It seems that scrolling occurs depending on the screen ratio. Are there any changes planned?
Unfortunately I was not able to reproduce your issue locally.
The following snippet seems to display correctly:
Could you please, provide a complete demo/code snippet and exact steps to reproduce the issue?
No, I got my image from snippet.
I think it depends on the resolution, but my PC information is MacBook Pro 14/resolution is 1512*982 (default).
Please, try to add the following css:
<style>
.dhx_alert__content{
overflow-y: hidden;
}
</style>