v1.94.2

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Command-Line Interface

• Using --fatal-deprecation <version> no longer emits warnings about
  deprecations that are obsolete.

Dart API

• Deprecation.forVersion now excludes obsolete deprecations from the set it
  returns.

JS API

• Excludes obsolete deprecations from fatalDeprecations when a Version is
  passed.

Node.js Embedded Host

• Fix a bug where a variable could be used before it was initialized during
  async compilation.

v1.94.1

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• No user-visible changes.

v1.94.0

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• Potentially breaking compatibility fix: @function rules whose names
  begin with -- are now parsed as unknown at-rules to support the plain CSS
  @function rule. Within this rule, the result property is parsed as raw
  CSS just like custom properties.

• Potentially breaking compatibility fix: @mixin rules whose names begin
  with -- are now errors. These are not yet parsed as unknown at-rules because
  no browser currently supports CSS mixins.

v1.93.3

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• Fix a performance regression that was introduced in 1.92.0.

v1.93.2

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• No user-visible changes.

JavaScript API

• Fix another error in the release process for @sass/types.

v1.93.1

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• No user-visible changes.

JavaScript API

• Fix an error in the release process for @sass/types.

v1.93.0

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• Fix a crash when a style rule contains a nested @import, and the loaded file
  @uses a user-defined module as well as @includes a top-level mixin which
  emits top-level declarations.

JavaScript API

• Release a @sass/types package which contains the type annotations used by
  both the sass and sass-embedded package without any additional code or
  dependencies.

v1.92.1

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• Fix a bug where variable definitions from one imported, forwarded module
  would not be passed as implicit configuration to a later imported, forwarded
  module.

v1.92.0

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• Breaking change: Emit declarations, childless at-rules, and comments in
  the order they appear in the source even when they're interleaved with nested
  rules. This obsoletes the mixed-decls deprecation.

• Breaking change: The function name type() is now fully reserved for the
  plain CSS function. This means that @function definitions with the name
  type will produce errors, while function calls will be parsed as special
  function strings.

• Configuring private variables using @use ... with, @forward ... with, and
  meta.load-css(..., $with: ...) is now deprecated. Private variables were
  always intended to be fully encapsulated within the module that defines them,
  and this helps enforce that encapsulation.

• Fix a bug where @extend rules loaded through a mixture of @import and
  @use rules could fail to apply correctly.

Command-Line Interface

• In --watch mode, delete the source map when the associated source file is
  deleted.

v1.91.0

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• Potentially breaking change: meta.inspect() (as well as other systems
  that use it such as @debug and certain error messages) now emits numbers
  with as high precision as is available instead of rounding to the nearest
  1e⁻¹⁰ as we do when serializing to CSS. This better fits the purpose of
  meta.inspect(), which is to provide full information about the structure of
  a Sass value.

• Passing a rest argument ($arg...) before a positional or named argument when
  calling a function or mixin is now deprecated. This was always outside the
  specified syntax, but it was historically treated the same as passing the rest
  argument at the end of the argument list whether or not that matched the
  visual order of the arguments.

v1.90.0

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• Allow a @forwarded module to be loaded with a configuration when that module
  has already been loaded with a different configuration and the module
  doesn't define any variables that would have been configured anyway.

v1.89.2

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Embedded Host

• Fixed a compilation error caused by an outdated buf dependency.

v1.89.1

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• No user-visible changes.

v1.89.0

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• Allow the Node package importer to load files even when there are multiple
  potential resolutions, as long as those resolutions all point to the same
  file.

v1.88.0

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• Allow custom properties with empty values (such as --var:;).

• Fix a bug when calculating source spans for interpolations.

Dart and JS APIs

• Potentially breaking bug fix: Throw an error when passing a function or
  mixin object from one compilation to another.

Dart API

• Deprecate passing a relative URL to compileString() and related functions.

v1.87.0

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• Potentially breaking bug fix: When a plain CSS file with a top-level
  nesting selector & is loaded into a nested Sass context via
  meta.load-css() or @import, Sass now emits plain CSS nesting rather than
  incorrectly combining it with the parent selector using a descendant
  combinator.

v1.86.3

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• Fix a bug introduced in 1.86.1 where Sass fails to resolve paths starting with
  a .. segment.

v1.86.2

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• No user-visible changes.

v1.86.1

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• Improve the performance of file: URL case canonicalization on Windows and
  Mac OS.

v1.86.0

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• Add support for % as an expression in its own right. It will still be parsed
  as the modulo operator when between two other expressions, but in any other
  context it will be an expression whose value is the unquoted string %.

• Consider attr() to be a special number function that can be used as a
  channel in color functions.

• Deprecate user-defined functions named type() so that we can eventually
  support the new CSS type() function.

Dart API

• Increase the minimum Dart SDK to 3.6.0.

v1.85.1

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• Fix a bug where global Sass functions whose names overlap with CSS math
  functions could incorrectly be treated as CSS math functions even though they
  used Sass-only features, causing compilation failures. For example,
  round(-$var / 2) previously threw an error but now works as intended.

v1.85.0

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• No longer fully trim redundant selectors generated by @extend. This caused
  unacceptable performance issues for certain heavy users of @extend. We'll
  try to find a more performant way to accomplish it in the future.

v1.84.0

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• Allow newlines in whitespace in the indented syntax.

• Potentially breaking bug fix: Selectors with unmatched brackets now always
  produce a parser error. Previously, some edge cases like [foo#{"]:is(bar"}) {a: b} would compile without error, but this was an unintentional bug.

• Fix a bug in which various Color Level 4 functions weren't allowed in plain
  CSS.

• Fix the error message for @extend without a selector and possibly other
  parsing edge-cases in contexts that allow interpolation.

Embedded Host

• Fixed the implementation of the SassBoolean type to adhere to the spec,
  now using a class instead of an interface.

v1.83.4

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• No user-visible changes.

v1.83.3

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• No user-visible changes.

v1.83.2

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• Properly display deprecation IDs for the JS Sass API.

• Don't display deprecation IDs for user-defined deprecations.

v1.83.1

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• Fix a bug where --quiet-deps would get deactivated for @content blocks,
  even when those blocks were entirely contained within dependencies.

• Include deprecation IDs in deprecation warnings to make it easier to determine
  what to pass to --silence-deprecation or --fatal-deprecation.