Release: K-9 Mail 16.0

Author: thunderbird-botmobile[bot]

app-k9mail/build.gradle.kts

@@ -17,7 +17,7 @@ android {
         applicationId = "com.fsck.k9"
         testApplicationId = "com.fsck.k9.tests"
 
-        versionCode = 39031
+        versionCode = 39032
         versionName = "16.0"
 
         buildConfigField("String", "CLIENT_INFO_APP_NAME", "\"K-9 Mail\"")

app-k9mail/src/main/res/raw/changelog_master.xml

@@ -5,6 +5,16 @@
      Locale-specific versions are kept in res/raw-<locale qualifier>/changelog.xml.
 -->
 <changelog>
+    <release version="16.0" versioncode="39032" date="2026-02-02">
+        <change>Default folder expansion behavior can be controlled by setting</change>
+        <change>Preferred content type can be switched between text/plain and text/html</change>
+        <change>Switching folders required an excessive number of clicks</change>
+        <change>Fix various edge-to-edge issues</change>
+        <change>Application crashed at startup</change>
+        <change>Application crashed on Pixel 10 Pro when returning to message list</change>
+        <change>OAuth SMTP authentication failed with some Microsoft servers</change>
+        <change>Deleted/read messages in unified inbox may not update until manual refresh</change>
+    </release>
     <release version="15.0" versioncode="39031" date="2026-01-05">
         <change>Default sync interval has been changed from 60 minutes to 15 minutes</change>
         <change>Use application icon in push notification messages</change>

app-metadata/com.fsck.k9/en-US/changelogs/39032.txt

@@ -0,0 +1,15 @@
+K-9 Mail version 16.0
+
+New:
+- Default folder expansion behavior can be controlled by setting
+- Preferred content type can be switched between text/plain and text/html
+
+Fixed:
+- Switching folders required too many clicks
+- Fix edge-to-edge issues
+- Application crashed at startup
+- Application crashed on Pixel 10 Pro when returning to message list
+- OAuth SMTP authentication failed with some Microsoft servers
+
+Unresolved:
+- Deleted/read messages in unified inbox may not update until refresh

metadata

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