fastify · Issues· 163 open
Open on GitHubLocally synced open issues (discussions stay on GitHub)
- #4960
TypeScript issue when passing Pino instance to fastify constructor
bugtypescriptUpdated Sep 17, 2026 - #5356
method to check if plugin version is matching the Fastify version
Updated Sep 17, 2026 - #7030
reply.trailer() breaks 204/304 (and 205, and auto-exposed HEAD) because transfer-encoding survives the bodyless branch
Updated Sep 15, 2026 - #7028
AI security review before merging runtime behavior changes
Updated Sep 14, 2026 - #7026
205 and 304 responses still send a message body
Updated Sep 13, 2026 - #7009
reply.send() types reject streams and Buffers that Fastify accepts at runtime
Updated Sep 7, 2026 - #3618
Categorize Fastify Plugins
documentationgood first issueUpdated Sep 6, 2026 - #6988
compileSerializationSchema passes null for omitted optional metadata
Updated Sep 6, 2026 - #6983
docs(Getting-Started): Install section only documents npm and yarn
Updated Sep 2, 2026 - #4967
ApplicationHooks have inconsistent reference to instance
feature requestgood first issuev5.xnotable-changeUpdated Sep 1, 2026 - #5215
Option to align route params with schema at startup
plugin suggestiongood first issueUpdated Sep 1, 2026 - #6987
compileSerializationSchema reuses the first serializer when metadata changes
Updated Aug 31, 2026 - #2748
Automate releases
feature requestUpdated Aug 27, 2026 - #6974
Route hooks binding types are broken since v5.8.0 (TypeScript only)
Updated Aug 24, 2026 - #6898
Formatting inconsistencies
discussionUpdated Aug 22, 2026