Mozilla Thunderbird 91.9.0のダウンロード

• changed A warning is now displayed if an OpenPGP key has unsafe attributes that are ignored; See support article.
• fixed OpenPGP integration in Thunderbird 91.8.0 and 91.8.1 did not allow SHA-1 key signatures
• fixed macOS disk image graphics updated
• fixed CalDAV calendars were marked read-only on startup
• fixed Task creation field on macOS incorrectly displayed a search icon
• fixed Various security fixes