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<changelog>
    <release version="16.0b4" versioncode="41" date="2026-01-20">
        <change>OAuth SMTP authentication failed with some Microsoft servers</change>
    </release>
    <release version="16.0b3" versioncode="39" date="2025-12-17">
        <change>Application crashed on Pixel 10 Pro when returning to message list</change>
        <change>Account avatar monograms reverted to initial account name and could not be renamed</change>
    </release>
    <release version="16.0b2" versioncode="38" date="2025-12-10">
        <change>Application crashed at startup</change>
        <change>Fix various edge-to-edge issues throughout the app</change>
    </release>
    <release version="16.0b1" versioncode="37" date="2025-12-8">
        <change>Enable Memory Tagging Extension on MTE-capable devices to improve memory safety</change>
        <change>Add setting to control default folder expansion behavior</change>
        <change>Add the ability to switch between text/plain and text/html display</change>
        <change>Switching folders required an excessive number of clicks</change>
        <change>Fix various edge-to-edge issues throughout the app</change>
    </release>
    <release version="15.0b1" versioncode="35" date="2025-11-17">
        <change>Add avatar to message list content</change>
        <change>Enable in-app notifications for beta</change>
        <change>In-app error notification improvements</change>
        <change>Default sync interval has been changed from 60 minutes to 15 minutes</change>
        <change>Introduce warning in Message Compose screen when no sent folder is detected</change>
        <change>Add confirmation dialog for sending a message without a sent folder</change>
        <change>Use application icon in push notification messages</change>
        <change>&#39;Colorize contact pictures&#39; default changed unexpectedly from true to false</change>
        <change>Displaying IMAP password in plain text did not prompt for authentication</change>
        <change>Sync debug logger did not write any logs</change>
    </release>
    <release version="14.0b3" versioncode="34" date="2025-10-27">
        <change>Thunderbird could crash when deleting an account and returning to the message list</change>
    </release>
    <release version="14.0b2" versioncode="33" date="2025-10-22">
        <change>Messages could not be fetched in 14.0b1</change>
    </release>
    <release version="14.0b1" versioncode="32" date="2025-10-20">
        <change>&#39;Auto-fit messages&#39; display setting did not persist</change>
        <change>Edge-to-edge regressed moving/copying message with 3-button navigation</change>
        <change>Unified Account was displayed when there was only one account</change>
        <change>Swiping message left or right with slight downward motion aborted prematurely</change>
        <change>Crash occurred when setting archive folder via swipe after it was set to None</change>
        <change>Outlook SMTP failed to authenticate for enterprise or educational accounts</change>
        <change>Gmail folder prefixes appeared after refreshing folder list</change>
        <change>During account setup, &#39;Your Name&#39; field was mislabeled as &#39;Display Name&#39;</change>
        <change>Quiet time preferences were ignored</change>
    </release>
    <release version="13.0b5" versioncode="31" date="2025-10-13">
        <change>Reverted word-wrapping change that broke HTML and table rendering</change>
        <change>Application crashed when opening placeholder folder</change>
    </release>
    <release version="13.0b4" versioncode="30" date="2025-09-29">
        <change>Sync could cause &#34;IllegalStateException: No outbox_state entry for message id&#34; error</change>
    </release>
    <release version="13.0b3" versioncode="29" date="2025-09-22">
        <change>Updating to 13.0b2 offline with IMAP prefix caused migration failure and data loss</change>
        <change>App crashed on startup when no folders were available after data loss</change>
    </release>
    <release version="13.0b2" versioncode="28" date="2025-09-15">
        <change>On IMAP servers with folder prefixes, some folder operations stopped working</change>
    </release>
    <release version="13.0b1" versioncode="26" date="2025-09-02">
        <change>Added new design elements to Message List UI</change>
        <change>Sync logging duration is now limited to 24 hours</change>
        <change>Client certificate was not displayed in SMTP settings</change>
        <change>Outlook headers included unnecessary newlines when replying to a message</change>
        <change>&#34;Enable debug logging&#34; did not provide verbose logging</change>
        <change>Scrolling in a short email could trigger left/right swipe</change>
        <change>Scrolling only worked in center of Welcome and New Account screens (landscape)</change>
    </release>
    <release version="12.0b7" versioncode="25" date="2025-08-18">
        <change>Edge-to-edge support regressed various screens when using 3-button navigation</change>
    </release>
