Jump-from-iPad showed color bars/cut sides at the big external monitor.
Headless freerdp UAT proved the server clean at 5160x2160 on all codecs
and mid-session resize; mitigation raises the EGFX compressed-frame
budget via systemd drop-in, applied by 12-fix-rdp-bigres.sh (idempotent,
restart-guarded). Human UAT pending.
Detail: https://projects.knownelement.com/issues/611#note-3341
