0.5.3

Inline bots: A new way to add bot content to any chat. Type a bot's username and your query in the text field to get instant results and send them to your chat partner. Try typing @gif dog in your next chat. Sample bots: @gif, @wiki, @bing, @vid, @bold.
Check out the Telegram Blog for more info.
Improved GIFs: 20x faster sending and downloading, nice animated progress
Click on message date to reply (or to forward from channels).
Preview images before sending when pasting from clipboard.
Improved formatting for copy-pasted history fragments (date, time and sender names inserted automatically).

0.5.2

Unread counters for muted chats now colored in gray.
Improved previews for sticker sets: Click on a sticker to view the whole set, click on stickers in a set to send right away, added a 'Share' button.
Improved performance.

0.5.1

Groups that have reached their capacity of 200 users can be upgraded to supergroups of up to 1,000 members.
Check out the Telegram Blog for more info

0.5.0

0.4.9

0.4.8

Introducing Channels – a great new way to broadcast your messages to unlimited audiences.
Check out the Telegram Blog for more info
Improved performance in Safari on OS X El Capitan.
Added formatting for fixed-width code, surround text with `single backticks` for inline text and ```triple backticks``` for blocks of pre-formatted text.

0.4.7

New bot API, free for everyone. If you're an engineer, create your own bots for games, services or integrations.
Check out Telegram Blog for more info
Improved Stickers support: now stickers are loading much faster.
Click on any custom stickers in chats to view and add sticker sets.
[Mobile] Reply to a message easily: tap on any message and select "Reply".

0.4.6

Install and share custom sticker sets like this one: telegram.me/addstickers/Animals
If you're an artist, create custom sticker sets using our @Stickers bot.
Check out Telegram Blog for more info

0.4.5

0.4.4

Link Previews:
Get rich link summaries for tweets, YouTube videos, Instagram photos and other content.
Check out Telegram Blog for more info.

0.4.3

Sessions List:
View your active Telegram sessions (on desktop, tablet and mobile devices) and close specific sessions remotely.
Two-step verification:
Set up an additional password that will be required to log into your Telegram account.
Check out Telegram Blog for more info.

0.4.2

0.4.1

Reply to specific messages in groups.
Mention @usernames in groups to notify multiple users.
Revised notifications in groups: mentioned users and people you reply to will be notified (private chat notification settings apply in this case instead of group settings). Check out Telegram Blog for more info.
Setting to disable message preview

0.4.0

Full stickers support
Multisearch box: instantly find chats, usernames and messages
Emoji autocomplete: e.g., type :kiss in the message field to see the list. Full cheat sheet »
Added 'typing' notification in chats list
Online members counter in group headers

0.3.9

0.3.8

Telegram.me links open right in Telegram Web when authorized
@username mentions in messages are clickable and open a conversation with the user

0.3.7

0.3.6

0.3.5

0.3.4

0.3.3

Added Native Client module: dramatically improved encryption speed; Download and upload speed is now as high as in native applications.
HTTPS. We recommend you to use https://web.telegram.org.
Added multiple open tabs warning. Please note, that only one tab with Telegram Web will work.
Added embedded Instagram, Twitter, Vine, YouTube links.
Jump to selected spot when playing back audio.
Bugfixes

0.3.2

0.3.1

0.3.0