fedora (#8456)
• Improve documentation on Hooks in Jekyll (#8467)
• Build docs site with GitHub Actions (#8201)
• Add link to Assets page from _sass section in _docs/structure.md (#8486)

Site Enhancements

• Fix rendering of showcase images (#8504)

Minor Enhancements

• Allow use of kramdown v2 (#8322)
• Add default language for kramdown syntax highlighting (#8325)

• Fix grammar in documentation section (#8265)

Development Fixes

• Bump RuboCop to v0.85.x (#8223)
• Expect drive letter only on vanilla windows (#8227)

Bug Fixes

• Disable page excerpts by default (#8222)
• Revert introduction of PageDrop (#8221)
• Don't generate excerpts for non-html pages (#8234)
• Make page excerpts consistent with doc excerpts (#8236)

Documentation

• Replace deprecated 'show' command with 'info' (#8235)
• Change name to ▲Vercel (#8247)
• Add language and examples to describe how to use the configuration op… (#8249)
• Fix missing yaml front matter colon and adjust/add clarifying language. (#8250)
• correct typo (#8261)
• Allow hyperlinks to specific filter documentation (#8231)
• Update link to Netlify step-by-step guide (#8264)

Site Enhancements

• Including correct Sketch website (#8241)
• Release post for v4.1.1 (#8243)

Minor Enhancements

• serve: add support for ECC certificates (#7768)
• Update item_property to recognize integers (#7878)
• Include _config.yml in a new theme's gemspec (#7865)
• Add an option to easily disable disk-cache (#7928)
• Optimize markdown parsing with Kramdown by reusing the options and parser objects (#8013)
• Add PageDrop to provide Liquid templates with data (#7992)
• Optimize Kramdown::JekyllDocument#to_html calls (#8041)
• Reduce Jekyll::Renderer instances during a build (#7570)
• Configure default language for syntax-highlighting (#8035)
• Remove dev dependencies from new theme-gem gemspec (#8042)
• Allow disabling import of theme configuration (#8131)
• Allow excerpts to be generated for Page objects (#7642)
• Profile various stages of a site's build process (#6760)
• Add find filters to optimize where-first chains (#8171)
• Make number_of_words respect CJK characters (#7813)
• Initialize static files' data hash only if needed (#8188)

Bug Fixes

• Memoize absolute_url and relative_url filters (#7793)
• Fix documentation comment for Jekyll::Converters::Identity (#7883)
• Optimize Jekyll::Filters#item_property (#7696)
• Allow multiple binary operators in where_exp filter (#8047)
• Fix documents custom-ordering logic (#8028)
• Use layout.path when rendering the Liquid layout (#8069)
• Reduce array allocations from StaticFile#path (#8083)
• Simplify Jekyll::Renderer#validate_layout (#8064)
• Add static file's basename to its url_placeholder (#7908)
• Clear cached Liquid template scope before render (#7967)
• Add slugified_categories URL placeholder (#8094)
• Cache URLFilter results of string inputs per site (#7990)
• Use platforms instead of install_if (#8140)
• Config include trailing slash (#8113)
• Allow extensionless document in a strict site (#7950)
• Improve path normalization in liquid_renderer (#8075)
• Switch slugify regex to support more Unicode character groups (#8167)
• Check if entry is a directory once per enumerator (#8177)
• Filter out exclusively excluded entries sooner (#7482)

Bug Fixes

• Prevent console warnings with Ruby 2.7 (#8124)
• Clear cached Liquid template scope before render (#8141)
• Add static file's basename to its url_placeholder (#8142)
• Update item_property to recognize integers (#8160)

Development Fixes

• Fix Kramdown converter based tests for v4.0.x (#8143)

Fixes

• Prevent console warnings with Ruby 2.7 (#7948)

Major Enhancements

• Drop ruby 2.3 (#7454)
• Drop support for Ruby 2.1 and 2.2 (#6560)
• Drop support for older versions of Rouge (#6978)
• Drop support for pygments as syntax-highlighter (#7118)
• Drop support for Redcarpet (#6987)
• Drop support for rdiscount (#6988)
• Drop support for jekyll-watch-1.4.0 and older (#7287)
• Incorporate relative_url filter in link tag (#6727)
• Upgrade kramdown dependency to v2.x (#7492)
• Upgrade jekyll-sass-converter to v2.x - Sassc + sourcemaps (#7778)
• Upgrade i18n to v1.x (#6931)
• Add Jekyll::Cache class to handle caching on disk (#7169)
• Cache converted markdown (#7159)
• Cache: Do not dump undumpable objects (#7190)
• Cache matched defaults sets for given parameters (#6888)
• Ignore cache directory (#7184)
• Add Site#in_cache_dir helper method (#7160)
• Remove 'cache_dir' during jekyll clean (#7158)
• Cache parsed Liquid templates in memory (#7136)
• Only read layouts from source_dir or theme_dir (#6788)
• Allow custom sorting of collection documents (#7427)
• Always exclude certain paths from being processed (#7188)
• Remove Jekyll::Utils#strip_heredoc in favor of a Ruby > 2.3 built in (#7584)
• Incorporate relative_url within post_url tag (#7589)
• Remove patch to modify config for kramdown (#7699)

