Starting from Android 10 (Q), gestures stopped to work with third party launchers. This is something that does not depends on us but a precise choice of the Android development team. On December 2019, the Android team released an update that fixes the issues for some Pixel devices. We expect the problem will be fixed on Samsung devices in some months. You can read more here:
Unfortunately the bug depends on some Samsung firmwares, because of this there is nothing we can do to fix this problem. The issue affects Smart Launcher, like any other apps on Play Store that displays info about alarms.
At the moment, there aren’t any other known issues on Samsung devices, if you find any, please report the problem to firstname.lastname@example.org