Log Message:
thunderbird: Update to 115.4.3

* Use internal icu to fix the runtime errors in calendar.

Changelog:
115.4.3:
Fixes

fixed
Forwarding multiple messages as attachments failed

fixed
Message list scrolling fixes

fixed
Some text remained incorrectly visible in the message list when using "Grouped
By" sorting

fixed
Subject lines were excessively indented in "Grouped by" views

fixed
"Open Message in Conversation" was incorrectly enabled for selections of
multiple messages

fixed
States of collapsed and expanded threads were not maintained when switching
folders

fixed
Pressing "n" to move to the next unread message on an unread, \ 
collapsed thread
opened the thread and selected the second message instead of the first

fixed
Search Folders dialog improvements

fixed
"Read Messages" button in Account Central did not retrieve mail from POP
accounts

fixed
Events canceled by the organizer were incorrectly sent cancelation message

115.4.2:
Fixes

fixed
No messages or calendar items were displayed on startup

fixed
Toolbar & Folder View widget fixes

fixed
Insert image dialog was not properly sized on some localized builds

fixed
The "unencrypted subject" icon was always briefly displayed when \ 
replying to a
message

fixed
RSS feeds with lengthy attachment filenames cut off visible content

fixed
RSS feeds with no favicon displayed default icon in the folder color

fixed
NNTP messages that were previously downloaded were not displayed if the server
went offline

fixed
Vcard photos were not imported when using opening the file with Thunderbird

fixed
Publishing calendars to invalid URLs did not display a helpful error

fixed
Publishing calendar events via authenticated WebDAV failed

fixed
Converting a message to an event failed when the message pane was not displayed

fixed
Redirect dialog displayed for WebDAV calendars was too small

fixed
Visual and Theme improvements

115.4.1:
What's New

new
"Manage Newsgroups Subscription" now displayed on Account Central when \ 
using
newsgroups

Fixes

fixed
Manually configured authentication methods on accounts did not always persist

fixed
"Send Autocrypt key in header" preference was available on accounts with no
encryption key

fixed
SHA-1 certificates were not accepted in Thunderbird 115; acceptance of SHA-1
messages can now be enabled via optional preference

fixed
Various Flatpak enhancements

fixed
Opening folder in new tab by clicking scroll wheel/middle mouse button did not
work in Folder Pane

fixed
Message list did not automatically scroll to new messages when switching
folders

fixed
"Move/Copy to again" was sometimes displayed in the folder context \ 
menu when it
should not have been

fixed
Multiple message drafts or message templates could not be opened simultaneously
for editing

fixed
Tools > Filters dialog did not open in Unified Folder view if no messages were
selected

fixed
Printing dialog could be opened, even with no messages selected

fixed
"From" address was editable when creating a new message from a \ 
template if the
account identity contained Unicode characters

fixed
Opening a saved .eml file in compose window did not preserve message subject
from file

fixed
Replying to some plaintext messages with desired quote selected in original
message did not preserve formatting of quote

fixed
"Edit as New", "Reply", and "Redirect" could not \ 
be used on multiple messages
simultaneously

fixed
"Reply to List" option was always enabled, even with no list to reply to

fixed
"Archive" button in message pane was enabled on messages that could not be
archived

fixed
"Followup-To" label was incorrectly labeled as "Newsgroups"

fixed
"Save image as" option did not work for RSS feed items displayed as a \ 
webpage

fixed
OTR verification dialog was blank, preventing verification of OTR chat sessions

fixed
Calendar event import failed for some ICS files

fixed
Permission description strings were missing from Add-Ons Manager

fixed
Various visual fixes

fixed
Security fixes

Security fixes:
Mozilla Foundation Security Advisory 2023-47
#CVE-2023-5721: Queued up rendering could have allowed websites to clickjack
#CVE-2023-5732: Address bar spoofing via bidirectional characters
#CVE-2023-5724: Large WebGL draw could have led to a crash
#CVE-2023-5725: WebExtensions could open arbitrary URLs
#CVE-2023-5726: Full screen notification obscured by file open dialog on macOS
#CVE-2023-5727: Download Protections were bypassed by .msix, .msixbundle,
 .appx, and .appxbundle files on Windows
#CVE-2023-5728: Improper object tracking during GC in the JavaScript engine
 could have led to a crash.
#CVE-2023-5730: Memory safety bugs fixed in Firefox 119, Firefox ESR 115.4, and
 Thunderbird 115.4.1

115.3.3:
Fixes

fixed
Modifier keys did not work as expected when dragging a message over the folder
tree on macOS

fixed
"Folder Location" toolbar button did not work for local folders

fixed
"Copy to again" option disappeared from context menu after copying to Gmail
folder with non-ASCII name

fixed
Default reply identity did not use "Delivered-To" address when \ 
catch-all was
active

fixed
"View Headers All" did not work when selected in standalone message window

fixed
Viewing the mail filter log displayed an error if no log file was present

115.3.2:
Fixes

fixed
"Open in conversation" did not open messages in a thread view

fixed
News messsage with non-ASCII author name were incorrectly canceled

fixed
Localized "Re: " prefix was not stripped from news messages

fixed
Thunderbird attempted to load accounts missing server hostname, causing blank
3-pane window

fixed
Permission description strings were missing from Add-Ons Manager

fixed
Card View displayed incorrect recipient name for mail and news accounts,
depending on folder

fixed
Spell check dictionary dialog sometimes pushed Close button out of view

fixed
Importing calendars from iCal files did not work under certain circumstances

fixed
Calendar invitations were not sent to event participants, only organizer

fixed
Calendar alarm dialogs with lengthy descriptions pushed buttons out of view

fixed
Various visual fixes

115.3.1:
Fixes

fixed
In Unified Folders view, some folders had incorrect unified folder parent

fixed
"Edit message as new" did not restore encrypted subject from selected \ 
message

fixed
Importing some CalDAV calendars with yearly recurrence events caused
Thunderbird to freeze

fixed
Security fixes

Mozilla Foundation Security Advisory 2023-44
#CVE-2023-5217: Heap buffer overflow in libvpx

115.3.0:
Fixes

fixed
Thunderbird could not import profiles with hostname ending in dot (".")

fixed
Message header was occasionally missing in message preview

fixed
Setting an existing folder's type flag did not add descendant folders to the
Unified Folders view

fixed
Thunderbird did not always delete all temporary mail files, sometimes
preventing messages from being sent

fixed