feat(sidekick/swift): generate deprecation attributes - #6750
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This pull request adds support for generating @available(*, deprecated) annotations in Swift templates for deprecated services, protocols, methods, enums, messages, fields, and oneof cases, along with comprehensive unit tests. The review feedback points out two valid issues: a redundant {{#Deprecated}} block on oneof properties in message.mustache (since api.OneOf lacks a Deprecated field), and missing deprecation attributes on default implementations in the protocol extension within client_protocol.mustache which would cause Swift compiler warnings.
coryan
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July 10, 2026 17:28
chingor13
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Jul 13, 2026
When an element (service, method, message, field, enum, or enum value) is deprecated in the source specification we need to generate the corresponding Swift attribute in the generated type or property.
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🤖 I have created a release *beep* *boop* --- ## [0.26.0](v0.25.0...v0.26.0) (2026-07-13) ### Features * **internal/gem:** add gem package to install Ruby gem tools ([#6724](#6724)) ([40ba6df](40ba6df)) * **internal/librarian/java:** add ApplyMoveActionsToLibrary helper and unit tests ([#6731](#6731)) ([f25bd33](f25bd33)) * **internal/librarian/java:** add RestructureToLibrary helper and unit tests ([#6757](#6757)) ([b2ff68c](b2ff68c)), closes [#6516](#6516) * **internal/librarian/java:** add ToKeepSet helper and unit tests ([#6730](#6730)) ([df99304](df99304)), closes [#6516](#6516) * **internal/librarian/java:** integrate native Go postprocessor into Java generator ([#6768](#6768)) ([074059d](074059d)), closes [#6516](#6516) * **internal/librarian/java:** mark legacy postprocessing for deprecation ([#6716](#6716)) ([78a4ab6](78a4ab6)), closes [#6516](#6516) * **internal/librarian/nodejs:** use cache and bin directories for nodejs install ([#6680](#6680)) ([7f88869](7f88869)) * **internal/librarian/php:** add inital PHP client library generator ([#6703](#6703)) ([9a45ab1](9a45ab1)) * **internal/librarian/php:** add tool installation directory helpers ([#6717](#6717)) ([9cdf0b5](9cdf0b5)), closes [#6630](#6630) * **internal/librarian/ruby:** support installing Ruby gem dependencies ([#6751](#6751)) ([bbce2c4](bbce2c4)), closes [#6634](#6634) * **internal/librarian:** add ruby tools directory to env output ([#6781](#6781)) ([c220d71](c220d71)) * **internal/postprocessing:** add Apply pipeline runner and tests ([#6714](#6714)) ([5cb8f66](5cb8f66)), closes [#6516](#6516) * **internal/postprocessing:** add ApplyMethodOperations batch runner and tests ([#6698](#6698)) ([8377d53](8377d53)), closes [#6516](#6516) * **internal/postprocessing:** add applyToFiles and RemoveFiles ([#6673](#6673)) ([2f4b437](2f4b437)), closes [#6516](#6516) * **internal/postprocessing:** add CopyFiles batch runner and tests ([#6686](#6686)) ([20c3a1a](20c3a1a)) * **internal/postprocessing:** add ReplaceAll and ReplaceRegexAll batch runners and tests ([#6688](#6688)) ([bb18f06](bb18f06)) * **internal/protoc:** add protoc installation and use installed `protoc` in Java generation ([#6622](#6622)) ([00ee24d](00ee24d)) * **internal/protoc:** add Run function ([#6699](#6699)) ([cd8a1d4](cd8a1d4)), closes [#6558](#6558) * **internal/serviceconfig:** allowlist API paths for php ([#6789](#6789)) ([7907686](7907686)), closes [#6629](#6629) * **internal/tool/gem:** verify input directories and tools before installation ([#6778](#6778)) ([3086d63](3086d63)) * **java:** append versions.txt on add ([#6653](#6653)) ([9e9e645](9e9e645)) * **librarian/internal/config:** add php config ([#6701](#6701)) ([939ae6f](939ae6f)) * **migrate:** discover and list PHP libraries during migration ([#6728](#6728)) ([e552b89](e552b89)) * **sidekick/parser:** correct LRO poller service ([#6704](#6704)) ([1d4b2d1](1d4b2d1)) * **sidekick/rust:** remove unstable gate for LRO tracing ([#6459](#6459)) ([8266ce3](8266ce3)) * **sidekick/swift:** discovery LROs ([#6738](#6738)) ([c294d15](c294d15)) * **sidekick/swift:** generate deprecation attributes ([#6750](#6750)) ([145e8ae](145e8ae)) * **sidekick/swift:** traits with dependencies ([#6709](#6709)) ([e8389f2](e8389f2)) * **swift:** add protobuf generation support ([#6697](#6697)) ([3bebf26](3bebf26)) * **tool/cmd/migrate/php:** scaffold composer tools for php ([#6736](#6736)) ([f23b451](f23b451)) * **tool/cmd/migrate:** add support to php ([#6726](#6726)) ([586bac0](586bac0)), closes [#6723](#6723) * **tool/cmd/migrate:** support union versions in PHP OwlBot configs ([#6782](#6782)) ([7690206](7690206)), closes [#6779](#6779) ### Bug Fixes * **internal/librarian/java:** remove excluded_poms from repometadata ([#6676](#6676)) ([5e0f7f2](5e0f7f2)) * **internal/librarian/php:** enforce explicit API paths and add default output path ([#6740](#6740)) ([347bbd6](347bbd6)) * **internal/librarian:** preserve gem tools during tidy ([#6783](#6783)) ([0150007](0150007)) * **internal/librarian:** preserve maven and protoc configuration during tidy ([#6702](#6702)) ([b439528](b439528)), closes [#6558](#6558) * **internal/snippetmetadata:** disable HTML escaping in JSON output ([#6777](#6777)) ([4da5e28](4da5e28)), closes [#6776](#6776) * **librarian/rust:** detect inconsistent repos ([#6766](#6766)) ([82ce5a9](82ce5a9)) * **sidekick/swift:** missing enum value docs ([#6727](#6727)) ([e9020d2](e9020d2)) * **tool/cmd/migrate:** populate API paths from .OwlBot.yaml during migrate for php ([#6739](#6739)) ([6a15260](6a15260)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
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When an element (service, method, message, field, enum, or enum value) is deprecated in the source specification we need to generate the corresponding Swift attribute in the generated type or property.
Fixes #6602