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Setting a custom User Agent breaks Desktop mode toggle after removing the Custom User Agent #619

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Description

@MarGar12

Describe the bug
After setting a custom user agent and removing it, the desktop toggle no longer works until the browser profile is fully reset or when creating a new profile

To Reproduce
Steps to reproduce the behavior:

  1. Go to Settings
  2. Go to Advanced
  3. Set any Custom User Agent
  4. Remove Custom User Agent
  5. Try the Desktop mode toggle

Expected behavior
User Agent changes to a desktop user agent for sites to detect after using a Custom User Agent

Videos
https://files.muppie.xyz/Shares/8dnfjshit9gd/screen-20260914-081244-1789344666446.mp4

Device / App (please complete the following information):

  • Device: Xiaomi Redmi Note 13 Pro 5G
  • OS: Android 16 QPR2 (LineageOS 23.2)
  • App Version: v0.30.0
  • Exists in the latest alpha release

Additional context
Here is my WebLibre config json, if needed
weblibre-settings_2026-09-14_083547.json

Activity

  1. changed the title [-]Setting a custom user agent breaks Desktop mode toggle[/-] [+]Setting a custom User Agent breaks Desktop mode toggle after removing the Custom User Agent[/+] on Sep 14, 2026
  2. FaFre commented on Sep 22, 2026

    @FaFre
    Owner

    Thanks for the detailed report! Please wait for the alpha-3 release (planned later today) and let me know if it is also fixed on your side now.

  3. MarGar12 commented on Sep 26, 2026

    @MarGar12
    Author

    Thanks for the detailed report! Please wait for the alpha-3 release (planned later today) and let me know if it is also fixed on your side now.

    I forgot to mention this but its fixed now!

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