Yesterday reports about crashes of the preview version of Skype was floating around. Now Microsoft has fixed this issue with Skype app version 126.96.36.199 shipped for Windows Insiders.
Here is, what Microsoft wrote within the Skype community about that update.
We just published a fix in version 11.10.147 and you should be getting it shortly.
As to your question, this was only seen by users in the Windows Insider program. Although not ideal this situations can happen, we should always remember that at the end of the day there are humans building these apps
Luckily this issue was fixed fast and you and all of our users affected will be able to continue using Skype Preview.
We really appreciate your feedback and the fact that you took the time to report this issue, and we will work really hard so situations like this don’t happen again.
Happy Holidays from the Skype fam.