docs: 4.2" e-ink, alerts and the USB bolt, scope Default, L2 GPS tabs; rc2 release notes

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Jakub
2026-10-07 22:05:32 +02:00
co-authored by Claude Sonnet 5.5
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## MeshCore Solo Companion Firmware v2.0-rc2
### What's new
- **A third Wio Tracker L1 E-ink build, for a 4.2" 400 × 300 panel** (`WioTrackerL1Eink42`), with a 9 × 15 font, its own icons, and screens laid out for the room: tiles on the status page, a node list with a detail pane, charts, the sky view and the clock tools.
- **Alerts drop in from the top** on the OLED and E-ink builds, as a banner that slides down and away, instead of a box over the middle of the screen. A new-message alert lasts two seconds; on E-ink it simply appears and goes.
- **A bolt beside the battery when USB power is connected.** Where the board can sense it (the nRF52 boards, the Wio Tracker L2); the screen redraws as the cable goes in or out.
- **The splash grows with the screen**, and the start-up "Loading..." is three dots in the middle of the screen, so it needs no orientation.
- **Wio Tracker L2:**
- GPS on three tabs: Sky, Signal (a bar per satellite, with a dB-Hz scale) and Details.
- Charts with a value axis, a grid and a readout under your finger; the big clock in the splash's lettering.
- The USB-drive offer waits until the screen is unlocked, with a PIN or without.
- A pull-down quick panel from the status bar, and a faster screen fade.
- **A channel's scope can follow the default.** "Default" is the new start value for a channel, and follows whichever scope the list marks as default; `*` still sends unscoped.
- **Home panels list the way in first:** "All settings", "All messages" and "All tools" head their panels, the shortcuts after.
- **On / Off** are written the same way on every screen, and the GPS switch no longer looks like a battery.
### Fixes
- **Settings were lost on restart on a device that had run Meshtastic.** It leaves a `/prefs` folder behind, which our settings file could neither be read from nor saved over, so no change survived. The folder is now removed on start.
- **Bluetooth switched off stays off** over a reboot or hibernation.
- **A tool opened from the Tools page goes back to Home** on Back, not to the full tools list.
- **A change made in Settings is saved** on the way to a screen opened from it.
- **L2 GPS signal chart** spans its box from the first bar.
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## MeshCore Solo Companion Firmware v2.0-rc1
A release candidate for 2.0: please report anything that looks wrong before the final release.