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HTTP/2: Add automatic downgrade to HTTP/1.1 for Windows authentication#123827

Draft

Copilot wants to merge 12 commits intomaindotnet/runtime:mainfrom

copilot/fix-http2-auth-downgradedotnet/runtime:copilot/fix-http2-auth-downgradeCopy head branch name to clipboard

Conversation Commits12 (12)Checks Files changed

Draft

HTTP/2: Add automatic downgrade to HTTP/1.1 for Windows authentication#123827
Copilot wants to merge 12 commits intomainfrom
copilot/fix-http2-auth-downgrade

Commits

Commits on Jan 31, 2026

Initial plan
Copilot
committed
Add HTTP/2 Windows auth downgrade to HTTP/1.1 support

Copilot
and
MihaZupan
committed
Fix resource string in HTTP/2 auth downgrade
Copilot
committed
Add test for HTTP/2 Windows auth downgrade scenario

Copilot
and
MihaZupan
committed
Fix test compilation errors

Copilot
and
MihaZupan
committed
Address code review feedback

Copilot
and
MihaZupan
committed
Fix handler disposal in test

Copilot
and
MihaZupan
committed
Fix race condition and response handling for HTTP/2 auth downgrade

Copilot
and
MihaZupan
committed
Simplify retry logic to only retry requests without content

Copilot
and
MihaZupan
committed
Check version policy before throwing to avoid breaking existing behavior

Copilot
and
MihaZupan
committed
Remove trailing whitespace
MihaZupan
authored
More spaces
MihaZupan
authored

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