Am Sonntag, dem 03.11.2024 um 20:03 +0100 schrieb Pavel Sanda: > I see this, but it seems to compile just fine on old system (Qt > 5.15.8). Yes it does, but it does not work (neither on old nor on new systems) as it is invalid. Spacers using this, for instance, are simply ignored. -- Jürgen