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Validate response with Ajv before serializing

discussionIssues or PRs with this label will never staleIssues or PRs with this label will never stale

v5.xIssue or pr related to Fastify v5Issue or pr related to Fastify v5

Status: Open.

#4653 In fastify/fastify;

· ivan-tymoshenko opened on Apr 2, 2023

chore: onRegister reference instance in this

documentationImprovements or additions to documentationImprovements or additions to documentation

semver-majorIssue or PR that should land as semver majorIssue or PR that should land as semver major

typescriptTypeScript relatedTypeScript related

v5.xIssue or pr related to Fastify v5Issue or pr related to Fastify v5

Status: Draft (not ready).

fastify/fastifynumber 4972

#4972 In fastify/fastify;

· Uzlopak opened on Aug 13, 2023

ApplicationHooks have inconsistent reference to instance

feature requestNew feature to be addedNew feature to be added

good first issueGood for newcomersGood for newcomers

notable-changeA change that should be explicitly outlined in release notes and migration guidesA change that should be explicitly outlined in release notes and migration guides

v5.xIssue or pr related to Fastify v5Issue or pr related to Fastify v5

Status: Open.

#4967 In fastify/fastify;

· Uzlopak opened on Aug 12, 2023

The default error handler might show too much of the internals

Status: Open.

#4513 In fastify/fastify;

· mcollina opened on Jan 13, 2023

Should we move out from <code>tsd</code>?

Status: Open.

#6033 In fastify/fastify;

· mcollina opened on Mar 31, 2025