fix!: avoid merging prepared headers when a Response is not ok#1228
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Response is not okResponse is not ok
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This was referenced Jul 18, 2026
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Follow-up on #1226
When a direct
Responseis returned from handlers and it is notok, merging prepared headers can potentially be dangerous or at least unwanted (since prepared headers are meant for OK responses, and not errors)If merging is really desired, a custom error handler can merge (all or partially)
event.res.headersto the final error Response. (example)