Minor Enhancements

• Enhance --blank scaffolding (#7310)
• Use jekyll-compose if installed (#6932)
• Disable Liquid via front matter (#6824)
• Configure cache_dir (#7232)
• ISO week date drops (#5981)
• Fix custom 404 page for GitHub pages (#7132)
• Load config file from within current theme-gem (#7304)
• Suggest re-running command with --trace on fail (#6551)
• Support for binary operators in where_exp filter (#6998)
• Automatically load _config.toml (#7299)
• Add vendor folder to a newly installed site's .gitignore (#6968)
• Output Jekyll Version while debugging (#7173)
• Memoize computing excerpt's relative_path (#6951)
• Skip processing posts that can not be read (#7302)
• Memoize the return value of Site#documents (#7273)
• Cache globbed paths in front matter defaults (#7345)
• Cache computed item property (#7301)
• Cleanup Markdown converter (#7519)
• Do not process Liquid in post excerpt when disabled in front matter (#7146)
• Liquefied link tag (#6269)
• Update item_property to return numbers as numbers instead of strings (#6608)
• Use .markdown extension for page templates (#7126)
• Add support for *.xhtml files (#6854)
• Allow i18n v0.9.5 and higher (#7044)
• Ignore permission error of /proc/version (#7267)
• Strip extra slashes via Jekyll.sanitized_path (#7182)
• Site template: remove default config for markdown (#7285)
• Add a custom inspect string for StaticFile objects (#7422)
• Remind user to include gem in the Gemfile on error (#7476)
• Search Front matter defaults for Page objects with relative_path (#7261)
• Lock use of tzinfo gem to v1.x (#7521, #7562)
• Utilize absolute paths of user-provided file paths (#7450)
• Detect nil and empty values in objects with where filter (#7580)
• Initialize mutations for Drops only if necessary (#7657)
• Reduce Array allocations via Jekyll::Cleaner (#7659)
• Encode and unencode urls only as required (#7654)
• Reduce string allocations with better alternatives (#7643)
• Reduce allocations from Jekyll::Document instances (#7625)
• Add type attribute to Document instances (#7406)
• Reduce allocations from where-filter (#7653)
• Memoize SiteDrop#documents to reduce allocations (#7697)
• Add PathManager class to cache interim paths (#7732)
• Remove warnings and fixes for deprecated config (#7440)
• Delegate --profile tabulation to terminal-table (#7627)

Bug Fixes

• Security: fix include bypass of EntryFilter#filter symlink check (#7226)
• Theme gems: ensure directories aren't symlinks (#7419)
• Add call to unused method validate_options in commands/serve.rb (#7122)
• Check if scope applies to type before given path (#7263)
• Document two methods, simplify one of the methods (#7270)
• Check key in collections only if it isn't "posts" (#7277)
• Interpolate Jekyll::Page subclass on inspection (#7203)
• Measure the no. of times a template gets rendered (#7316)
• Reduce array traversal in Jekyll::Reader (#7157)
• Re-implement handling Liquid blocks in excerpts (#7250)
• Documents should be able to render their date (#7404)
• Fix Interpreter warning from Jekyll::Renderer (#7448)
• Loggers should accept both numbers and symbols (#6967)
• Replace regex arg to :gsub with a string arg (#7189)
• Dont write static files from unrendered collection (#7410)
• Excerpt handling of custom and intermediate tags (#7382)
• Change future post loglevel to warn to help user narrow down issues (#7527)
• Handle files with trailing dots in their basename (#7315)
• Fix unnecessary allocations via StaticFileReader (#7572)
• Don't check if site URL is absolute if it is nil (#7498)
• Avoid unnecessary duplication of pages array (#7272)
• Memoize Site#post_attr_hash (#7276)
• Memoize Document#excerpt_separator (#7569)
• Optimize Document::DATE_FILENAME_MATCHER to match valid filenames (#7292)
• Escape valid special chars in a site's path name (#7568)
• Replace name in Page#inspect with relative_path (#7434)
• Log a warning when the slug is empty (#7357)
• Push Markdown link refs to excerpt only as required (#7577)
• Fix broken include_relative usage in excerpt (#7633)
• Initialize and reset glob_cache only as necessary (#7658)
• Revert memoizing Site#docs_to_write and #documents (#7684)
• Backport #7684 for v3.8.x: Revert memoizing Site#docs_to_write and refactor #documents (#7689)
• Backport #7213 and #7633 for v3.8.x: Fix broken include_relative usage in excerpt (#7690)
• Don't read symlinks in site.include in safe mode (#7711)
• Replace String#=~ with String#match? (#7723)
• Update log output for an invalid theme directory (#7679)
• Remove configuration of theme sass files from Core (#7290)
• Actually conditionally include liquid-c (#7792)
• Test number_like regex on stringified property (#7788)

Development Fixes

• Upgrade liquid-c to v4.0 (#7375)
• Bump RuboCop to v0.71.0 (#7687)
• Target Ruby 2.4 syntax (#7583)
• Fix: RuboCop offenses (#7769)
• Use communicative method parameters (#7566)
• Scan assert_equal methods and rectify any offenses with a custom RuboCop cop (#7130)
• CI: Test with Ruby 2.6 (#7438)
• CI: Test with Ruby 2.6 on AppVeyor (#7518)
• CI: Update RuboCop config (#7050)
• CI: Add a script to profile docs (#7540)
• CI(Appveyor): shallow clone with 5 last commits (#7312)
• CI: Test with oldest and latest Ruby only (#7412)
• CI: Update excludes for CodeClimate Analyses (#7365)
• CI: Lock Travis to Bundler-1.16.2 (#7144)
• CI: Bump tested version of JRuby to 9.2.7.0 (#7612)
• CI: Do not install docs on updating gems on Travis (#7706)
• Update gemspec (#7425)
• deps: relax version constraint on classifier-reborn gem (#7471)
• deps: update yajl-ruby (#7278)
• deps: bump yajl-ruby to v1.4.0 (#6976)
• Create symlink only if target is accessible (#7429)
• Switch to :install_if for wdm gem (#7372)
• Add cucumber feature to test include_relative tag (#7213)
• Small benchmark refactoring (#7211)
• Fix incorrectly passed arguments to assert_equal (#7134)
• fix up refute_equal call (#7133)
• Fix RuboCop offences in test files (#7128)
• Use assert_include (#7093)
• Remember to release docs gem (#7066)
• Useless privates removed (#6768)
• Load Rouge for TestKramdown (#7007)
• Update instructions for releasing docs Gem (#6975)
• We are not using Ruby 2.2 anymore (#6977)
• Remove unnecessary Jekyll::Page constant (#6770)
• Remove unused error class (#6511)
• Add a Cucumber feature for post_url tag (#7586)
• Generate a "TOTAL" row for build-profile table (#7614)
• Refactor Jekyll::Cache (#7532)
• Store list of expected extnames in a constant (#7638)
• Profile allocations from a build session (#7646)
• Update small typo in contributing.md (#7671)
• Remove override to Jekyll::Document#respond_to? (#7695)
• Update TestTags in sync with Rouge v3.4 (#7709)
• Use regexp to filter special entries (#7702)
• Reduce Array objects generated from utility method (#7749)
• Update mime.types (#7756)
• Replace redundant Array#map with Array#each (#7761)
• Reduce allocations by using #each_with_object (#7758)
• Memoize fallback_data for Drop (#7728)
• Use String#end_with? to check if entry is a backup (#7701)

