Microsoft Skype for Windows 10 got new emojis but lose some features with new update from version 11.19.856.0 to version 12.4.676.0.

App update changelog (thanks to Aggiornamenti Lumia):

  • There are many more reactions available now: You will find, for example, the new icon cube, outside, middle finger and lots of others (even happier than the ones listed above).
  •  It is now possible to cancel Skype conversations (first it was possible just clear normal messages and hide Skype’s.)
  • New welcome screen
  • You can no longer hide conversations
  • You can no longer add groups to favourites
  • Bug fixes and general improvements

NOTE: This update is only available for release preview users.