Unwelcome change to Thunderbird

[Peter Flynn]

On 23/04/2020 03:04, Jim wrote:
> Mint18
> Thunderbird 68.7.0
> 
> I remember seeing an update to Thunderbird awhile ago but never shut 
> Thunderbird down until today. When I restarted it the Threads Pane and 
> the Folders Pane now look like they are double spaced. So now I get half 
> as much information in the same space.

Is this the page you visited?

http://forums.mozillazine.org/viewtopic.php?f=39&t=2783789

Peter