KITT

See the 3.4.0 release notes for a full recap.

Features

• Improve debugger coverage (@xzyfer, #2093)
• Add Sass lang version to 3.4 (@am11, #2077)
• Automake compile on msys2 and mingw64 (@mgreter, #2063)
• Improve Sass_Value documentation (@mgreter, #2045)
• Add initial CONTRIBUTING.md and ISSUE_TEMPLATE.md (@mgreter, #2044)
• Update sass2scss to latest version (@mgreter, #2177 #1990 #1781)
• Implement the check nesting visitor (@xzyfer, #2062)
• Implement source_map_file_urls option (@mgreter, #2220)
• Re-order the sourcemap writing to match spec (@nschonni, #2193)
• Implement the Trace AST node (@xzyfer, #1585)
• Significant improvements to delayed values (@mgreter, #2042, #2034 #2057)
• Improve memory footprint when evaluating in loops (@mgreter, #2171)
• Support list functions on maps (@xzyfer, #1930)

Fixes

• Extending inner of :not can lead to invalid css (@mgreter, #2054)
• Segfault with @extend (@mgreter, #2051)
• Extending a placeholder from a media query outputs nothing (@mgreter, #2150)
• Don't drop pseudo elements in wrapped selectors (@xzyfer, #2200)
• / interpreted as division instead of separator (@mgreter, #2149)
• Mishandling quotes (@mgreter, #2153 #2156)
• Remove the selector stack from the CSSize visitor (@xzyfer, #2091)
• Workaround parent selector issues with at-root (@xzyfer, #2006 #2198)
• Bugfixes for source maps (@mgreter, #2216)
• Make paths in source comments relative to CWD (@mgreter, #2219)
• color-change() with $hue (@mgreter, #2113)
• @import causing process to hang (@mgreter, #2106)
• Broken link (@MoritzKn, #2105)
• Specificity for Simple_Selectors nodes (@xzyfer, #2099)
• @at-root without arguments (@xzyfer, #2092)
• Segfault with calc prefix and underscore vs hyphen (@mgreter, #2074)
• Error message for missing arguments (@mgreter, #2067)
• Warning under MSVC x86_64 (@asottile, #2047)
• MSVC x86_64 buffer overrun in error reporting (@mgreter, #2046)
• Handling "\a" in interpolations (@mgreter, #1786)
• Including a @mixin when outside of selector still outputs properties (@xzyfer, #1732)
• Add error when comma lists are used as map keys (@mgreter, #1537)
• Evaluation of & in sass script (@mgreter, #2124 #2116)
• Handle unicode chars in unquoted urls (@mgreter, #2120 @xzyfer, #2125)
• hue() for rgb colors when $saturation: 0 (@mgreter, #2135)
• Invalid duplicate keys in maps (@mgreter, #2118)
• str-slice() with negative length (@mgreter, #2132)
• Segfault parsing multiple operations in calc (@mgreter, #2151)
• Stackoverflow and segmentation failure on recrusive dependence mixins (@mgreter, #2144)
• Don't allow math on maps (@mgreter, #2147)
• Don't allow math on colors (@xzyfer, #2140)
• CSS comment inside of @supports incorrect CSS output (@mgreter, #2158)
• Check and error on empty variable assignments (@mgreter, #2143 #2146)
• Incorrect output when concatenating an empty string (@mgreter, #2169)
• Brew 1.0.0 release causing OSX CI failures (@xzyfer, #2183)
• Handling empty nested media queries (@xzyfer, #2154)
• @at-root for loop and logic statements (@mgreter, #2187)
• Typo in docs (@asottile, @2201)
• Memory leak (@mgreter, #2211 #2213)
• Using ... in an overloaded function causes fatal error (@mgreter, #2205)
• Should error when attempting to output an empty list or map (@mgreter, #1452)

Misc

• Rename some selector AST nodes to better match the reference (@xzyfer, #2101)
• Add php wrapper project link (@lesstif, #2121)
• Add Elixir wrapper project link (@scottdavis, #2141)
• Updated README (@am11, #2172)
• Enabling debug builds by setting env var DEBUG=1 (@delapuente, #2176)
• Remove -ldl flag from OpenBSD too (@parhs, #2210)
• Remove superfluous dev error message (@mgreter, #2217)