[overlays] Fix incorrect bounding box overlay on masked region

[release] Release v1.5.1.

[bugfix] Fix crash when displaying error.

[release] Release new beta version.

[docs] Fix download links.

Prepare v1.4.1 release.

v1.4 release.

Prepare v1.3 release.

Fix broken -st/--start-time argument.

Fix copyright version.