Documentation

• Refactor docs (#7205)
• Add a link to Giraffe Academy's tutorial (#7325)
• Do not advise users to install Jekyll outside of Bundler (#6927)
• Remove documentation for using Redcarpet (#6990)
• Install Docs that Work on MacOS 10.14 (#7561)
• Add Installation Instructions for Ubuntu (#6925)
• Don't prompt for sudo when installing with Ubuntu WSL (#6781)
• Installation instructions for Fedora (#7198)
• Update Windows install docs (#6926)
• List all standard liquid filters (#7333)
• List all static files variables (#7002)
• Improve how to include Rouge stylesheets (#7752)
• Mention CommonMark plugins (#7418)
• Add TSV to list of supported _data files. (#7168)
• How to deploy using pre-push git hook (#7179)
• Hosting with AWS Amplify (#7510)
• CircleCI deployment through CircleCI v2 (#7024)
• GitHub Pages: use themes from other repos (#7112)
• Document page.dir and page.name (#7373)
• Document custom tag blocks (#7359)
• Document converter methods (#7289)
• Document {{ page.collection }} (#7430)
• Document Jekyll Filters with YAML data (#7335)
• Document where Jekyll looks for layouts in a site (#7564)
• plugin: liquid tag jekyll-flickr (#6946)
• plugin: jekyll-target-blank (#7046)
• plugin: json-get. (#7086)
• plugin: jekyll-info (#7091)
• plugin: jekyll-xml-source (#7114)
• plugin: jekyll-firstimage filter (#7127)
• plugin: CAT (#7011)
• Resources: Statictastic (#7593)
• Resources: Bonsai Search (#7543)
• Resources: Formspark (#7601)
• Resources: Jekpack(#7598)
• Resources: formX (#7536)
• Resources: 99inbound's Jekyll post (#7348)
• Resources: CloudSh (#7497)
• Community: DEV Community's Jekyll tag (#7139)
• Showcase: developer.spotify.com (#7217)
• Showcase: Isomer (#7300)
• Add version number for group_by_exp doc (#6956)
• Updated nginx configuration for custom-404-page documentation (#6994)
• Clarify definition of 'draft' (#7037)
• _drafts need to be contained within the custom collection directory (#6985)
• Updated to supported version (#7031)
• Add Hints for some Improved Travis Config in Doc (#7049)
• Update travis-ci.md to point out "this is an example Gemfile" (#7089)
• Instructions to view theme’s files under Linux (#7095)
• Use a real theme in the example (#7125)
• Update docs about post creation (#7138)
• Initialize upgrading doc for v4.0 (#7140)
• Add version badge for date filters with ordinal (#7162)
• Corrected sample usage of postfiles (#7181)
• Resolve "Unable to locate package ruby2.4" error (#7196)
• Correct stylesheet url in tutorial step 7 (#7210)
• Removes quotes from markdown for assets (#7223)
• Clarified front matter requirement (#7234)
• Explicit location of where to create blog.html (#7241)
• Reference the build command options that allows multiple config files (#7266)
• Add more issue template(s) and pull request template (#7269)
• Suggest sites use OpenSSL instead of GnuTLS for their site's CI (#7010)
• Fix broken Contributors link in README.markdown (#7200)
• Add title tag to item in RSS template (#7282)
• Add link tag to item in RSS template (#7291)
• Remove redundant instruction comment (#7342)
• Textile is only supported through a converter plugin (#7003)
• Add recursive navigation tutorial (#7720)
• Remove installation instructions with Homebrew (#7381)
• Fix dead link and misleading prose (#7383)
• Fix content management section (#7385)
• Apply ruby official guide documents (#7393)
• Fix group_by_exp filter example (#7394)
• Remove alt attribute from a tags (#7407)
• Fix BASH code-block in ubuntu.md (#7420)
• zlib is missing (#7428)
• Fixed unnecessary aticles and pronouns (#7466)
• Store SSL key and cert in site source (#7473)
• Fix typo in tutorial for converting existing site (#7524)
• Check if var exists before include tag (#7530)
• Clarify docs on collections regarding the need for front matter (#7538)
• Fix incorrect Windows path in themes.md (#7525)
• Addresses bundle not found. (#7351)
• Update the contribution docs for draft pull requests (#7619)
• Data file section adds TSV (#7640)
• Indicate where the _sass folder is by default (#7644)
• Docs: add version tags to new placeholders (#5981) for permalinks (#7647)
• Solve "GitHub Page build failure" in 10-deployment.md (#7648)
• fix link to Site Source config (#7708)
• Introduce frontmatter in step 2 (#7704)
• Add @ashmaroli to Core Team listing (#7398)
• Lnk to Tidelift in site's footer (#7377)
• Link to OpenCollective backing (#7378
• Link to sponsor listing in README (#7405)
• Adjust team page listings (#7395)
• Updates to CODE OF CONDUCT (v1.4.0) (#7105)
• More inclusive writing (#7283)
• Update Ruby version used in Travis-CI example (#7783)
• Documentation for binary operators in where_exp (#7786)
• Adding SmartForms as Forms service (#7794)

