Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Este fío arquivouse. Faga unha nova pregunta se precisa axuda.

Very slow Thunderbird start up - even in Trouble Shoot mode

  • 2 respostas
  • 0 have this problem
  • 18 views
  • Last reply by Wayne Mery

camerojo
camerojo
more options

This is a new install on Mac OSX Ventura 13.4

It is also slow in Trouble Shoot mode.

I have hardware acceleration turned off.

This is a new install on Mac OSX Ventura 13.4 It is also slow in Trouble Shoot mode. I have hardware acceleration turned off.

All Replies (2)

camerojo
camerojo Question owner
more options

Here is a startup profile: https://share.firefox.dev/44jM2xK

It was generated as described here: https://support.mozilla.org/en-US/kb/profiling-thunderbird-performance#w_profiling-thunderbird-startup-and-shutdown

camerojo modificouno o

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor
more options

The issue is Mac address book. See workaround at https://bugzilla.mozilla.org/show_bug.cgi?id=1810313#c4 (Also https://bugzilla.mozilla.org/show_bug.cgi?id=1831673)