Hello yanichkin!
Thanks for the reproduction video, are you on the latest mac release of Spine? What OS version are you using?

We've found the bug and fixed this problem in 3.6.52. Thanks for reporting!

The 3.7.09 is the beta version but it's not more recent than this fix
Nate is in the process of killing many bugs in these days, so we'll make a bigger release instead of many small ones, you can expect one soon (:
(be careful with using beta features, I noticed you're using ENT, make sure your team is using the same runtime version as your editor!)

3.6.52 is now available! 3.7.10-beta also has the fix.

Hello,

Seems kind of related, I'm on 3.6.52 on Win10, and I saw quite the same behavior.

I create a new spine file, then attempt to build a path.

Immagine rimossa a causa della mancanza di supporto per HTTPS. | Mostra Comunque

It happens when I drag drop a point, not when I just click to create one.

Spine freeze to death.

When I only click, it works well:

Immagine rimossa a causa della mancanza di supporto per HTTPS. | Mostra Comunque

I tried on Mac OS El Capitan, when drag and drop a point, the path is fucked up also, but the Spine software doesn't crash.

Thank you Crocodilium! after some attempts, I was able to reproduce and understand what makes it freeze, your comment

Crocodilum ha scritto

It happens when I drag drop a point, not when I just click to create one.

was precious!
Here's the new issue: Click and drag over projection line in path creation mode freezes Spine · #349 · EsotericSoftware/spine-editor

Ah cool, glad to know