Sterna Mail 1.5.4 APK release

versionCode 174; Android 26+; released 09 Sept 2026.

APK builds

• 57e2d2a4e6970d9408b9300dcc924b5e45fa822b72fae581079d45e1e529aa1f — arm64-v8a, armeabi-v7a, x86, x86_64 — 4.5 MB

Release notes

• Reading - On a window at least 600 dp wide, the inbox lays out in two panes: the list on the left, the open message on the right. From 1200 dp the folder drawer stays beside the list, with no hamburger. Below 600 dp the layout does not change. - An IMAP account now groups its messages into conversations, like a JMAP one. The thread is rebuilt on the phone from the message's own References header. An existing folder stays flat until its next refresh, then groups. - The Message list preview setti