Cache `DocumentDiagnosticAnalyzer` results by version stamp to avoid redundant typecheck on unchanged documents - #20121

Merged

T-Gro merged 7 commits into

dotnet:mainfrom

xperiandri:fix-document-diagnostic-analyzer-cache

Sep 16, 2026

Commits on Sep 11, 2026

Add version-stamp cache to FSharpDocumentDiagnosticAnalyzer to avoid recomputing diagnostics when document/project version is unchanged
xperiandri
committed
d3459cb
Perf: Refactor diagnostics cache with metadata record
xperiandri
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6f0de77
Perf: Add release notes (#20121)
xperiandri
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6837bb9
evict diagnostics cache on workspace events
xperiandri
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befb58f
Use ConditionalWeakTable for DocumentDiagnosticAnalyzer caches
xperiandri
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4dce67c
Address review: weak DocumentId cache, complete validity key, race-free update

xperiandri
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claude
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4961626
Lock on the cache table itself instead of a separate gate object

xperiandri
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claude
committed
b2aede0