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feat: Upgrade protobuf runtime and gen code to 4.33.x (#4000)#4074
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Protobuf-java v4.33 restored gen code compatibility to 3.0.0. Upgrade protobuf runtime and gen code to 4.33 should have minimum risks now. See [go/cloud-java:protobuf-4.x-upgrade](http://goto.google.com/cloud-java:protobuf-4.x-upgrade) for details. --------- Co-authored-by: cloud-java-bot <cloud-java-bot@google.com> Co-authored-by: Diego Marquez <diegomarquezp@google.com>
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This pull request successfully upgrades the Protobuf runtime and regenerates the associated Java code to version 4.33.x. The changes observed across the various .java and .Dockerfile files are consistent with a standard Protobuf version upgrade, including API changes in GeneratedMessage and GeneratedMessageV3 classes, new runtime version validation, and internal optimizations for repeated fields. The pom.xml also correctly reflects the new Protobuf dependency version. No issues were found that require specific comments.
JoeWang1127
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Jan 22, 2026
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diegomarquezp
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Jan 22, 2026
JoeWang1127
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Jan 23, 2026
🤖 I have created a release *beep* *boop* --- <details><summary>2.66.0</summary> ## [2.66.0](v2.65.1...v2.66.0) (2026-01-23) ### Features * Upgrade protobuf runtime and gen code to 4.33.x ([#4000](#4000)) ([#4074](#4074)) ([3e37376](3e37376)) ### Dependencies * Downgrade opentelemetry to 1.51.0 ([#4075](#4075)) ([cf65482](cf65482)) * update auth library to 1.42.0 ([#4087](#4087)) ([ad9ee07](ad9ee07)) * update googleapis/java-cloud-bom digest to ef3656d ([#3630](#3630)) ([790bcf0](790bcf0)) * update http-client to 2.1.0 ([#4086](#4086)) ([d8bc8f5](d8bc8f5)) </details> --- 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>
lqiu96
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Feb 12, 2026
Protobuf-java [v4.33.x](https://github.com/protocolbuffers/protobuf/releases/tag/v33.0) restored gen code compatibility to 3.0.0. Upgrade protobuf runtime and gen code to 4.33.x should have minimum risks now. See [go/cloud-java:protobuf-4.x-upgrade](http://goto.google.com/cloud-java:protobuf-4.x-upgrade) for details. --------- Co-authored-by: cloud-java-bot <cloud-java-bot@google.com> Co-authored-by: Diego Marquez <diegomarquezp@google.com>
lqiu96
pushed a commit
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Feb 12, 2026
🤖 I have created a release *beep* *boop* --- <details><summary>2.66.0</summary> ## [2.66.0](v2.65.1...v2.66.0) (2026-01-23) ### Features * Upgrade protobuf runtime and gen code to 4.33.x ([#4000](#4000)) ([#4074](#4074)) ([3e37376](3e37376)) ### Dependencies * Downgrade opentelemetry to 1.51.0 ([#4075](#4075)) ([cf65482](cf65482)) * update auth library to 1.42.0 ([#4087](#4087)) ([ad9ee07](ad9ee07)) * update googleapis/java-cloud-bom digest to ef3656d ([#3630](#3630)) ([790bcf0](790bcf0)) * update http-client to 2.1.0 ([#4086](#4086)) ([d8bc8f5](d8bc8f5)) </details> --- 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>
chingor13
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Mar 24, 2026
🤖 I have created a release *beep* *boop* --- <details><summary>2.66.0</summary> ## [2.66.0](googleapis/sdk-platform-java@v2.65.1...v2.66.0) (2026-01-23) ### Features * Upgrade protobuf runtime and gen code to 4.33.x ([#4000](googleapis/sdk-platform-java#4000)) ([#4074](googleapis/sdk-platform-java#4074)) ([fe9fdf2](googleapis/sdk-platform-java@fe9fdf2)) ### Dependencies * Downgrade opentelemetry to 1.51.0 ([#4075](googleapis/sdk-platform-java#4075)) ([b594cef](googleapis/sdk-platform-java@b594cef)) * update auth library to 1.42.0 ([#4087](googleapis/sdk-platform-java#4087)) ([62e35e5](googleapis/sdk-platform-java@62e35e5)) * update googleapis/java-cloud-bom digest to ef3656d ([#3630](googleapis/sdk-platform-java#3630)) ([0db9a4c](googleapis/sdk-platform-java@0db9a4c)) * update http-client to 2.1.0 ([#4086](googleapis/sdk-platform-java#4086)) ([c623677](googleapis/sdk-platform-java@c623677)) </details> --- 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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Protobuf-java v4.33.x restored gen code compatibility to 3.0.0. Upgrade protobuf runtime and gen code to 4.33.x should have minimum risks now. See
go/cloud-java:protobuf-4.x-upgrade for details.