Electron 21 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Electron 21 reached end of life on 4 Apr 2023. It no longer receives security fixes.
Support timeline
Official dates from the Electron release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Sept 2022 | 4y ago |
| Supported ended | 4 Apr 2023 | 3y 6mo ago |
| Latest release | 21.4.4 · 4 Apr 2023 | final |
Where to go from 21
Recommended target: Electron 44 (supported until 2 Mar 2027).
The newest actively supported branch is Electron 44 (latest release 44.5.1).
Frequently asked questions
Is Electron 21 still safe to use?
Electron 21 reached end of life on 4 Apr 2023, 1,280 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Electron 21?
Yes — the final release (21.4.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Electron 21 to?
Upgrade to Electron 44, the newest actively supported branch (supported until 2 Mar 2027).