Site Enhancements

• Better Performance (#7388)
• Add some minor improvements to image loading in Showcase page (#7214)
• Simplify assigning classname to docs' aside-links (#7609)
• Simplify couple of includes in the docs site (#7607)
• Avoid generating empty classnames (#7610)
• Minimize rendering count (#7343)

Release

• Release post for v4.0.0 beta1 (#7716)
• Release post for v4.0.0.pre.alpha1 (#7574)
• Release post for v3.8.0 (#6849)
• Release post for v3.6.3, v3.7.4 and v3.8.4 (#7259)
• Post: v4.0 development (#6934)

Major Enhancements

• Drop ruby 2.3 (#7454)
• Drop support for Ruby 2.1 and 2.2 (#6560)
• Drop support for older versions of Rouge (#6978)
• Drop support for pygments as syntax-highlighter (#7118)
• Drop support for Redcarpet (#6987)
• Drop support for rdiscount (#6988)
• Drop support for jekyll-watch-1.4.0 and older (#7287)
• Incorporate relative_url filter in link tag (#6727)
• Upgrade kramdown dependency to v2.x (#7492)
• Upgrade i18n to v1.x (#6931)
• Add Jekyll::Cache class to handle caching on disk (#7169)
• Cache converted markdown (#7159)
• Cache: Do not dump undumpable objects (#7190)
• Cache matched defaults sets for given parameters (#6888)
• Ignore cache directory (#7184)
• Add Site#in_cache_dir helper method (#7160)
• Remove 'cache_dir' during jekyll clean (#7158)
• Cache parsed Liquid templates in memory (#7136)
• Only read layouts from source_dir or theme_dir (#6788)
• Allow custom sorting of collection documents (#7427)
• Always exclude certain paths from being processed (#7188)
• Remove Jekyll::Utils#strip_heredoc in favor of a Ruby > 2.3 built in (#7584)
• Incorporate relative_url within post_url tag (#7589)
• Remove patch to modify config for kramdown (#7699)

Bug Fixes

• Security: fix include bypass of EntryFilter#filter symlink check (#7226)
• Theme gems: ensure directories aren't symlinks (#7419)
• Add call to unused method validate_options in commands/serve.rb (#7122)
• Check if scope applies to type before given path (#7263)
• Document two methods, simplify one of the methods (#7270)
• Check key in collections only if it isn't "posts" (#7277)
• Interpolate Jekyll::Page subclass on inspection (#7203)
• Measure the no. of times a template gets rendered (#7316)
• Reduce array traversal in Jekyll::Reader (#7157)
• Re-implement handling Liquid blocks in excerpts (#7250)
• Documents should be able to render their date (#7404)
• Fix Interpreter warning from Jekyll::Renderer (#7448)
• Loggers should accept both numbers and symbols (#6967)
• Replace regex arg to :gsub with a string arg (#7189)
• Dont write static files from unrendered collection (#7410)
• Excerpt handling of custom and intermediate tags (#7382)
• Change future post loglevel to warn to help user narrow down issues (#7527)
• Handle files with trailing dots in their basename (#7315)
• Fix unnecessary allocations via StaticFileReader (#7572)
• Don't check if site URL is absolute if it is nil (#7498)
• Avoid unnecessary duplication of pages array (#7272)
• Memoize Site#post_attr_hash (#7276)
• Memoize Document#excerpt_separator (#7569)
• Optimize Document::DATE_FILENAME_MATCHER to match valid filenames (#7292)
• Escape valid special chars in a site's path name (#7568)
• Replace name in Page#inspect with relative_path (#7434)
• Log a warning when the slug is empty (#7357)
• Push Markdown link refs to excerpt only as required (#7577)
• Fix broken include_relative usage in excerpt (#7633)
• Initialize and reset glob_cache only as necessary (#7658)
• Revert memoizing Site#docs_to_write and #documents (#7684)
• Backport #7684 for v3.8.x: Revert memoizing Site#docs_to_write and refactor #documents (#7689)
• Backport #7213 and #7633 for v3.8.x: Fix broken include_relative usage in excerpt (#7690)
• Don't read symlinks in site.include in safe mode (#7711)
• Replace String#=~ with String#match? (#7723)
• Update log output for an invalid theme directory (#7679)

Minor Enhancements

• Enhance --blank scaffolding (#7310)
• Fix custom 404 page for GitHub pages (#7132)
• Load config file from within current theme-gem (#7304)
• Use jekyll-compose if installed (#6932)
• Suggest re-running command with --trace on fail (#6551)
• Support for binary operators in where_exp filter (#6998)
• Automatically load _config.toml (#7299)
• Add vendor folder to a newly installed site's .gitignore (#6968)
• Output Jekyll Version while debugging (#7173)
• Memoize computing excerpt's relative_path (#6951)
• Skip processing posts that can not be read (#7302)
• Memoize the return value of Site#documents (#7273)
• Cache globbed paths in front matter defaults (#7345)
• Cache computed item property (#7301)
• Cleanup Markdown converter (#7519)
• Disable Liquid via front matter (#6824)
• Do not process Liquid in post excerpt when disabled in front matter (#7146)
• Liquefied link tag (#6269)
• Update item_property to return numbers as numbers instead of strings (#6608)
• Use .markdown extension for page templates (#7126)
• Add support for *.xhtml files (#6854)
• Allow i18n v0.9.5 and higher (#7044)
• Ignore permission error of /proc/version (#7267)
• Strip extra slashes via Jekyll.sanitized_path (#7182)
• Site template: remove default config for markdown (#7285)
• Add a custom inspect string for StaticFile objects (#7422)
• Remind user to include gem in the Gemfile on error (#7476)
• Search Front matter defaults for Page objects with relative_path (#7261)
• Configure cache_dir (#7232)
• Lock use of tzinfo gem to v1.x (#7521, #7562)
• Utilize absolute paths of user-provided file paths (#7450)
• ISO week date drops (#5981)
• Detect nil and empty values in objects with where filter (#7580)
• Initialize mutations for Drops only if necessary (#7657)
• Reduce Array allocations via Jekyll::Cleaner (#7659)
• Encode and unencode urls only as required (#7654)
• Reduce string allocations with better alternatives (#7643)
• Reduce allocations from Jekyll::Document instances (#7625)
• Add type attribute to Document instances (#7406)
• Reduce allocations from where-filter (#7653)
• Memoize SiteDrop#documents to reduce allocations (#7697)
• Add PathManager class to cache interim paths (#7732)
• Remove warnings and fixes for deprecated config (#7440)