    <release version="12.0b6" versioncode="24" date="2025-08-11">
        <change>Enable edge-to-edge support on beta</change>
        <change>Selected/read/unread message states were hard to distinguish visually</change>
        <change>Crash occurred when attempting to access account general settings</change>
    </release>
    <release version="12.0b5" versioncode="23" date="2025-08-04">
        <change>Crash occurred when attempting to access account general settings</change>
    </release>
    <release version="12.0b4" versioncode="22" date="2025-07-28">
        <change>Testing drawer UI improvements in this beta, feedback on bugs is welcome</change>
        <change>Testing new account settings page in this beta, feedback on bugs is welcome</change>
        <change>Crash could occur when clicking on a message thread</change>
        <change>Unicode folder names were malformed when using server supporting UTF-8</change>
    </release>
    <release version="12.0b3" versioncode="21" date="2025-07-22">
        <change>Application crashed on startup if left or right swipe gesture was set to 'None'</change>
    </release>
    <release version="12.0b2" versioncode="20" date="2025-07-22">
        <change>Application crashed on startup if left or right swipe gesture was set to 'None'</change>
    </release>
    <release version="12.0b1" versioncode="19" date="2025-07-14">
        <change>Improve support for SMTPUTF8 and other UTF-8 email standards (RFC 6531, 6855)</change>
        <change>Support Android&#39;s IME autofill for password managers when adding new account</change>
        <change>Add support for avatars in account settings</change>
        <change>Long words and links in email messages did not wrap properly</change>
        <change>Swipe right to archive failed if the archive folder did not exist</change>
        <change>Edit Text dialogs in Account Settings did not automatically request focus</change>
        <change>Account Settings did not display account name</change>
        <change>In Unified Inbox, tapping a non-main account email redirected to the main inbox</change>
        <change>In dark system mode with light message theme, navigation bar was not clearly visible</change>
        <change>Threaded View toggle did not automatically update the Threaded View display</change>
        <change>Gmail prefixes were shown in the folder structure</change>
        <change>Crash could occur when adding Gmail account after removing primary Gmail account</change>
    </release>
    <release version="11.0b5" versioncode="18" date="2025-07-03">
        <change>TalkBack did not clearly announce contact picture tap action</change>
        <change>IMAP push could fail after losing and regaining network connection</change>
        <change>Fastmail OAuth expired quickly, causing frequent login prompts</change>
        <change>Some providers blocked SMTP connections when HELO hostname was 127.0.0.1</change>
    </release>
    <release version="11.0b4" versioncode="17" date="2025-06-24">
        <change>Don't cover download complete message with navigation bar</change>
        <change>Avoid a crash related to the drawer when device orientation changes</change>
    </release>
    <release version="11.0b3" versioncode="16" date="2025-06-10">
        <change>Sharing multiple selected images from gallery only selected last image</change>
        <change>Account drawer could crash when folder was selected</change>
        <change>Application could crash when fetching emails</change>
    </release>
    <release version="11.0b2" versioncode="15" date="2025-05-13">
        <change>System navigation bar did not correctly blend with message content</change>
        <change>"New Mail Notifications" setting did not persist</change>
        <change>Trailing whitespace in recipient fields caused "Incomplete input" error</change>
        <change>Navigation drawer "Show Unified inbox" setting did not work</change>
        <change>Application could crash after deleting accounts and continuing to use the app</change>
    </release>
    <release version="11.0b1" versioncode="14" date="2025-05-05">
        <change>Testing drawer improvements in this beta, feedback on bugs is welcome</change>
        <change>Option added to attach images directly from Camera</change>
        <change>Improve dark mode emails with algorithmic darkening</change>
        <change>Welcome screen logo layout improved</change>
        <change>Selection now shown on active items by adjusting color priority</change>
        <change>Folder settings now use switches instead of checkboxes</change>
        <change>Message list colors updated for better contrast</change>
        <change>Account setup issues with outlook.com and hotmail.com resolved</change>
        <change>Keyboard navigation bugs resolved</change>
        <change>Star and attachment icon colors corrected</change>
        <change>Paste of recipient lists into compose field now correctly parsed</change>
        <change>Back button now returns to Drafts folder when editing a draft</change>
        <change>Unified Inbox now appears as expected</change>
        <change>Dark and light mode switching issues resolved</change>
