MediaWiki 1.46 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
MediaWiki 1.46 is actively supported. It reaches end of life on 31 Jul 2027.
356 days of security support left
1.46.0 latest release
10% of this branch's supported lifetime has elapsed — 30 Jun 2026 → 31 Jul 2027.
Check your versionhttps://your-server-url/mediawiki/Special:Version
Support timeline
Official dates from the MediaWiki release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 30 Jun 2026 | — |
| End of life (scheduled) | 31 Jul 2027 | in 356 days |
| Latest release | 1.46.0 · 30 Jun 2026 | current |
How much runway a newer branch buys
MediaWiki 1.46 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 1.46 |
|---|---|---|---|
| MediaWiki 1.46 | 31 Jul 2027 | 356 | this branch |
| MediaWiki 1.45 | 31 Dec 2026 | 144 | -212 days |
| MediaWiki 1.43 | 31 Dec 2027 | 509 | +153 days |
Frequently asked questions
When does MediaWiki 1.46 reach end of life?
MediaWiki 1.46 reaches end of life on 31 Jul 2027 — 356 days from now. After that date it receives no security fixes.
Is MediaWiki 1.46 still supported?
Yes. MediaWiki 1.46 is currently maintained. Latest release: 1.46.0, published 30 Jun 2026.
What happens when MediaWiki 1.46 reaches end of life?
Security fixes stop. After 31 Jul 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from MediaWiki 1.46?
356 days. This is already the newest branch, so this is the longest runway currently available.