v0.16.1

• Session restore: tabbed windows and Firefox windows come back correctly.
  Two longstanding defects, both present up to and including v0.16.0:
  • Window groups (tabbed windows) came back scattered over the workspace
    instead of as groups. Every member of a group reports the same content
    rectangle, so the restore could not read the split tree and fell back to
    tiling the windows in arrival order. A group is now one tile of the tree —
    its tab bar accounted for — and is reassembled after the tree is in place:
    tabs in the saved order, the tab that was on top on top. Dwindle only; a
    floating group returns as separate floating windows and a group's lock
    state is not restored.
  • Firefox windows came back as one window of tabs plus one blank (or
    swapped). W launched firefox once per saved window, but a second launch is
    a remote command to the instance already running and opens a blank window.
    Firefox keeps its own session, so it is now launched once and each window it
    brings back is placed where a window with the same title was. At logout W
    also finishes Firefox's own "closed in series" memory in its session file —
    Firefox's own pass stops at any older closed pop-up and drops the rest,
    which on a real profile is why a second window went missing.
  • Firefox restores the tabs inside a window only if its own
    Settings → Home and startup → "Open previous windows and tabs" is on; W
    does not switch that on for you. Hub → System → Session now says so when you
    turn restore on.
  • If you keep personal relaunch overrides in ~/.config/w/session-apps.tsv,
    the file gains an optional flag column; two-column rows keep working. Flags:
    own-session (the Firefox case above) and = in the command column to keep
    the recorded command line.
• RGB lighting is more reliable. The theme's colour was sent to the openrgb
  daemon by guessing when it had come up; on a slow login the send happened
  before the daemon knew its devices and was lost. W now waits until openrgb
  reports devices (up to 20 s) before colouring, so RGB matches the theme on the
  first try. This affects the RGB feature introduced in v0.16.0.
• The desktop guide (w-guide, Hub → Documentation) and the on-box assistant
  explain that window groups come back as groups and where Firefox's tab-restore
  setting lives — in English and Russian.

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Install image: download the current build — rebuilt nightly, including from this release.