v4.15.0.1
- Updated Day theme
- Updated icons
Official changelog:
- Stories from groups.
- Group appearance settings.
- Group emoji pack.
- Boost groups to unlock features.

v4.15.1.2
- Reduced message tooltip timeout
- Improved spoilers (once again)
- Fixed sticker pack author for newer ids
- Show increment when copying sticker pack author id
- Fixed add recommended folder button
- Updated icons
Official changelog:
- Telegram Business features.

v4.15.2.1
- Fixed several interface elements in business settings
Official changelog:
- Close the ongoing call window without hanging up the call.
- Fast scroll through chats list with Ctrl or Shift pressed.
- Several bugfixes.

v4.15.3.1
Official changelog:
- Instant View on Windows (with WebView2) and macOS.
- Allow scheduling messages in topics.
- Fix system proxy support on Linux.

v4.15.6.1
- Remove uppercase from some buttons
Official changelog:
- Save the Instant View window geometry.
- Fix jump to anchors with accents in the Instant View.
- Fix possible crash in the ElasticScroll destructor.
- Fix a crash in Instant View article parsing.
- Disable system proxy on Linux to check if it fixes crashes.
- Fix crash with long messages on Linux.

v4.16.0.1
- Updated registration date database
- Updated icons
- Translate "Registration date"
Official changelog:
- Instant View on Windows 10+ and macOS.
- Allow scheduling messages in topics.
- Telegram Business: Links to Chats.
- Telegram Business: Custom Intro.
- Telegram Business: Chatbots.
- Sharing Revenue with Channel Owners.

v4.16.4.1
Official changelog:
- Show information about Fragment phone numbers and usernames.
- Fix jump to original story from a story repost.
- Fix old image display in viewer in some cases.
- Fix several crashes.
- Use IV by default for Telegraph and some Telegram links.
- Support IV links in bot web-apps.
- Improve media upload speed.
- Update FFmpeg to 6.1.1.

v4.16.7.1
Official changelog:
- Reimplement file open confirmations.
- Show custom emoji preview on long press.
- Fix resume chat bot button disappearance.
- Fix GIF files playback. (regression in 4.16.3.beta)
- Fix editing privacy for groups and channels invitations.
- Possible fix for the network unresponsiveness after sleep.
- Possible fix for wide range of memory allocator crashes on Linux.

v4.16.10.2
- Updated icons
Official changelog:
- Group admins can mass-moderate many messages.
- Premium users can use animated emoji in polls.
- Show "Frequent contacts" when you focus the search field.
- Show "Recent chats" when you focus the search field.
- Show "Channels" and channel recommendations.
- Allow changing font in Settings > Chat settings > Font family.
- Fix in-app playing of some video and audio files.
- Fix crash on Linux opening chats with custom backgrounds.
- Fix crash on quit after using scheduled messages.

v5.0.0.1
- Updated icons
Official changelog:
- Choose custom font family in Settings > Chat settings > Font family.
- Show "Frequent contacts" when you focus the search field.
- Show "Recent chats" when you focus the search field.
- Show "Channels" list and similar channels.
- Premium users can use animated emoji in polls.
- Group admins can mass-moderate many messages.
- Fix frequent crashes on some Linux systems.

v5.0.2.1
- Report webview platform as android (for bots that only work from mobile)
Official changelog:
- Toggle chats search focus by Tab key.
- Unfocus empty search by Backspace key.
- Add a spoiler to already sent media when editing.
- Forward by drag-n-drop to frequent contacts / recent searches.
- Allow wide chats list in empty window with narrow list when a chat is opened.
- Improve custom font support in the input fields.
- Fix input method typing from unfocused search.
- Fix possible media reordering on batch send.
- Fix crash in group emoji set saving.
- Fix possible hang on quit on macOS.
- Fix several crashes in new interfaces.
- Fix monospace font size.
- Fix possible problem with underline font size.

