Microsoft today announced the release of Skype Insider build 8.66 with a major improvement and a couple of important bug fixes. With this update, Skype now supports 100 participants in group video calls. This update also fixes the app freeze issue on Android. Find the full change log below.

What’s New??

• Up to 100 participants in the call! We have increased the limit for group calls from 50 to 100 participants!

What’s fixed?

• The language settings automatically changed to English.
• Favorite contacts disappeared from contact list on Windows.
• Signing out was freezing the app on Android.
• Uploading/downloading files on Android was not fully working.

Source: Microsoft