Ubuntu
thunderbird package

  1. Bug #490935
  2. Comment #110

Comment 110 for bug 490935

Revision history for this message
tellapu (tellapu) wrote :

I could download and activate the legacy WebExtension version of the add-on Header Tools Lite and it worked on TB 68.4.1:
https://addons.thunderbird.net/en-US/thunderbird/addon/headertools-lite/