• Messages: reboot-safe history - DM and channel messages are now persisted to storage and restored after reboot.
• Messages: history retention setting - Added Messages -> History with modes: OFF / 7d / 30d / MAX.
• Navigation: channel flow back fix - Creating/joining/removing/sharing channels no longer requires multiple Back presses due to stale stack entries.
• Navigation: DM post-send fix - Sending a DM from contact actions returns cleanly to conversation view.
• Stability: history MAX fix - Fixed boot-loop risk when History=MAX.
• Radio: Custom save flow - Custom Radio now saves only on OK (save[ok] hint in header). Back exits without saving.
• Radio: Repeat auto-disable - If repeat is ON and radio params move to blocked frequencies (433/869/918), repeat is disabled automatically.
• Stats/RX Log: page navigation - Added page up/down with Left/Right in Local Stats and RX Log.
• System: Min heap metric - Added Min heap row in System menu to show lowest observed free heap since boot.
• UI: lazy screen init - Rarely used screens are now created on first open (RX Log, Local Stats, Stopwatch, Countdown, Snake, Discover) to reduce startup RAM footprint.
• DM long-press menu - Long-press on a DM now opens actions (Open chat, Remove messages) with confirmation before delete.
• Channel long-press menu - Channel action menu now includes Remove messages with confirmation.
• Contacts settings: page nav - Added page up/down (Left/Right) in Contacts settings; sort row now changes via Enter only.
• Contact action screen: page nav - Added page up/down (Left/Right) when inside a specific contact/person/repeater action screen.
• T9 numeric fix - In 123 mode, key 0 now always inserts 0 on every press.
• T9 language variants popup - Long-press in T9 alpha mode now shows extra language signs for the current key group (accents/diacritics).
• KB/T9 multi-press at cursor - Multi-press cycling now works when cursor is inside text (not only at end).
• T9 cursor-at-start render fix - Existing text is now visible when cursor is at position 0 (no more blank input view).