v21.12

• Pinned Messages 2.0: Pin multiple messages in any chat and see them all on a separate page
• Comment on posts in channels that have a discussion group.
• Get notified about replies to your comments via the new "Replies" chat (if you are not a member in the discussion group).
• Anonymous group admins: Turn on "Remain Anonymous" in an admin's permissions (edit group -> admins -> tap on an admin) to let them post on behalf of the group and become invisible in the list of members.
• Added a context menu button to the chat (in touch mode) for easier access to some context menus
• Added in-app volume control.
• Increased music player slider.
• Send music playlists
• Improved live locations

v20.9

• Set a profile video (up to 9 seconds) instead of a static picture.
• See what media is in a message thanks to new mini-thumbnails in the chat list, message search and notifications.
• More statistics for large groups you own.
• If you're getting too much attention, flip a switch in Privacy & Security settings to automatically archive and mute all new chats from non-contacts.
• Improved file sender UI
• Improved search emoji/GIF/sticker UI
• Improved shared media navigation: Use back button to go to previous view

v20.8

• Chat Folders: Organize chats using up to 10 Chat Folders. Chat Folders replaced the Unigram specific Chat Filters.
• Polls 2.0: Visible votes, multiple answers, and quiz mode.
• Quizzes 2.0: Add explanations that appear after users respond to a quiz question.
• Improved file sender: Reorder files (if not in album mode).
• Add a caption for every video or image in the media file sender.
• New media editor (beta) to crop, rotate, flip images and to draw on them.
• Videos are sent uncompressed by default.
• Buttons for rich text editing: Right click / tap and hold on Chat input > Formatting > Show formatting. Or go to Chat Settings > Typing.
• New built-in themes: Classic, Day, Dark and Night.
• Redesigned profile pages.
• Improved stickers, GIFs and emojis.
• Added categories to GIF selection: recently used, trending, and many more.
• Preview stickers and GIFs by tap/click and hold them.
• Many (!) new animated emoji!
• Get a random number from an animated dice by sending a dice emoji.
• Send a dart, basketball, or football for the chance of a bullseye/goal.
• Cache statistics visualized by a ring chart (Settings > Data and Storage > Storage Usage > Clear Cache).
• Message corners: Tweak the appearance of message bubbles in Settings.
• Use bots like QuizBot to create quizzes with multiple questions. See how much time you have left to answer a question.
• Create custom Chat Folders with flexible settings, or use default recommendations.
• Right click / tap and hold on a chat in your chat list to add it to a Chat Folder.
• Pin (different) chats in each Chat Folder.
• Folder sidebar: Display the Chat Folder menu on the left instead of on top.
• Statistics for big channels: growth and post performance.
• Copy a MTproto proxy configuration to the clipboard (right click / tap and hold > Copy Link).
• Automatically fill in MTproto proxy settings on login using clipboard data.
• Upload up to 2GB per file.
• Improved app memory management.
• Turn the display off if the light sensor is blocked while playing an audio.
• Many more bugfixes and improvements.
• Added a link to the mobile specific Telegram group for tips and news about Unigram Mobile.