v5.1.1.1
- Fixed bold font on some systems
- Updated icons
Official changelog:
- Send messages with effects.
- Move photo or video captions above the media.
- Long press on chat userpic to show quick preview.
- Fully close search in chat by "Cancel" click.
- Allow editing caption placement and spoiler in topics.
- Disable effects on forwarded messages and inline results.
- Jump to chat from preview only by Double-Click.
- Show author userpics in forwarded messages.
- Fix reply to last message by Ctrl+Up in topics.
- Ctrl+Click on Reply in menu to Reply in another chat.
- Allow Zero-Width-Space character in text rendering.
- Fix creating custom links in the message field.
- Fix jump to the topic with last unread message.
- Fix newline entering via Shift+Enter on Linux.
- Fix forum search open by Ctrl+F.

v5.1.5.1
- Updated icons
Official changelog:
- Improve design of search in chat.
- Show vCard information for shared contacts.
- Allow scheduling media in topic groups.
- Several bugs fixed including a couple of crashes.

v5.1.7.1
Official changelog:
- Fix recently searched hashtags in chats search.
- Fix non-Telegram-Stars-invoice bot buttons with star emoji.
- Fix search in archived chats in single-column layout.
- Improve chat previews for topics, Saved Messages and groups.
- Fix formatting shortcuts on Linux.
- Fix options for Telegram Stars buying in case of large amounts.

v5.2.0.1
- Added the option to show data center in profiles
- Hide phone number in settings
Official changelog:
- Pay for content with Telegram Stars.
- Enable local passcode unlock by Windows Hello and Touch ID.
- Allow opening forums, topics and archive in a separate window.
- Support nice blockquotes and code blocks edition when composing messages.
- Support collapsing blockquotes and specifying syntax highlight language.
- Support nice spoiler animation in the message composing input field.

v5.2.1.1
- Show data center for groups and channels
- Show data center locations
- Hide phone number in own profile
Official changelog:
- Fix crash when opening topic in a new window.
- Fix crash in topic search scope dropdown.
- Fix crash in video player.
- Fix feeze and crash in Instant View (Windows).

v5.2.5.1
Official changelog:
- Fix media viewer context menu.
- Fix blockquotes layout in messages.
- Allow opening several web apps.
- Send location marks and venues.
- Fix crash in bot star stats page.
- Fix topics search in topic groups.
- Fix Instant View pages content updating.

v5.3.0.1
Official changelog:
- View recent and popular web apps in chats search.
- Open several web apps in different windows.
- Gift Telegram Stars to your friends.
- Send location marks and venues.
- Open tonsite:// links in webview.
- Edit order of stickers in your packs.

v5.4.1.1
Official changelog:
- Super Channels with post authors' profiles.
- Support favorite channels with Star Reactions.
- Channel Subnoscriptions with Stars monthly payments.

v5.5.4.1
Official changelog:
- Fix channel updates stopping after difference request failing.
- Add QR code generation for your username in Settings.
- Add mention link QR code sharing.
- Fix sending files from network drives. (Windows)
- Support two bottom buttons in web apps.
- Fix text layout outside of the message bubble glitch.
- Don't stop video when dragging media viewer in window mode.
- Fix crash in peer short info box.
- Star Giveaways.
- Swipe-to-Reply.
- Audio device selection in one-on-one calls.
- Text selection in collapsed / expanded quotes.

v5.6.1.1
Official changelog:
- Fix media viewer sometimes blocking the app after launch.
- Gifts for Telegram Stars.
- Mention / hashtag autocomplete in media caption field.
- Resizing the window used for web apps and games.
- "Include muted chats in folder counters" notifications setting.
- Emoji from Unicode 15.1.
- Allow drag-to-scroll in reply quote edit box.
- Add bot verified badge to web app noscript.
- Add ability to share QR code of bots.
- Add mention/hashtag autocomplete to Saved GIF caption.
- Fixed display of working hours in profiles.
- Respect the maximum reply quote length.
- Allow resizing the window used for web apps and games.
- Add mention / hashtag autocomplete in media caption field.
- Add "Include muted chats in folder counters" notifications setting.
- Auto-select URL suggested from clipboard when creating a custom link.
- Update emoji to Unicode 15.1.
- Fix replying with a quote from media album caption.
- Fix viewing custom emoji packs from media album caption.
- Suggest URL from clipboard when creating a custom link.
- Fix animated topic icons in topic info page.
- Fix excessive getChannelDifference requests.