The Remote Desktop may cause GUI slowness. To solve it, edit the DbSchema.vmoptions located in the same folder as DbSchema.exe or in ./DbSchema.app/Contents/vmoptions.txt on Mac OS and uncomment the line:
-Dprism.order=sw
java -cp "lib/*" --module-path=/usr/local/openjfx14/lib --add-modules=javafx.base,javafx.graphics,javafx.controls,javafx.web,javafx.swing,javafx.media com.wisecoders.dbs.DbSchema