Development Fixes

• Use communicative method parameters (#7566)
• Scan assert_equal methods and rectify any offenses with a custom RuboCop cop (#7130)
• Add a script to profile docs with CI (#7540)
• Test with Ruby 2.6 on AppVeyor (#7518)
• Update gemspec (#7425)
• Upgrade liquid-c to v4.0 (#7375)
• Bump RuboCop to v0.63.x (#7489)
• Bump RuboCop to v0.62.x (#7449)
• Bump RuboCop to v0.61.x (#7401)
• Bump RuboCop to v0.60.x (#7338)
• Bump RuboCop to v0.59.0 (#7237)
• Bump RuboCop to v0.57.x (#7078)
• Relax version constraint on classifier-reborn gem (#7471)
• Test with Ruby v2.6 (#7438)
• Create symlink only if target is accessible (#7429)
• Test with oldest and latest Ruby only (#7412)
• Switch to :install_if for wdm gem (#7372)
• Update excludes for CodeClimate Analyses (#7365)
• CI(Appveyor): shallow clone with 5 last commits (#7312)
• update yajl-ruby (#7278)
• Add cucumber feature to test include_relative tag (#7213)
• Small benchmark refactoring (#7211)
• Lock Travis to Bundler-1.16.2 (#7144)
• Fix incorrectly passed arguments to assert_equal (#7134)
• fix up refute_equal call (#7133)
• Fix RuboCop offences in test files (#7128)
• Use assert_include (#7093)
• Remember to release docs gem (#7066)
• Update RuboCop's config (#7050)
• Useless privates removed (#6768)
• Load Rouge for TestKramdown (#7007)
• yajl-ruby update to v1.4.0 (#6976)
• Update instructions for releasing docs Gem (#6975)
• We are not using Ruby 2.2 anymore (#6977)
• Remove unnecessary Jekyll::Page constant (#6770)
• Remove unused error class (#6511)
• Add a Cucumber feature for post_url tag (#7586)
• Bump tested version of JRuby to 9.2.7.0 (#7612)
• Generate a "TOTAL" row for build-profile table (#7614)
• Target Ruby 2.4 syntax in RuboCop scans (#7583)
• Bump RuboCop to v0.68.x (#7637)
• Refactor Jekyll::Cache (#7532)
• Store list of expected extnames in a constant (#7638)
• Bump RuboCop to v0.69.x (#7656)
• Profile allocations from a build session (#7646)
• Update small typo in contributing.md (#7671)
• Bump RuboCop to v0.70.x (#7678)
• Remove override to Jekyll::Document#respond_to? (#7695)
• Do not install docs on updating gems on Travis (#7706)
• Update TestTags in sync with Rouge v3.4 (#7709)
• Bump RuboCop to v0.71.0 (#7687)
• Use regexp to filter special entries (#7702)
• Reduce Array objects generated from utility method (#7749)
• Update mime.types (#7756)
• Replace redundant Array#map with Array#each (#7761)
• Fix: rubocop offenses (#7769)

