Sourced from jekyll's releases.

v4.1.0

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)

Sourced from jekyll's changelog.

4.1.0 / 2020-05-27

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)
• Cache URLFilter results of string inputs per site (#7990)
• Use platforms instead of install_if in Gemfile (#8140)
• Config include trailing slash (#8113)
• 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)
• Return relative_url if site.url is an empty string (#7988)
• Configure kramdown toc_levels as array by default (#8015)
• Reduce Pathname objects from front matter defaults (#8067)
• Simplify Jekyll::Hooks.trigger logic (#8044)
• Quicker categories for documents without superdirs (#7987)
• Reduce Jekyll::Renderer instances during a build (#7570)
• Escape regex characters in paths to match (#8138)
• Provide invokables for common drop query keys (#8165)
• Optimize path sanitization of default front matter (#8154)
• Initialize static files' data hash only if needed (#8188)
• Initialize include-files as Jekyll objects (#8158)

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)
• 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 filter respect CJK characters (#7813)
• Allow extensionless document in a strict site (#7950)

... (truncated)

• 627e3bb Release post of v4.1.0 (#8209)
• d1c72e8 Release 💎 4.1.0
• 0a48b23 chore(release): v4.1.0 💎
• e05f2b9 docs: fix classifier-reborn link
• 84ea040 Update history to reflect merge of #8158 [ci skip]
• 1292dcc Initialize include-files as Jekyll objects (#8158)
• 2f4c73f Update history to reflect merge of #8188 [ci skip]
• c0fde30 Initialize static files' data hash only if needed (#8188)
• bf568cc Revert merge of #8126 [skip ci]
• 5e2af1b Trigger Deploy Docs on push event
• Additional commits viewable in compare view

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