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wadamesh/release-notes/beta_26.txt
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Kaj SchittecatandClaude Opus 4.8 5f69a61c9c touch: beta_26 — fix SPIFFS-GC watchdog reboot loop (contacts->SD + shared guard)
Decoded a T-Deck coredump (Task WDT, loopTask stuck in spiffs_gc_clean under
DataStore::saveContacts): a contact save on a churned SPIFFS can trigger a
multi-second garbage-collection pass that starves core 0 and trips the task
watchdog, giving a reboot loop.

- Route contacts/channels to SD when a card is present, even on upgraded
  devices whose data is still on SPIFFS (main.cpp mounts SD every boot; if not
  fully adopting SD, store.setSecondaryFS(&SD)). DataStore::begin() migrates the
  existing /contacts3 + /channels2 to the card once; identity/prefs stay put.
- Move the ref-counted WdtHeavyGuard into a shared header so the core
  DataStore::saveContacts shares one count with the UI history/backup saves, and
  wrap saveContacts with it (guaranteed fix for card-less devices).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-02 21:11:19 +02:00

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# beta_26 (TEST) — storage-reliability fix on top of the current stable (beta_25).
# One user-facing note per non-blank, non-# line; # lines are section comments.
# --- Fixed ---
Fixed a reboot loop that could hit while the device saved its contact list. Internal-flash housekeeping during a save could freeze the device long enough to trip the watchdog and restart it; that save no longer trips it. Thanks to the crash report that pinned it down.
# --- Improved ---
On devices with a microSD card, contacts and channels are now kept on the card (like chat history and map tiles already are). That frees the small internal flash and puts the frequently-rewritten files on the more reliable card. Your existing contacts move to the card automatically the first time; your identity and settings stay in internal flash, so the node is unchanged.