Documentation

• Add Installation Instructions for Ubuntu (#6925)
• add liquid tag jekyll-flickr (#6946)
• Updated copy - fixed casing of SaaS on resources page. (#6949)
• Do not advise users to install Jekyll outside of Bundler (#6927)
• Don't prompt for sudo when installing with Ubuntu WSL (#6781)
• Fix typo (#6969)
• Add version number for group_by_exp doc (#6956)
• Update Windows install docs (#6926)
• Remove documentation for using Redcarpet (#6990)
• Updated nginx configuration for custom-404-page documentation (#6994)
• List all static files variables (#7002)
• Document that _drafts need to be contained within the custom collection directory (#6985)
• Change for passive voice. (#7005)
• Added the CAT plugin to the plugin list (#7011)
• Updated to supported version (#7031)
• Clarify definition of 'draft' (#7037)
• Listed the jekyll-target-blank plugin in plugins list. (#7046)
• Typo (#7058)
• Add Hints for some Improved Travis Config in Doc (#7049)
• Added plugin json-get. (#7086)
• Update travis-ci.md to point out "this is an example Gemfile" (#7089)
• Adding jekyll-info plugin (#7091)
• GitHub enables you to use themes from other repos (#7112)
• Updates to CODE OF CONDUCT (v1.4.0) (#7105)
• Instructions to view theme’s files under Linux (#7095)
• Add jekyll-xml-source (#7114)
• Add the jekyll-firstimage filter plugin (#7127)
• Use a real theme in the example (#7125)
• Update docs about post creation (#7138)
• Add DEV Community's Jekyll tag to community page (#7139)
• Initialize upgrading doc for v4.0 (#7140)
• Add version badge for date filters with ordinal (#7162)
• Add closing tags for <a> (#7163)
• Add TSV to list of supported _data files. (#7168)
• Corrected sample usage of postfiles (#7181)
• Add missing html end tag for code example in section 'For loops' (#7199)
• Resolve "Unable to locate package ruby2.4" error (#7196)
• Installation instructions for Fedora (#7198)
• New docs (#7205)
• List all standard liquid filters (#7333)
• Correct stylesheet url in tutorial step 7 (#7210)
• Add some minor improvements to image loading in Showcase page (#7214)
• Fix minor grammatical error (#7215)
• Add developer.spotify.com to the Jekyll Showcase (#7217)
• Removes quotes from markdown for assets (#7223)
• Clarified front matter requirement (#7234)
• Minor whitespace fixes (#7238)
• Explicit location of where to create blog.html (#7241)
• Fix a small grammar error/typo in the docs (#7260)
• Reference the build command options that allows multiple config files (#7266)
• Update 10-deployment.md (#7268)
• Add more issue template(s) and pull request template (#7269)
• Suggest sites use OpenSSL instead of GnuTLS for their site's CI (#7010)
• Fix broken Contributors link in README.markdown (#7200)
• Add title tag to item in RSS template (#7282)
• More inclusive writing (#7283)
• Document converter methods (#7289)
• Add link tag to item in RSS template (#7291)
• Add Isomer to showcase (#7300)
• Added missing semicolon (#7306)
• "This restricts you..." to "This restricts your" (#7307)
• Add a link to Giraffe Academy's tutorial (#7325)
• Grammar correction (#7327)
• Document Jekyll Filters with YAML data (#7335)
• Remove redundant instruction comment (#7342)
• Minimize rendering count (#7343)
• Update posts.md (#7360)
• Add info how to deploy using pre-push git hook (#7179)
• Textile is only supported through a converter plugin (#7003)
• Add documentation for custom tag blocks (#7359)
• Added 99inbound's Jekyll post to form resources (#7348)
• Document page.dir and page.name (#7373)
• Remove installation instructions with Homebrew (#7381)
• Fix dead link and misleading prose (#7383)
• Fix content management section (#7385)
• Proposed re-wording of Sass note. :) (#7392)
• Apply ruby official guide documents (#7393)
• Fix group_by_exp filter example (#7394)
• Adjust team page listings (#7395)
• Update resources.md (#7396)
• Update resources.md (#7397)
• Remove alt attribute from a tags (#7407)
• Fix grammatical error in permalinks.md (#7409)
• Fix BASH code-block in ubuntu.md (#7420)
• zlib is missing (#7428)
• Include docs for {{ page.collection }} (#7430)
• Permalink docs typo fixes (#7459)
• Fixed unnecessary aticles and pronouns (#7466)
• Grammatical correction (#7464)
• Update resources.md (#7472)
• Store SSL key and cert in site source (#7473)
• Minor doc fixes (#7495)
• Changed order of steps (#7503)
• Hosting with AWS Amplify (#7510)
• Fix typo in tutorial for converting existing site (#7524)
• Add CloudSh to resource page. (#7497)
• Check if var exists before include tag (#7530)
• Added formX to form-backend resources (#7536)
• Clarify docs on collections regarding the need for front matter (#7538)
• Fix incorrect Windows path in themes.md (#7525)
• Document where Jekyll looks for layouts in a site (#7564)
• Mention CommonMark plugins (#7418)
• Addresses bundle not found. (#7351)
• Example of CircleCI deployment through CircleCI v2 (#7024)
• v4.0 development post (#6934)
• Release post for v3.8.0 (#6849)
• Release Post for v3.6.3, v3.7.4 and v3.8.4 (#7259)
• Adds Statictastic to the list of resources (#7593)
• Update 07-assets.md (#7599)
• Fix link space (#7600)
• Added Formspark to form resources (#7601)
• Simplify couple of includes in the docs site (#7607)
• Avoid generating empty classnames (#7610)
• Install Docs that Work on MacOS 10.14 (#7561)
• Update the contribution docs for draft pull requests (#7619)
• Doc: Data file section adds TSV (#7640)
• Indicate where the _sass folder is by default (#7644)
• Docs: add version tags to new placeholders (#5981) for permalinks (#7647)
• Solve "GitHub Page build failure" in 10-deployment.md (#7648)
• Fix typo from 'Github' to 'GitHub' (#7691)
• fix link to Site Source config (#7708)
• Add Jekpack to resources page (#7598)
• Introduce frontmatter in step 2 (#7704)
• Add recursive navigation tutorial (#7720)
• Fix misspelling of "additional" (#7764)
• docs: improve how to include rouge stylesheets (#7752)

Site Enhancements

• Add @ashmaroli to Core Team listing (#7398)
• Lnk to Tidelift in site's footer (#7377)
• Link to OpenCollective backing (#7378
• Link to sponsor listing in README (#7405)
• Better Performance (#7388)
• Simplify assigning classname to docs' aside-links (#7609)

release

• Release v4.0.0.pre.alpha1 (#7574)
• Prepare Jekyll 4.0.0 beta1 (#7716)

Bug Fixes

• Update log output for an invalid theme directory (#7734)
• Memoize SiteDrop#documents to reduce allocations (#7722)
• Excerpt handling of custom and intermediate tags (#7467)
• Escape valid special chars in a site's path name (#7573)
• Revert memoizing Site#docs_to_write and refactor #documents (#7689)
• Fix broken include_relative usage in excerpt (#7690)
• Install platform-specific gems as required (3c06609406)

Security Fixes

• Theme gems: ensure directories aren't symlinks (#7424)

