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Update MessagePack to 2.5.303 - #69369
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BrennanConroy
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September 17, 2026 22:50
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Copilot review overview
🟡 Changes recommended
The PR description is still "TODO" and should be updated to document the motivation and relevant upstream release notes for the dependency bump.
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What changed in this PR
Updates the centrally-managed MessagePack dependency version used across the repo via eng/Versions.props.
Changes:
- Bump
MessagePackVersionfrom2.5.302to2.5.303.
| File | Description |
|---|---|
| eng/Versions.props | Updates the centrally-defined MessagePackVersion property to 2.5.303. |
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| <GrpcNetClientVersion>2.64.0</GrpcNetClientVersion> | ||
| <GrpcToolsVersion>2.64.0</GrpcToolsVersion> | ||
| <MessagePackVersion>2.5.302</MessagePackVersion> | ||
| <MessagePackVersion>2.5.303</MessagePackVersion> |
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Contributor
|
Hi @BrennanConroy. This PR was just approved to be included in the upcoming servicing release. Somebody from the @dotnet/aspnet-build team will get it merged when the branches are open. Until then, please make sure all the CI checks pass and the PR is reviewed. |
wtgodbe
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Sep 21, 2026
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Nov 1, 2026
) Updated [Microsoft.AspNetCore.Mvc.Testing](https://github.com/dotnet/aspnetcore) from 9.0.20 to 9.0.22. <details> <summary>Release notes</summary> _Sourced from [Microsoft.AspNetCore.Mvc.Testing's releases](https://github.com/dotnet/aspnetcore/releases)._ ## 9.0.21 [Release](https://github.com/dotnet/core/releases/tag/v9.0.21) ## What's Changed * [release/9.0] Update branding to 9.0.21 by @vseanreesermsft in dotnet/aspnetcore#68962 * [release/9.0] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in dotnet/aspnetcore#68967 * [release/9.0] (deps): Bump src/submodules/googletest from `3940de9` to `36ba75f` by @dependabot[bot] in dotnet/aspnetcore#68919 * [release/9.0] Update OpenApi to 1.6.31 by @Youssef1313 in dotnet/aspnetcore#68837 * [release/9.0] Extract IsAuthenticated helper method by @Youssef1313 with @Copilot in dotnet/aspnetcore#68659 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#68570 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#69085 * [release/9.0] Fix h3 connection-level and stream-level abort locking by @BrennanConroy in dotnet/aspnetcore#69151 * Merging internal commits for release/9.0 by @dotnet-bot in dotnet/aspnetcore#69179 * [release/9.0] [SignalR] [Java] Fix hang when reading an HTTP response body fails by @github-actions[bot] in dotnet/aspnetcore#69208 * [release/9.0] Fix: hardening http2 to refuse newline chars on trailers and dynamic HPACK table by @BrennanConroy in dotnet/aspnetcore#69249 * [release/9.0] Scope sections E2E assertions to mounted app by @wtgodbe in dotnet/aspnetcore#69252 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#69268 * Update MessagePack to 2.5.303 by @BrennanConroy in dotnet/aspnetcore#69369 **Full Changelog**: dotnet/aspnetcore@v9.0.20...v9.0.21 Commits viewable in [compare view](https://github.com/dotnet/aspnetcore/commits). </details> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- <details> <summary>Dependabot commands and options</summary> <br /> You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot show <dependency name> ignore conditions` will show all of the ignore conditions of the specified dependency - `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself) - `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself) </details> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
github-actions Bot
pushed a commit
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Nov 1, 2026
) Updated [Microsoft.AspNetCore.Mvc.Testing](https://github.com/dotnet/aspnetcore) from 9.0.20 to 9.0.22. <details> <summary>Release notes</summary> _Sourced from [Microsoft.AspNetCore.Mvc.Testing's releases](https://github.com/dotnet/aspnetcore/releases)._ ## 9.0.21 [Release](https://github.com/dotnet/core/releases/tag/v9.0.21) ## What's Changed * [release/9.0] Update branding to 9.0.21 by @vseanreesermsft in dotnet/aspnetcore#68962 * [release/9.0] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in dotnet/aspnetcore#68967 * [release/9.0] (deps): Bump src/submodules/googletest from `3940de9` to `36ba75f` by @dependabot[bot] in dotnet/aspnetcore#68919 * [release/9.0] Update OpenApi to 1.6.31 by @Youssef1313 in dotnet/aspnetcore#68837 * [release/9.0] Extract IsAuthenticated helper method by @Youssef1313 with @Copilot in dotnet/aspnetcore#68659 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#68570 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#69085 * [release/9.0] Fix h3 connection-level and stream-level abort locking by @BrennanConroy in dotnet/aspnetcore#69151 * Merging internal commits for release/9.0 by @dotnet-bot in dotnet/aspnetcore#69179 * [release/9.0] [SignalR] [Java] Fix hang when reading an HTTP response body fails by @github-actions[bot] in dotnet/aspnetcore#69208 * [release/9.0] Fix: hardening http2 to refuse newline chars on trailers and dynamic HPACK table by @BrennanConroy in dotnet/aspnetcore#69249 * [release/9.0] Scope sections E2E assertions to mounted app by @wtgodbe in dotnet/aspnetcore#69252 * [release/9.0] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in dotnet/aspnetcore#69268 * Update MessagePack to 2.5.303 by @BrennanConroy in dotnet/aspnetcore#69369 **Full Changelog**: dotnet/aspnetcore@v9.0.20...v9.0.21 Commits viewable in [compare view](https://github.com/dotnet/aspnetcore/commits). </details> Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Update MessagePack to 2.5.303
Description
Update MessagePack to the latest version. The previous version has an advisory so we should make sure our transitive reference is on the latest (fixed) version.
Customer Impact
Don't need to update a transitive reference due to vulnerability warnings.
Regression?
Risk
3rd party package reference update to fix a vulnerability. No code changes on our side.
Verification
Packaging changes reviewed?