        <change>Scroll indicator removed following review feedback</change>
    </release>
    <release version="10.0b2" versioncode="13" date="2025-04-29">
        <change>Restrict displaying message search results to internal and system usages</change>
    </release>
    <release version="10.0b1" versioncode="12" date="2025-03-19">
        <change>Account setup prefills server field automatically</change>
        <change>Add a menu enty to empty the Spam folder</change>
        <change>Provide Slovak translation</change>
        <change>Update Gmail OAuth client IDs to Thunderbird for Android</change>
        <change>Preserve the &lt;s&gt; tag when sanitizing HTML content</change>
        <change>Messages and star counts in the drawer update instantly</change>
        <change>The drawer remembers the state of hide accounts</change>
        <change>Restart PushService after app update</change>
    </release>
    <release version="9.0b3" versioncode="11" date="2024-12-11">
        <change>Hyperlink added to Thunderbird website on funding page</change>
        <change>Use autoconfig server after MX lookup for email providers</change>
        <change>Messages are now always marked as read during archiving</change>
    </release>
    <release version="9.0b2" versioncode="10" date="2024-11-28">
        <change>Help text linking to support page added for Gmail login issues</change>
        <change>Funding text updated to be more engaging and appealing</change>
    </release>
    <release version="9.0b1" versioncode="9" date="2024-11-19">
        <change>Account initials now use the display name, improving customizability</change>
        <change>Account icons remain in the same position when selected</change>
        <change>Unified inbox enabled only when multiple accounts are configured</change>
        <change>Push service now starts reliably when expected</change>
        <change>Correct default delete message action for QR-imported accounts. Please check your fetch mail settings!</change>
        <change>Folder drawer updates properly on account configuration changes</change>
    </release>
    <release version="8.0b5" versioncode="8" date="2024-10-28">
        <change>Unread message colors are updated for better visibility</change>
        <change>You will be asked for a financial contribution once you've used the app for a while. Help us continue developing Thunderbird for Android!</change>
        <change>QR code import now suggests upgrading Thunderbird Desktop</change>
        <change>Irish translation included and 100% complete</change>
        <change>Folder drawer is no longer too wide on some devices</change>
        <change>New icon clarifies how to start a server-side email search</change>
    </release>
    <release version="8.0b4" versioncode="7" date="2024-10-21">
        <change>Monthly financial contributions are now possible—try it today!</change>
        <change>Accounts shown by default for better access to settings</change>
        <change>Added Norsk Nynorsk translations</change>
        <change>Added unread count to new folder drawer</change>
        <change>Improved first-time user experience for importing settings</change>
        <change>Shortened headers to prevent wrapping</change>
        <change>Correct saving of 'Bcc all messages' setting</change>
        <change>Better QR code import instructions</change>
    </release>
    <release version="8.0b3" versioncode="6" date="2024-10-15">
        <change>Support Thunderbird with our new in-app financial contribution feature (work in progress)</change>
        <change>OAuth support now available for Fastmail</change>
        <change>Better guidance when using the import from app feature</change>
        <change>Fixed account update issues, crashes, and improved message list spacing</change>
        <change>Enforced email validation for better identity management</change>
    </release>
    <release version="8.0b2" versioncode="5" date="2024-10-07">
        <change>Second public beta of Thunderbird for Android 8.0, based on K-9 Mail</change>
        <change>Import accounts from Desktop via QR codes</change>
        <change>Removed folder display classes</change>
        <change>Always show all folders in the Manage Folders screen</change>
        <change>Fixed top crash when removing accounts</change>
        <change>Properly aligned welcome text</change>
        <change>Updated support link to support.mozilla.org</change>
        <change>Accessibility fixes</change>
        <change>Temporarily removed telemetry</change>
    </release>
    <release version="8.0b1" versioncode="4" date="2024-09-30">
        <change>First public beta of Thunderbird for Android 8.0, based on K-9 Mail.</change>
        <change>Updated subject encryption</change>
        <change>Removed outdated folder settings</change>
        <change>Improved maintainability</change>
        <change>Added domain validation for email input</change>
        <change>Fixed TalkBack and crypto dialog crashes</change>
        <change>New Material 3 navigation &amp; updated colors</change>
        <change>Migrate settings from K-9 or Thunderbird</change>
    </release>
</changelog>