Major Enhancements

• Drop ruby 2.3 (#7454)
• Drop support for Ruby 2.1 and 2.2 (#6560)
• Drop support for older versions of Rouge (#6978)
• Drop support for pygments as syntax-highlighter (#7118)
• Drop support for Redcarpet (#6987)
• Drop support for rdiscount (#6988)
• Drop support for jekyll-watch-1.4.0 and older (#7287)
• Incorporate relative_url filter in link tag (#6727)
• Refactor highlight tag to behave like the raw tag (#6821)
• Upgrade kramdown dependency to v2.x (#7492)
• Upgrade i18n to v1.x (#6931)
• Add Jekyll::Cache class to handle caching on disk (#7169)
• Cache converted markdown (#7159)
• Cache: Do not dump undumpable objects (#7190)
• Cache matched defaults sets for given parameters (#6888)
• Ignore cache directory (#7184)
• Add Site#in_cache_dir helper method (#7160)
• Remove 'cache_dir' during jekyll clean (#7158)
• Cache parsed Liquid templates in memory (#7136)
• Only read layouts from source_dir or theme_dir (#6788)
• Allow custom sorting of collection documents (#7427)
• Always exclude certain paths from being processed (#7188)

Bug Fixes

• Security: fix include bypass of EntryFilter#filter symlink check (#7226)
• Theme gems: ensure directories aren't symlinks (#7419)
• Add call to unused method validate_options in commands/serve.rb (#7122)
• Check if scope applies to type before given path (#7263)
• Document two methods, simplify one of the methods (#7270)
• Check key in collections only if it isn't "posts" (#7277)
• Interpolate Jekyll::Page subclass on inspection (#7203)
• Measure the no. of times a template gets rendered (#7316)
• Reduce array traversal in Jekyll::Reader (#7157)
• Re-implement handling Liquid blocks in excerpts (#7250)
• Documents should be able to render their date (#7404)
• Fix Interpreter warning from Jekyll::Renderer (#7448)
• Loggers should accept both numbers and symbols (#6967)
• Replace regex arg to :gsub with a string arg (#7189)
• Dont write static files from unrendered collection (#7410)
• Excerpt handling of custom and intermediate tags (#7382)
• Change future post loglevel to warn to help user narrow down issues (#7527)
• Handle files with trailing dots in their basename (#7315)
• Fix unnecessary allocations via StaticFileReader (#7572)
• Don't check if site URL is absolute if it is nil (#7498)
• Avoid unnecessary duplication of pages array (#7272)
• Memoize Site#post_attr_hash (#7276)
• Memoize Document#excerpt_separator (#7569)
• Optimize Document::DATE_FILENAME_MATCHER to match valid filenames (#7292)
• Escape valid special chars in a site's path name (#7568)
• Replace name in Page#inspect with relative_path (#7434)
• Log a warning when the slug is empty (#7357)
• Push Markdown link refs to excerpt only as required (#7577)

Minor Enhancements

• Enhance --blank scaffolding (#7310)
• Fix custom 404 page for GitHub pages (#7132)
• Load config file from within current theme-gem (#7304)
• Use jekyll-compose if installed (#6932)
• Suggest re-running command with --trace on fail (#6551)
• Support for binary operators in where_exp filter (#6998)
• Automatically load _config.toml (#7299)
• Add vendor folder to a newly installed site's .gitignore (#6968)
• Output Jekyll Version while debugging (#7173)
• Memoize computing excerpt's relative_path (#6951)
• Skip processing posts that can not be read (#7302)
• Memoize the return value of Site#documents (#7273)
• Cache globbed paths in front matter defaults (#7345)
• Cache computed item property (#7301)
• Cleanup Markdown converter (#7519)
• Disable Liquid via front matter (#6824)
• Do not process Liquid in post excerpt when disabled in front matter (#7146)
• Liquefied link tag (#6269)
• Update item_property to return numbers as numbers instead of strings (#6608)
• Use .markdown extension for page templates (#7126)
• Add support for *.xhtml files (#6854)
• Allow i18n v0.9.5 and higher (#7044)
• Ignore permission error of /proc/version (#7267)
• Strip extra slashes via Jekyll.sanitized_path (#7182)
• Site template: remove default config for markdown (#7285)
• Add a custom inspect string for StaticFile objects (#7422)
• Remind user to include gem in the Gemfile on error (#7476)
• Search Front matter defaults for Page objects with relative_path (#7261)
• Configure cache_dir (#7232)
• Lock use of tzinfo gem to v1.x (#7521, #7562)
• Utilize absolute paths of user-provided file paths (#7450)

Development Fixes

• Use communicative method parameters (#7566)
• Scan assert_equal methods and rectify any offenses with a custom RuboCop cop (#7130)
• Add a script to profile docs with CI (#7540)
• Test with Ruby 2.6 on AppVeyor (#7518)
• Update gemspec (#7425)
• Upgrade liquid-c to v4.0 (#7375)
• Bump RuboCop to v0.63.x (#7489)
• Bump RuboCop to v0.62.x (#7449)
• Bump RuboCop to v0.61.x (#7401)
• Bump RuboCop to v0.60.x (#7338)
• Bump RuboCop to v0.59.0 (#7237)
• Bump RuboCop to v0.57.x (#7078)
• Relax version constraint on classifier-reborn gem (#7471)
• Test with Ruby v2.6 (#7438)
• Create symlink only if target is accessible (#7429)
• Test with oldest and latest Ruby only (#7412)
• Switch to :install_if for wdm gem (#7372)
• Update excludes for CodeClimate Analyses (#7365)
• CI(Appveyor): shallow clone with 5 last commits (#7312)
• update yajl-ruby (#7278)
• Add cucumber feature to test include_relative tag (#7213)
• Small benchmark refactoring (#7211)
• Lock Travis to Bundler-1.16.2 (#7144)
• Fix incorrectly passed arguments to assert_equal (#7134)
• fix up refute_equal call (#7133)
• Fix RuboCop offences in test files (#7128)
• Use assert_include (#7093)
• Remember to release docs gem (#7066)
• Update RuboCop's config (#7050)
• Useless privates removed (#6768)
• Load Rouge for TestKramdown (#7007)
• yajl-ruby update to v1.4.0 (#6976)
• Update instructions for releasing docs Gem (#6975)
• We are not using Ruby 2.2 anymore (#6977)
• Remove unnecessary Jekyll::Page constant (#6770)
• Remove unused error class (#6511)

