[Infra] Add banned API analyzers#4131
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martincostello merged 3 commits intoApr 17, 2026
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Add analyzers to prevent use of .NET APIs in production code that have preferred alternatives.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4131 +/- ##
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- Coverage 72.89% 72.69% -0.20%
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Files 460 468 +8
Lines 18213 18256 +43
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- Hits 13276 13271 -5
- Misses 4937 4985 +48 Flags with carried forward coverage won't be shown. Click here to find out more. 🚀 New features to boost your workflow:
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Pull request overview
Adds infrastructure-level banned API enforcement for production projects to steer usage toward preferred HTTP helper patterns.
Changes:
- Add
Microsoft.CodeAnalysis.BannedApiAnalyzersas a global analyzer package reference. - Introduce
build/BannedSymbols.txtand wire it into production builds viaCommon.prod.props. - Include the new banned-symbols file in the solution items.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| opentelemetry-dotnet-contrib.slnx | Adds build/BannedSymbols.txt to solution items for visibility/editing. |
| build/Common.prod.props | Registers BannedSymbols.txt as an AdditionalFiles input for analyzers in production builds. |
| build/BannedSymbols.txt | Defines banned .NET HTTP APIs and suggested alternatives. |
| Directory.Packages.props | Adds global reference to Microsoft.CodeAnalysis.BannedApiAnalyzers. |
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martincostello
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Apr 16, 2026
Fix incorrect method signatures.
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Kielek
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Apr 17, 2026
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Changes
Add analyzers to prevent use of .NET APIs in production code that have preferred alternatives.
Merge requirement checklist
Unit tests added/updatedAppropriateCHANGELOG.mdfiles updated for non-trivial changesChanges in public API reviewed (if applicable)