CKEditor 4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
CKEditor 4 reached end of life on 30 Jun 2023. Standard support is over — security updates now require extended support, which runs to 1 Dec 2028.
Support timeline
Official dates from the CKEditor release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Nov 2012 | — |
| End of life | 30 Jun 2023 | 3.1 years ago |
| Extended support ends | 1 Dec 2028 | 845 days left |
| Latest release | 4.25.1 · 5 Feb 2025 | final |
Where to go from 4
Recommended target: CKEditor 5.
The newest actively supported branch is CKEditor 5 (latest release 48.3.1).
Frequently asked questions
Is CKEditor 4 still safe to use?
CKEditor 4 left standard support on 30 Jun 2023. It still receives security updates under extended support until 1 Dec 2028 — 845 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download CKEditor 4?
Yes — the final release (4.25.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade CKEditor 4 to?
Upgrade to CKEditor 5, the newest actively supported branch.