Release: Thunderbird 12.0

Author: thunderbird-botmobile[bot]

app-metadata/net.thunderbird.android/en-US/changelogs/14.txt

@@ -0,0 +1,8 @@
+Thunderbird for Android version 12.0, based on K-9 Mail. Changes include:
+- Support Android IME autofill for password managers
+- Add support for avatars in account settings
+- Enable edge-to-edge support
+- Long words and links in email messages did not wrap properly
+- Swipe right to archive failed if archive folder did not exist
+- Gmail prefixes were shown in the folder structure
+- Unicode folder names were malformed when using server supporting UTF-8

app-thunderbird/build.gradle.kts

@@ -17,7 +17,7 @@ android {
         applicationId = "net.thunderbird.android"
         testApplicationId = "net.thunderbird.android.tests"
 
-        versionCode = 13
+        versionCode = 14
         versionName = "12.0"
 
         buildConfigField("String", "CLIENT_INFO_APP_NAME", "\"Thunderbird for Android\"")

app-thunderbird/src/release/res/raw/changelog_master.xml

@@ -1,6 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
 <?xml-stylesheet type="text/xsl" href="changelog_style.xsl"?>
 <changelog>
+    <release version="12.0" versioncode="14" date="2025-09-02">
+        <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>Enable edge-to-edge support</change>
+        <change>New account settings page</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>
+        <change>Application crashed on startup if left or right swipe gesture was set to &#39;None&#39;</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>
+        <change>Crash occurred when attempting to access account general settings</change>
+        <change>Users had to manually configure Outlook IMAP and SMTP</change>
+    </release>
     <release version="11.1" versioncode="13" date="2025-08-18">
         <change>Selected/read/unread message states were hard to distinguish visually</change>
     </release>

metadata

@@ -1 +1 @@
-app-metadata/com.fsck.k9
+app-metadata/net.thunderbird.android