Opening links in external Firefox is broken for some URLs since this commit: https://git.claws-mail.org/?p=claws.git;a=commitdiff;h=fa3c6f74e2217af644520034c45ef8cb432934ce Before I could open all our Wiki links but now https://wiki.archlinux.org/title/Lenovo_Thinkpad_T14_(AMD)_Gen_1 fails to open here, maybe due to the (). Other links to our wiki seem to work.
fixed in git