Firefox 78 end of life (EOL) date and support status
End of life End of life since 2021-11-02 (1801 days ago)
Upgrade: Firefox 78 no longer receives fixes. Supported cycles: 157, 153, 115.
| Product | Firefox |
|---|---|
| Version cycle | 78 |
| Status | End of life |
| Released | 2020-06-30 |
| LTS | yes |
| Active support until | — |
| End of life | 2021-11-02 |
| Latest version | 78.15.0 (2021-10-05) |
| Last verified | 2026-10-08 |
All Firefox versions → · Source: endoflife.date
Frequently asked questions
Is Firefox 78 end of life?
Yes. End of life since 2021-11-02 (1801 days ago). It no longer receives security or bug fixes.
When does Firefox 78 reach end of life?
Firefox 78 reached end of life on 2021-11-02.
When was Firefox 78 released?
Firefox 78 was first released on 2020-06-30.
What is the latest Firefox 78 version?
The latest 78 release is 78.15.0, published on 2021-10-05.
Is Firefox 78 an LTS release?
Yes.
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