Locking the screen with swaylock before the fix (red flash) and after (no red flash).

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   Ivan Molodetskikh (yalter@mastodon.online)'s status on Thursday, 24-Apr-2025 04:53:17 JST Ivan Molodetskikh

   in reply to

   And another thing for today: finally made it so niri waits a bit for the lock screen to paint before locking the session. This fixes the "red flash" issue.

   Please test this since it's security sensitive. I already caught one mistake before pushing where killing a lock screen, then spawning a new one, would briefly flash the session contents.

   (Note that some lockers fade in from transparency, so you'll still briefly see red, that's just the niri locked session background.)

   #niri