Official app for OS X from Telegram team
This software is available under GPL v3 license.
Source code is available on GitHub.

Version history

v 0.8.52 stable 19.08.15

  • Bug fixes and other minor improvements

v 0.8.51 stable 17.08.15

  • Block users from their profile page
  • Added support for Windows toast notifications
  • Fixed input methods on Linux (Fcitx and IBus)

v 0.8.50 dev 14.08.15

  • Bug fixes in Windows notifications
  • Fixed input methods on Linux (Fcitx and IBus)

v 0.8.49 dev 12.08.15

  • Block users from user profile
  • Ask support team a question from Settings
  • Windows toast notifications support added

v 0.8.48 stable 08.08.15

  • Search for messages in conversation
  • Clear messages history in groups
  • Contacts without messages are hidden from the conversations list

v 0.8.47 dev 07.08.15

  • Search for messages in conversation
  • Clear messages history in groups
  • Contacts without messages are hidden from the conversations list

v 0.8.46 stable 05.08.15

  • Crash fix on sending .webp files

v 0.8.45 stable 03.08.15

  • Bug fixes and other minor improvements

v 0.8.44 dev 01.08.15

  • Sending media and recording audio status display

v 0.8.43 stable 31.07.15

  • Bug fixes and other minor improvements

v 0.8.42 dev 31.07.15

  • Dev version will now get updated to stable as well

v 0.8.41 dev 21.07.15

  • Pretty phone number formatting
  • Fixed shared contacts display
  • Fix KDE crash, use Qt tray icon in all Linux systems

v 0.8.40 dev 17.07.15

  • Fixed critical Qt bug in image scale
  • Huge amount of unread messages are loaded much faster
  • Some bugfixes and optimizations

v 0.8.39 dev 14.07.15

  • Moved to Qt 5.5 and Xcode 6.4
  • Some bugfixes and optimizations
  • In OS X 10.10.3 location marks sent from mobile should be displayed now

v 0.8.38 stable 03.07.15

  • Improved in-app media playback
  • Bug fixes and other minor improvements

v 0.8.37 dev 03.07.15

  • Improved in-app media playback
  • Bug fixes and other minor improvements

v 0.8.36 stable 01.07.15

  • Forward photos, media and stickers with drag-n-drop
  • Drag-n-drop text messages by timestamp to forward them
  • Larger stickers panel
  • IPv6 checkbox added to Connection Type in Settings

v 0.8.35 dev 30.06.15

  • Bug fixes and minor improvements

v 0.8.34 dev 28.06.15

  • Forward photos, media and stickers with drag-n-drop
  • Drag-n-drop text messages by timestamp to forward them
  • Larger stickers panel

v 0.8.33 dev 25.06.15

  • IPv6 connection checkbox added to Connection Type box in Settings

v 0.8.32 stable 25.06.15

  • Critical bug fixed
  • IPv6 connection temporarily disabled

v 0.8.31 dev 24.06.15

  • Bots support using the new bot API
  • Drag-n-drop selected text and links from messages
  • Forward selected messages by drag-n-drop

v 0.8.30 stable 24.06.15

  • Bots support using the new bot API

Dev version

If you would like to get all updates faster and be the first to test new features, you are welcome to use Telegram Desktop's dev version instead of the public one.

The public version is updated less frequently, but is more stable than the dev version.

Here are the dev version links for different platforms:

Windows Setup
Windows Portable
Mac OS X 10.6 and 10.7 Setup
Mac OS X 10.8+ Setup
Linux 64 bit
Linux 32 bit

Just install it on top of your current Telegram Desktop and there you go.
Your feedback is welcome on Twitter