What's new in Firefox Beta for Testers 147.0b4

From version 142.0b3:

- We enabled domain highlighting in the URL bar, making it clearer what is the actual website you are visiting.
- When reading a local PDF, the Share button will now let you share the file itself.
- following languages are now available for translation:
Arabic
Albanian
Chinese
Gujarati
Hebrew
Hindi
Japanese
Kannada
Korean
Malay
Malayalam
Persian
Russian
Telugu

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About Firefox Beta for Testers 147.0b4

Firefox Beta for Testers 147.0b4 screenshots (7)

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This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
147.0b4 BUNDLE 10 S
2016132151
December 15, 2025
universal
Android 8.0+
120-640dpi
All Releases
Firefox Beta for Testers 148.0b15

Version:148.0b15

Uploaded:February 13, 2026 at 2:56PM UTC

File size:56.33 MB

Downloads:57

Firefox Beta for Testers 148.0b14

Version:148.0b14

Uploaded:February 11, 2026 at 3:41PM UTC

File size:56.24 MB

Downloads:38

Firefox Beta for Testers 148.0b13

Version:148.0b13

Uploaded:February 9, 2026 at 2:38PM UTC

File size:56.15 MB

Downloads:36

Firefox Beta for Testers 148.0b12

Version:148.0b12

Uploaded:February 6, 2026 at 3:04PM UTC

File size:56.13 MB

Downloads:51

Firefox Beta for Testers 148.0b11

Version:148.0b11

Uploaded:February 4, 2026 at 2:45PM UTC

File size:56.13 MB

Downloads:24

Firefox Beta for Testers 148.0b10

Version:148.0b10

Uploaded:February 2, 2026 at 3:14PM UTC

File size:56.06 MB

Downloads:41

Firefox Beta for Testers 148.0b9

Version:148.0b9

Uploaded:January 30, 2026 at 2:55PM UTC

File size:56.02 MB

Downloads:29

Firefox Beta for Testers 148.0b8

Version:148.0b8

Uploaded:January 28, 2026 at 2:55PM UTC

File size:56.02 MB

Downloads:33

Firefox Beta for Testers 148.0b7

Version:148.0b7

Uploaded:January 26, 2026 at 3:09PM UTC

File size:56.02 MB

Downloads:33

Firefox Beta for Testers 148.0b6

Version:148.0b6

Uploaded:January 23, 2026 at 2:43PM UTC

File size:56 MB

Downloads:52

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