Download Mozilla Thunderbird 115.10.0

Fixes
Creating a tag in General Settings with a number as the tag name did not work
Quick Filter button selections did not persist after restart
Collapsing and expanding message list headers sometimes caused header to scroll out of view
Single message with no children inside a parent thread sometimes displayed incorrectly as a thread with a duplicate of itself as its child
"Get selected messages" menu items did not work
"Download and Sync Messages" dialog was too short when using Russian locale, obscuring OK button
After changing password on an IMAP account, the account could become locked due to too many failed login attempts
Retrieving multiline POP3 message from server failed if message chunk ended in newline instead of carriage return and newline
IMAP, POP3, and SMTP Exchange autoconfiguration did not support encryption configuration
Non-empty address book search bar interfered with displaying/editing contacts
Deleting attendees from "Invite Attendees" view removed attendees from view, but not from invite
Splitter arrow between task list and task description did not behave as expected
Performance improvements and code cleanup
Security fixes