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Development Timeline
7 chapters · AI-identified milestones
Chapter 1Nov 2016 – Nov 2017
Chapter 1: November 2016
0 commits were made during this phase of development.
0 commits
v15.4.0, v15.4.1, v15.4.2
Chapter 2Nov 2017 – Feb 2019
Chapter 2: November 2017
0 commits were made during this phase of development.
0 commits
v16.2.0, v16.3.0, v16.3.1
Chapter 3Feb 2019 – Nov 2019
Chapter 3: February 2019
0 commits were made during this phase of development.
0 commits
v16.8.0, v16.8.1, v16.8.2
Chapter 4Nov 2019 – Oct 2024
Chapter 4: November 2019
0 commits were made during this phase of development.
0 commits
16.12.0 (November 14, 2019), 16.13.0 (February 26, 2020), 16.13.1 (March 19, 2020)
Chapter 5Oct 2024 – Jan 2026
Chapter 5: October 2024
190 commits were made during this phase of development.
190 commits
eslint-plugin-react-hooks@5.0.0 (Oct 11, 2024), 19.0.0 (December 5, 2024), 19.1.0 (March 28, 2025)
New:
+6 more
Key commits
[compiler] Improve display of errors on multi-line expressions (#34963)
[playground] Upgrade playwright (#34991)[script] Add yarn generate-changelog (#34962)
[Flight] Don't hang after resolving cyclic references (#34988)[rn] delete the legacy renderers from the sync (#34946)Chapter 6Jan 2026 – Jul 2026
Chapter 6: January 2026
290 commits were made during this phase of development.
290 commits
19.0.4 (January 26th, 2026), 19.1.5 (January 26th, 2026), 19.2.4 (January 26th, 2026)
New:
![dependabot[bot]](https://avatars.githubusercontent.com/in/29110?v=4)
Key commits
[flags] make enableComponentPerformanceTrack static everywhere (#35629)[Flight] Add more DoS mitigations to Flight Reply, and harden Flight (#35632)[Flight] Fix react-markup types for server references (#35634)[tests] remove withoutStack from assertConsole helpers (#35498)[Perf Tracks] Handle arrays with bigints in deep objects (#35648)Chapter 7Jul 2026 – Jul 2026
Chapter 7: July 2026
19 commits were made during this phase of development.
19 commits
19.0.8 (July 21st, 2026), 19.1.9 (July 21st, 2026), 19.2.8 (July 21st, 2026)
Languages
Key commits
[FlightReply] Performance improvements when decoding (#37090)
[Flight] Limit fake JSX call site stacks to 10 frames (#37086)
[react-server-dom-turbopack] Support experimental array format for chunks (#37095)[DevTools] Harden Bridge and Wall lifecycle types (#37049)[DevTools] Shut down standalone Bridge on socket close (#37076)500 commits across 7 chapters
Last push: Jul 2026