# Firefox changelog

> The independent browser, backed by a non-profit.

- Vendor: Mozilla
- Category: Browsers
- Official site: https://www.firefox.com
- Tracked by: What's New (https://whatsnew.fyi/product/firefox)
- Harvested from: Release index (firefox)
- Entries below: 17 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

## Releases

### 153.0.1

- Date: 2026-07-28
- Version: 153.0.1
- Original notes: https://www.mozilla.org/en-US/firefox/153.0.1/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0.1

### 154.0b3

- Date: 2026-07-27
- Version: 154.0b3
- Original notes: https://www.mozilla.org/en-US/firefox/154.0b3/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/154.0b3
- Labels: Pre-release

### 154.0b2

- Date: 2026-07-24
- Version: 154.0b2
- Original notes: https://www.mozilla.org/en-US/firefox/154.0b2/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/154.0b2
- Labels: Pre-release

### 154.0b1

- Date: 2026-07-22
- Version: 154.0b1
- Original notes: https://www.mozilla.org/en-US/firefox/154.0b1/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/154.0b1
- Labels: Pre-release

### 153.0

- Date: 2026-07-21
- Version: 153.0
- Original notes: https://www.mozilla.org/en-US/firefox/153.0/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0

### 115.38.0esr

- Date: 2026-07-21
- Version: 115.38.0esr
- Original notes: https://www.mozilla.org/en-US/firefox/115.38.0esr/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/115.38.0esr

### 153.0esr

- Date: 2026-07-21
- Version: 153.0esr
- Original notes: https://www.mozilla.org/en-US/firefox/153.0esr/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0esr

### 140.13.0esr

- Date: 2026-07-21
- Version: 140.13.0esr
- Original notes: https://www.mozilla.org/en-US/firefox/140.13.0esr/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/140.13.0esr

### 153.0b13

- Date: 2026-07-15
- Version: 153.0b13
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b13/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b13
- Labels: Pre-release

### 152.0.6

- Date: 2026-07-14
- Version: 152.0.6
- Original notes: https://www.mozilla.org/en-US/firefox/152.0.6/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/152.0.6

### 153.0b12

- Date: 2026-07-13
- Version: 153.0b12
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b12/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b12
- Labels: Pre-release

### 153.0b11

- Date: 2026-07-10
- Version: 153.0b11
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b11/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b11
- Labels: Pre-release

### 153.0b10

- Date: 2026-07-08
- Version: 153.0b10
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b10/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b10
- Labels: Pre-release

### 152.0.5

- Date: 2026-07-07
- Version: 152.0.5
- Original notes: https://www.mozilla.org/en-US/firefox/152.0.5/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/152.0.5

### 153.0b9

- Date: 2026-07-06
- Version: 153.0b9
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b9/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b9
- Labels: Pre-release

### 153.0b8

- Date: 2026-07-03
- Version: 153.0b8
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b8/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b8
- Labels: Pre-release

### 153.0b7

- Date: 2026-07-01
- Version: 153.0b7
- Original notes: https://www.mozilla.org/en-US/firefox/153.0b7/releasenotes/
- Permalink: https://whatsnew.fyi/product/firefox/releases/153.0b7
- Labels: Pre-release