[BUG] On IronFox 147.0.4 Fission does not work.

BUG

Hi,

In IronFox 147.0.4 Fission does not work, tabs don't run in subframes.

Confirmation Checklist

  • I confirm that this issue occurs on the latest release of IronFox. You can check what the latest version is on the Releases page (https://gitlab.com/ironfox-oss/IronFox/-/releases).
  • I confirm that this issue occurs on the latest Nightly release of IronFox. You can find steps on how to find and install the latest Nightly release here.
  • I confirm that this issue has NOT already been reported on the GitLab issue tracker (https://gitlab.com/ironfox-oss/IronFox/-/issues) and/or the Codeberg issue tracker (https://codeberg.org/ironfox-oss/IronFox/issues).
  • I confirm that this issue is NOT already covered on the FAQ page (https://ironfoxoss.org/docs/faq/).
  • I confirm that this issue is NOT related to a website breakage or compatibility issue as described above.
  • I confirm that this issue does NOT occur on the latest release of Mozilla Firefox. You can find the latest APKs here: https://ftp.mozilla.org/pub/fenix/releases/.
  • I confirm that this issue does NOT occur on the latest release of Mozilla Firefox Nightly. You can find the latest APKs here: https://ftp.mozilla.org/pub/fenix/nightly/.

Android

Android 14

Version

IronFox 147.0.4

First Version

147.0.4

Add-ons

uBlock Origin, Privacy Badger, DuckDuckGo Search & Tracker Protection, Canvas Blocker, Font Fingerprint Defender, Dark Reader.

Reason

I have launched 3 web pages (in three tabs), and "about processes" in a fourth tab. The "about:processes" tab doesn't show any subframe. Same test with Firefox for Android version 147.0.4, "about:processes" does show subframes. Image "IronFox_processes.png" shows the content of IronFox "about:processes". Image "Firefox_processes.png" shows the content of Firefox "about:processes. IronFox_processesFirefox_processes

Reproduce

See above.

Regards, MN

Edited Feb 22, 2026 by MikeNavy
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