Firefox 149.0.2 Download for Mac

You are about to download Firefox, Version ( 149.0.2 ) for Mac.

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All you need to know about this download

Version: 149.0.2
Last updated: 07 April, 2026
Supported OS: macOS 10.12 Sierra or later
File Name: Firefox%20149.0.2.dmg
File Size: 143 MB
File Hash Code: 3c4f90c4d8e52ded2ab3c173323d57c9f2943b448d05cb68f938760bb56d524f
Firefox 149.0.2 is scanned using 58 antivirus apps (Check VirusTotal Scan Report)
After clicking on start download, this application will start downloading from Official Server
The file is in its Orginal Form. Fileion does not bundle or repack or modify downloads in any way.

Installing Process

How to Install Firefox 149.0.2 on Mac: Step-by-Step Guide

1

STEP 1

To get it, click the button above for macOS

2

STEP 2

Open the downloaded ".dmg" file

3

STEP 3

Drag the Firefox icon into the Applications folder

4

STEP 4

Launch Firefox from the Applications folder and set it as your default browser if desired

Change Log

Firefox for Mac Change Log

Checkout what's new in Firefox for Mac Version (149.0.2)

Mozilla Firefox 149.0.2 was released on April 7, 2026. This update focuses on security fixes and resolves several issues affecting performance, layout, and overall browser functionality.

Improvements & Fixes

Implemented various security fixes to enhance browser safety.
Fixed an issue where web page elements (such as drop-down menus) did not display correctly when printing.
Resolved a problem where website error pages showed generic messages instead of specific server error details.
Fixed a crash related to security keys and WebAuthn authentication.
Fixed an issue on Linux where the toolbar could become unresponsive after dragging a tab using Wayland.
Corrected a layout issue with misaligned text inside SVG graphics.
Fixed a problem where "Send to device" did not work from the Open Tabs section in Firefox View.