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EMBEDDED_PROTOCOL_CHANGELOG.md

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2.7.0

  • Add containing_url_unused field to CanonicalizeResponse and FileImportResponse.

2.6.0

  • Add fatal_deprecation, silence_deprecation, and future_deprecation fields to CompileRequest and deprecation_type to LogEvent, implementing the deprecations API.

2.5.0

  • Add NodePackageImporter as a built-in Package Importer, resolving pkg: URLs using the standards and conventions of the Node ecosystem.

2.4.0

  • Add CompileRequest.silent option that suppresses all LogEvents.

2.3.0

  • Add a Value.CompilerMixin value type to represent first-class mixins.

2.2.0

  • Deprecate the Value.Calculation.CalculationValue.value.interpolation option, and change how it's interpreted by the compiler.

2.1.0

  • Use the Java package com.sass_lang.embedded_protocol and generate multiple Java files when generating Java code. This doesn't affect any other languages.

    Note: although this is technically a breaking change for Java users, 2.0.0 is so new that it's being rolled into that breakage rather than releasing 3.0.0 immediately.

2.0.0

  • The compilation ID for each CompileRequest and the various outbound requests associated with a given compilation is now encoded as part of the wire protocol, rather than being protobuf fields. This makes it easier for embedded compilers to efficiently dispatch requests across multiple threads without reparsing protocol buffers.

    • The CompileRequest.id, CompileResponse.id, LogEvent.compilation_id, CanonicalizeRequest.compilation_id, ImportRequest.compilation_id, FileImportRequest.compilation_id, and FunctionCallRequest.compilation_id fields have been removed.

  • The following fields are now explicitly declared as proto3 optional fields: ImportSuccess.source_map_url, LogEvent.span, SourceSpan.end. These should no longer be considered unset when they have the default value, but only when they're unset at the protocol level. All non-oneof fields are mandatory. (oneof fields are still described as "optional" or "mandatory" in the specification text.)

  • CompileSuccess.loaded_urls has been moved to CompileResponse.loaded_urls so it's available even when compilation fails.

1.2.0

  • Have the compiler treat several user-generated invalid responses as compilation errors rather than ProtocolErrors:

    • Invalid function signatures in CompileRequest.global_functions.

    • Non-absolute URLs in CanonicalizeResponse.result.url, ImportSuccess.source_map_url, and FileImportResponse.result.file_url.

  • Clarify that an invalid signature in a HostFunction should treat the current function as failing, rather than the HostFunction.

1.1.0

  • Add a charset option that controls whether or not Sass emits a @charset/BOM for non-ASCII stylesheets.

1.0.0

  • First stable release.

1.0.0-beta.18

  • Add a CompileRequest.source_map_include_sources field that tells the compiler to embed the contents of all source files in the generated source maps.

1.0.0-beta.17

  • Mark ImportResponse.result as optional. Importers should be able to return null to indicate that a file wasn't found.

1.0.0-beta.16

  • Mark CompileFailure.span as mandatory. There's no instance where a compilation itself should fail without having a source to point to.

  • Make it the compiler's responsibility to verify HostFunction.signature. This ensures that the host doesn't have to parse Sass code.

1.0.0-beta.15

  • Pluralize Calculation.arguments.

  • Explicitly document how hosts should handle calculations.

1.0.0-beta.14

  • Add support for calculation values.

1.0.0-beta.13

  • Add the Value.HwbColor type.

  • Explicitly specify that compilers may choose which color types to use to represent each color.

1.0.0-beta.12

  • Add the Value.ArgumentList type, as well as FunctionCallResponse.accessed_argument_lists to track which argument lists had their keywords accessed.

1.0.0-beta.11

  • Breaking change: We now follow the protocol buffer style guide. This means:

    • Field names are now all underscore-separated rather than lower camel case.
    • Enums are now at the top-level with prefixes rather than surrounded in enclosing messages.

  • Add CompileRequest.quiet_deps and CompileRequest.verbose flags to control how the compiler emits compilation warnings.

  • Add a CompileSuccess.loaded_urls field that indicates the URLs that were loaded by a compilation.

  • Clarify that CompileRequest.StringInput.url must be a canonical URL.

  • Fix the documentation of CanonicalizeRequest to avoid referring to the outmoded CanonicalizeResponse.result.file field.

1.0.0-beta.10

  • Add VersionRequest.id and VersionResponse.id.

1.0.0-beta.9

  • Added CanonicalizeRequest.fromImport and FileImportRequest.fromImport fields to allow importers to correctly handle import-only files.

1.0.0-beta.8

  • Added fields to support requesting and sending formatted errors and logs.

    • CompileRequest.alert_color
    • CompileRequest.alert_ascii
    • CompileFailure.formatted
    • LogEvent.formatted

  • Remove OutputStyle.NESTED and OutputStyle.COMPACT. It's unlikely that any host would support those any time soon.

1.0.0-beta.7

  • Use 4294967295 as the special ID for error messages that aren't caused by a specific request, since -1 isn't representable as a uint32.

1.0.0-beta.6

  • Changed CompileResponse.id and ProtocolError.id from int32 to uint32 to match the type of all other ID fields.

  • Added protocol versions and created this changelog.

  • Added the VersionRequest and VersionResponse messages.

  • Delimit messages with varints rather than fixed-size integers.