Documentation

• Add Installation Instructions for Ubuntu (#6925)
• add liquid tag jekyll-flickr (#6946)
• Updated copy - fixed casing of SaaS on resources page. (#6949)
• Do not advise users to install Jekyll outside of Bundler (#6927)
• Don't prompt for sudo when installing with Ubuntu WSL (#6781)
• Fix typo (#6969)
• Add version number for group_by_exp doc (#6956)
• Update Windows install docs (#6926)
• Remove documentation for using Redcarpet (#6990)
• Updated nginx configuration for custom-404-page documentation (#6994)
• List all static files variables (#7002)
• Document that _drafts need to be contained within the custom collection directory (#6985)
• Change for passive voice. (#7005)
• Added the CAT plugin to the plugin list (#7011)
• Updated to supported version (#7031)
• Clarify definition of 'draft' (#7037)
• Listed the jekyll-target-blank plugin in plugins list. (#7046)
• Typo (#7058)
• Add Hints for some Improved Travis Config in Doc (#7049)
• Added plugin json-get. (#7086)
• Update travis-ci.md to point out "this is an example Gemfile" (#7089)
• Adding jekyll-info plugin (#7091)
• GitHub enables you to use themes from other repos (#7112)
• Updates to CODE OF CONDUCT (v1.4.0) (#7105)
• Instructions to view theme’s files under Linux (#7095)
• Add jekyll-xml-source (#7114)
• Add the jekyll-firstimage filter plugin (#7127)
• Use a real theme in the example (#7125)
• Update docs about post creation (#7138)
• Add DEV Community's Jekyll tag to community page (#7139)
• Initialize upgrading doc for v4.0 (#7140)
• Add version badge for date filters with ordinal (#7162)
• Add closing tags for <a> (#7163)
• Add TSV to list of supported _data files. (#7168)
• Corrected sample usage of postfiles (#7181)
• Add missing html end tag for code example in section 'For loops' (#7199)
• Resolve "Unable to locate package ruby2.4" error (#7196)
• Installation instructions for Fedora (#7198)
• New docs (#7205)
• List all standard liquid filters (#7333)
• Correct stylesheet url in tutorial step 7 (#7210)
• Add some minor improvements to image loading in Showcase page (#7214)
• Fix minor grammatical error (#7215)
• Add developer.spotify.com to the Jekyll Showcase (#7217)
• Removes quotes from markdown for assets (#7223)
• Clarified front matter requirement (#7234)
• Minor whitespace fixes (#7238)
• Explicit location of where to create blog.html (#7241)
• Fix a small grammar error/typo in the docs (#7260)
• Reference the build command options that allows multiple config files (#7266)
• Update 10-deployment.md (#7268)
• Add more issue template(s) and pull request template (#7269)
• Suggest sites use OpenSSL instead of GnuTLS for their site's CI (#7010)
• Fix broken Contributors link in README.markdown (#7200)
• Add title tag to item in RSS template (#7282)
• More inclusive writing (#7283)
• Document converter methods (#7289)
• Add link tag to item in RSS template (#7291)
• Add Isomer to showcase (#7300)
• Added missing semicolon (#7306)
• "This restricts you..." to "This restricts your" (#7307)
• Add a link to Giraffe Academy's tutorial (#7325)
• Grammar correction (#7327)
• Document Jekyll Filters with YAML data (#7335)
• Remove redundant instruction comment (#7342)
• Minimize rendering count (#7343)
• Update posts.md (#7360)
• Add info how to deploy using pre-push git hook (#7179)
• Textile is only supported through a converter plugin (#7003)
• Add documentation for custom tag blocks (#7359)
• Added 99inbound's Jekyll post to form resources (#7348)
• Document page.dir and page.name (#7373)
• Remove installation instructions with Homebrew (#7381)
• Fix dead link and misleading prose (#7383)
• Fix content management section (#7385)
• Proposed re-wording of Sass note. :) (#7392)
• Apply ruby official guide documents (#7393)
• Fix group_by_exp filter example (#7394)
• Adjust team page listings (#7395)
• Update resources.md (#7396)
• Update resources.md (#7397)
• Remove alt attribute from a tags (#7407)
• Fix grammatical error in permalinks.md (#7409)
• Fix BASH code-block in ubuntu.md (#7420)
• zlib is missing (#7428)
• Include docs for {{ page.collection }} (#7430)
• Permalink docs typo fixes (#7459)
• Fixed unnecessary aticles and pronouns (#7466)
• Grammatical correction (#7464)
• Update resources.md (#7472)
• Store SSL key and cert in site source (#7473)
• Minor doc fixes (#7495)
• Changed order of steps (#7503)
• Hosting with AWS Amplify (#7510)
• Fix typo in tutorial for converting existing site (#7524)
• Add CloudSh to resource page. (#7497)
• Check if var exists before include tag (#7530)
• Added formX to form-backend resources (#7536)
• Clarify docs on collections regarding the need for front matter (#7538)
• Fix incorrect Windows path in themes.md (#7525)
• Document where Jekyll looks for layouts in a site (#7564)
• Mention CommonMark plugins (#7418)
• Addresses bundle not found. (#7351)
• Example of CircleCI deployment through CircleCI v2 (#7024)
• v4.0 development post (#6934)
• Release post for v3.8.0 (#6849)
• Release Post for v3.6.3, v3.7.4 and v3.8.4 (#7259)

Site Enhancements

• Add @ashmaroli to Core Team listing (#7398)
• Lnk to Tidelift in site's footer (#7377)
• Link to OpenCollective backing (#7378
• Link to sponsor listing in README (#7405)
• Better Performance (#7388)

release

• Release v4.0.0.pre.alpha1 (#7574)