You can also download the deprecated objective-c version. This version is no longer supported, but can run on 10.8+ systems.
v 3.6 25.11.17
Grouped Photos. Group media into an album when sharing multiple photos and videos. Choose the exact order of media you send.
Saved Messages. Bookmark messages by forwarding them to “Saved Messages.” Access them from the Chats list or from the side menu.
Pinned Messages. If you are a channel admin, pin messages to focus your subscribers’ attention on important announcements.
Use Touch ID to unlock the app.
Use ** for bold and __ for italic formatting.
Add links with custom text to your messages using cmd+U or the via the formatting menu.
View multiple attachments from Instagram or Twitter as albums.
Click and drag on waveforms in music and voice messages to rewind.
iTunes links now open in iTunes.
Add photos when creating groups and channels.
Added new design for all alert windows.
Greatly reduced the time it takes to sync the app after it has been inactive for a prolonged period.
Added a host of minor fixes and improvements.
v 3.5.3 30.10.17
New attachment menu (preview files of any type before sending).
New sharing menu (add comments when sharing).
v 3.5 11.10.17
You can now send video messages. Tap the mic icon to switch to camera mode, then tap and hold to record video, release to send.
Control whether new members in supergroups can see the earlier message history.
Easily recognize messages from group admins by the new ‘admin’ badge.
Bug fixes and design improvements
v 3.1.1 29.07.17
Autocompletion for emoji. Start typing ‘:’ to get suggestions.
Search for messages by sender in supergroups. You can now find all messages left by a user in a supergroup.
Bug fixes and design improvements
Fixed an issue when new messages would sometimes not arrive when app was minimized.
v 3.1 19.07.17
Try the new dark mode in Settings > Appearance.
Search group members by name in large supergroups.
Numerous small enhancements:
Go to sticker pack via the context menu on a sticker in Recent Stickers.
Copy share links to messages in public groups.
Links, mentions, and hashtags now active in link previews for Instagram and Twitter URLs.
Many other fixes and improvements.
v 3.00.1 04.07.17
Bug fixes and minor improvements
v 3.00 30.06.17
Supergroups can now have up to 10.000 members.
Appoint supergroup admins with granular rights. Choose who can add users, manage messages, block members, edit group info & username, add new admins, etc.
Restrict and ban supergroup members with granular precision. Read-only bans, GIF & sticker bans, media bans, temporary bans and restrictions.
Check the new event log to see all service actions taken by members and admins of a channel or supergroup in the last 48 hours – with search and filters.
Change your language in Settings.
Dozens of other quality of life improvements.
v 2.96.94514 25.04.17
Remove recent gifs
Messages context menu improvements
Bug fixes and improvements
v 2.30.51442 03.01.17
Delete messages for everyone. When you delete your messages in groups and one-on-one chats, you can now choose to delete them for everyone in the chat, not just yourself. This works only for recently sent messages (same as editing).
T.me links. Use the short and personal t.me/username instead of telegram.me to link to any Telegram profile, channel or public group.
‘Report spam’ button added to Secret chats.
v 2.28.51253 20.11.16
Groups in common. A new option in your contacts' profiles that shows a list of all groups you share with that person.
Squashed several bugs, including an issue that would cause unusually high CPU usage.
Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.