Document breaking change: DefaultAzureCredential defaults to ManagedIdentityCredential on ACA and App Service #5303
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Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com>
Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com>
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[WIP] Fix breaking change issue outlined in issue 5154
Document breaking change: DefaultAzureCredential defaults to ManagedIdentityCredential on ACA and App Service
Oct 17, 2025
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October 17, 2025 14:36
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This looks good to me. Let's have @eerhardt verify it too.
docs/compatibility/13.0/defaultazurecredential-managedidentity-default.md
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* Document ClaimActions configuration for dashboard OpenID Connect authentication (#5192) * Initial plan * Document ClaimActions configuration for dashboard OIDC authentication Co-authored-by: JamesNK <303201+JamesNK@users.noreply.github.com> * Apply suggestion from @JamesNK * Apply suggestion from @JamesNK * Apply suggestion from @JamesNK * Update configuration.md --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: JamesNK <303201+JamesNK@users.noreply.github.com> Co-authored-by: James Newton-King <james@newtonking.com> * Document breaking change: DefaultAzureCredential defaults to ManagedIdentityCredential on ACA and App Service (#5303) * Initial plan * Add breaking change documentation for DefaultAzureCredential in 13.0 Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Fix markdown linting error - add blank line before list Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update docs/compatibility/13.0/defaultazurecredential-managedidentity-default.md --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: David Pine <david.pine@microsoft.com> * Update Azure AI Foundry and GitHub Models documentation to use strongly-typed model constants (#5302) * Initial plan * Update documentation to use AIFoundryModel and GitHubModel constants Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update compatibility matrix to use GitHubModel constant Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Apply suggestions from code review --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: David Pine <david.pine@microsoft.com> * Update environment variable format to polyglot-friendly pattern (#5320) * Initial plan * Update environment variable format to polyglot-friendly pattern Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update AppHost project documentation for Aspire 13.0 SDK format (#5319) * Initial plan * Update AppHost project section to show new SDK format for Aspire 13.0 Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Add AddCSharpApp and CSharpAppResource documentation to app-host-overview.md (#5318) * Initial plan * Add AddCSharpApp and CSharpAppResource documentation to app-host-overview.md Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Apply suggestions from code review * Update docs/fundamentals/app-host-overview.md --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: David Pine <david.pine@microsoft.com> * Add breaking changes documentation for pipeline activity reporter API rename (PR #12137) (#5310) * Initial plan * Add breaking changes article for PR #12137 and update documentation Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Fix parameter naming consistency in breaking change examples Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Fix cross reference warnings by using inline code formatting Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: David Pine <david.pine@microsoft.com> * Add documentation for ASPIREPIPELINES001, ASPIREPIPELINES002, and ASPIREPIPELINES003 diagnostics (#5359) * Initial plan * Add documentation for three new pipeline-related diagnostics Co-authored-by: captainsafia <1857993+captainsafia@users.noreply.github.com> * Fix ms.date to reflect current date in diagnostic documentation Co-authored-by: captainsafia <1857993+captainsafia@users.noreply.github.com> * Update diagnostic codes to use ASPIREPIPELINES001-003 instead of mixed naming scheme Co-authored-by: captainsafia <1857993+captainsafia@users.noreply.github.com> * Add ASPIREPIPELINES001-003 diagnostics to TOC Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: captainsafia <1857993+captainsafia@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Add Aspire MCP docs (#5446) * Update configuration * Document deployment state caching (#5301) * Initial plan * Add local deployment state documentation Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Address feedback: Add intros, italicize paths, add CI/CD example Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Rename and relocate deployment state doc outside Azure section Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Clarify cache save behavior in GitHub Actions example Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Add certificate trust customization article for Aspire 13 (#5311) * Initial plan * Add certificate trust customization article Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Fix cross-reference title to match actual article title Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Address PR feedback: update API examples, add runtime callout, document default scopes Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update callback APIs to use async Task and simplified context objects Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Replace deprecated callback APIs with new simplified APIs Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update documentation for new polyglot environment variables (issue #5308) (#5313) * Initial plan * Update documentation with new polyglot environment variable format Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Add clarification about resource names in environment variables Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Improve clarity of note about connection name parameter Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> * Update docs/fundamentals/app-host-overview.md --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: David Pine <david.pine@microsoft.com> * Update documentation for Aspire 13 release * Apply suggestions from code review Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * fix: build --------- Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com> Co-authored-by: JamesNK <303201+JamesNK@users.noreply.github.com> Co-authored-by: James Newton-King <james@newtonking.com> Co-authored-by: IEvangelist <7679720+IEvangelist@users.noreply.github.com> Co-authored-by: captainsafia <1857993+captainsafia@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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This PR documents a breaking change in Aspire 13.0 where
DefaultAzureCredentialbehavior changes when deploying to Azure Container Apps and Azure App Service.Background
With dotnet/aspire#11832, Aspire now automatically sets the
AZURE_TOKEN_CREDENTIALSenvironment variable when deploying to Azure Container Apps and Azure App Service. This forcesDefaultAzureCredentialto only useManagedIdentityCredentialinstead of trying the full chain of credential providers (EnvironmentCredential,WorkloadIdentityCredential, thenManagedIdentityCredential).Changes Made
This PR adds comprehensive documentation for this breaking change:
docs/compatibility/13.0/folder structure - New directory for Aspire 13.0 breaking changesdefaultazurecredential-managedidentity-default.mdwith:EnvironmentCredentialorWorkloadIdentityCredentialinstead ofDefaultAzureCredentialAZURE_TOKEN_CREDENTIALSenvironment variable viaPublishAsAzureContainerApporPublishAsAzureAppServicecallbacksAddAzureContainerAppEnvironment,AddAzureAppServiceEnvironment)docs/compatibility/13.0/index.mdfor the 13.0 breaking changesdocs/compatibility/toc.ymlDocumentation Quality
.github/prompts/breaking-change.mdai-usage: ai-assistedfrontmatter as requiredFixes #5154
Original prompt
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.
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