no problems on gtk2. Is this a known issue on gtk3? I'm just starting from a basic application with a form and single button. The window size and the button size is wrong. > On Dec 9, 2019, at 10:05 AM, Juha Manninen via lazarus <lazarus at lists.lazarus-ide.org> wrote: > > How does it behave with GTK2? Regards, Ryan Joseph