NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
npm · #3228 most downloaded on npm
Stringify your JSON at max speed
Last release 2 months ago
09 Jul 2026
Release timing varies
gaps range from 2 weeks to 8 months
Nearly every release is documented
notes for 59 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
168 releases · first in 2016
📚 PR: - Minor speed improvements
📚 PR:
fix: ajv validation oneOf anyOf
📚 PR:
handle enum property when type is not specified
📚 PR:
One column per quarter.
ci: add nodejs v16 to test matrix
📚 PR:
docs(readme): minor grammatical fixes
📚 PR:
📚 PR: - feat: move to tap 15 (#313) - Add check for $ref needing AJV
📚 PR:
Bump fastify/github-action-merge-dependabot from v1.2.1 to v2.0.0
📚 PR:
📚 PR: - fix side effect on items $ref
📚 PR:
chore(gitignore): use latest github ignore template
📚 PR:
support for empty schemas in additionalProperties
📚 PR:
📚 PR: - add options paragraph
📚 PR:
📚 PR: - support for empty schemas
📚 PR:
chore: resolve linting rules | let & const
📚 PR:
Fix: Omit all Non-JSON schema applicable properties from codegen
📚 PR:
chore: add dependabot automerge
📚 PR:
Bump standard from 14.3.4 to 15.0.0
📚 PR:
fix: passing null object to type array defaults to empty array
📚 PR:
feat: simultaneously test example
📚 PR:
Checks if key value is undefined in isEmpty function
📚 PR:
📚 PR: - fix multi default
📚 PR:
Bump typescript from 3.9.7 to 4.0.2
📚 PR:
Fix relative json paths in external schema
📚 PR:
Adds additional anyOf example for objects.
📚 PR:
Remove all known code executions d77dba4
📚 PR:
fix missing closing-parenthesis in code examples
📚 PR:
feat: add required check for object key not in properties
📚 PR:
📚 PR: - Replace "@" with "AT_SYMBOL"
📚 PR:
📚 PR: - Update benchmarks (#220) - Support $ref in allOf
📚 PR:
Drop unsupported LTS releases, updated dependencies
Remove all known code executions d2faff4
📚 PR: - Replace "@" with "AT_SYMBOL"
📚 PR:
serializing null value crash fix
📚 PR:
📚 PR: - add debug mode
📚 PR:
Drop greenkeeper for dependabot
📚 PR:
Issue #203 - Move to Github Actions
📚 PR:
Issue #208 making else non mandatory
📚 PR:
pass full schema to buildObject if $ref is defined at the top level
📚 PR:
chore(package): update semver to version 7.1.0
📚 PR:
Serialize additional properties at the end of the json - #206
Fixes:
Improve the debugging experience in case of a bad reference - #202
Fixes:
Features: - Added BigInt support - #197
Features:
Fix relative ref resolving issue
📚 PR:
📚 PR: - Support nested $ref-erences
📚 PR:
Nothing published for this version
Check for null value before using in. #176
in. #176Nothing published for this version
📚 PR: - fix/$ref on root schema
📚 PR:
Support for external $ref plain name fragment
📚PR:
Added a note regarding the use of new Function
📚 PR:
Nothing published for this version
Fix nested anyOfs using objects #157
Add support for nullable values https://github.com/fastify/fast-json-stringify/pull/153
well formed unicode string #151
Nothing published for this version
Make integer handling consistent (revert some of #144) #146
* Correct integer handling #134
* Add schema name to error #140
Fix ref/to https://github.com/fastify/fast-json-stringify/pull/137
Better support for null values, adding nullable #131 #130
Fix anyOf with both array and object types #128
Your coding agent can read these notes before it upgrades. Set up the MCP server →