Bot API 4.5 is here right before 2020:

- New MarkdownV2 that supports new entity types (underline and strikethrough) and nested entities.
- New and Nested Entities in incoming messages and captions.
- Added support for custom titles in groups.
- Added new slow_mode_delay field in Chat object.

Full changelog:
https://core.telegram.org/bots/api-changelog#December-31-2019

🔥 Telegram 5.13 for Android and iOS

Color Gradients in Themes, Send When Online, Verifiable Builds and More
telegram.org/blog/verifiable-apps-and-more

• Theme Editor 2.0. Enjoy a new advanced theme editor and themes with color gradients and patterns.
• Send When Online. Schedule messages to be sent when your recipient comes online (only works if you know their online status).
• Select venues more easily when sharing your location and creating a location-based group.
• Stay in search mode when you select multiple messages while using search inside a chat.
• Podcast and Audiobook support. Apps will remember your last position when resuming playback of audio files longer than 20 minutes.
• Active Sessions moved to main Settings page as "Devices".
• Show inactive channels and supergroups list when the ~500 limit has been reached.
• Mark Archive as read. Long press the archive folder and marking them all read.
• Use @GmailBot to get in touch with relatives and friends that are stuck in the past.
• Send a single 🎄 or ☃️ to any chat to set the mood with the latest animated emoji.

You can now also verify that your version of Telegram was built from the exact same open source code we publish. Security researchers are welcome to check out Telegram's Guide to Reproducible Builds for iOS and Android
core.telegram.org/reproducible-builds

🟢 Also in This Update for Android

• Enjoy improved Instant View including the new Search tool.
• Latest Emoji 12.1 support.
• Get sleek dark maps when viewing locations in Night Mode.
• Choose video quality in a more intuitive way when sending videos.
• Check out new animations when jumping between messages in a chat, opening global search or pulling out the hidden archive.
• Drag the screen down on profile pages to expand profile pictures.
• Select part of the text in any message to copy, share, etc.
• Turn off Raise to Speak to disable recording a reply after listening to a voice message in phone mode.
• Use timestamps like ‘00:45’ in audio captions and replies to automatically create links that play the audio from that specific moment.
• Switch to Night Mode and back directly from the left menu.
• Multi-sharing from other apps. You can now tap and hold to select multiple recipients and even add a comment.
• Sending contacts now uses a simple, card-style interface that won't take up your whole screen (unless you pull up to expand it).
• Discover 31 other bug fixes and improvements, one for each day in December.
• Update v5.13.1 t.me/tgbeta/3918

🟠 Also in This Update for iOS

• Adjust the size of text throughout the app or sync it to your system setting.
• Choose which types of Telegram chats will be suggested in the iOS Share Sheet (iOS 13.2+ only). Go to Settings > Data and Storage > Other
• Switch Accounts faster for multiple accounts, simply 3D Touch on the app icon.
• Member lists: the shorter scrolls. The long member lists will collapse, so you can get to the ‘Leave Group’ button without scrolling.
• New design for setting up the 2-step verification password.
• Enjoy improved CarPlay support.
• Play Vimeo and Twitch video in Picture-in-Picture (PiP) mode. Note: it was available on old app v4.x
• Reindex Unread Counters command in Debug settings.
• Update v5.13.1 t.me/tgbeta/3922

⏬ Get the updates!

• Google Play Store
• APK files
• Source Code
—————
• iOS App Store
• Beta TestFlight
• Source Code

Happy New Year! 🥳

Theme Editor 2.0

Using the new theme editor in Chat Settings (or Appearance Settings on iOS), you can quickly tweak the style of elements in Telegram chats and add awesome gradients to both your messages and your background.
This update includes dozens of new cool patterns you can apply to your background.
Once you're done editing, you can quickly share the result of your work with friends so that they can continue tuning your theme.

@Telegram #Android #iOS v5.13

New Predefined Colors for Telegram's Default Themes

@Telegram #Android #iOS v5.13

Send When Online

For messages that have to be delivered at the perfect moment, Telegram has added the option to schedule messages to be sent when your recipient comes online.
Note that this option is only available if you are allowed to see your recipient's online status.

@Telegram #Android #iOS v5.13

Improved Venue Sharing

Location sharing has been updated to make finding venues easier. You can now tap a place directly on the map to select it.

@Telegram #Android #iOS v5.13

View Search Results as a List

The Search function allows you to easily jump between messages containing a keyword – or sent by a particular person, or even from a certain day. Tapping the bottom bar will now switch to list view in case you want to see all the results on one page.
You can also select several messages without leaving Search Mode.

@Telegram #Android #iOS v5.13

Switch to Night Mode Faster

@Telegram #Android v5.13

Sleek New Animations

The interface peppered with little ripple animations when you press on things helping you get more joy out of buttons. Snappy new animations await when jumping between messages in a chat, opening global search or pulling out the archive folder. To get a closer look at a user’s profile picture, drag down on their profile page.

@Telegram #Android v5.13

Select Parts of Messages

Following in the footsteps of the iOS app, Android now also lets you select a portion of the message text to copy or share, instead of only the full text.

@Telegram #Android v5.13

Multi-sharing from Other Apps

Sharing is caring, Telegram has made it easier than ever to share content from other apps with your friends. You can now tap and hold to select multiple recipients – and even add a comment in case your savage subtweet needs some context.

@Telegram #Android v5.13

View Search Results as a List

The Search function allows you to easily jump between messages containing a keyword – or sent by a particular person, or even from a certain day. Tapping the bottom bar will now switch to list view in case you want to see all the results on one page.
You can also select several messages without leaving Search Mode.
On iOS, you can long press the messages list in search result to preview them.

@Telegram #Android #iOS v5.13

Reindex Unread Counters in Debug settings

A debug command as workaround for possible unread badge counter issues.

@Telegram #iOS v5.13

Switch Accounts faster for multiple accounts

Simply 3D Touch on the app icon. Note: 3D Touch feature is available on iPhone 6s and up.

@Telegram #iOS v5.13

Share Sheet Settings

Your most popular Telegram chats were recently added to the iOS Share Sheet. In case you‘d like to control what can (or can’t) appear there, you can use the new toggles under Settings > Data and Storage > Other > Share Sheet.
Requires:
• iOS 13.2+
• In-app passcode disabled.

@Telegram #iOS v5.13

Improved Venue Sharing

Location sharing and creating a location-based group have been updated to make finding venues easier.

@Telegram #Android #iOS v5.13

Inactive Channels and Supergroups List

Apps will warn users when the limit of ~500 channels and supergroups has been reached, suggesting them to leave inactive ones.

@Telegram #Android #iOS v5.13

Color Gradients in Android Themes

Choose a default theme (Classic, Day, Dark, Night, Arctic) » double tap on accent color or select “Edit colors” from 3 dots menu » select Background or My Messages from top bar » tap (+) color.

@Telegram #Android v5.13

• Adjust the size of text throughout the app or sync it to your system setting.

• Enjoy a new advanced theme editor and themes with color gradients and patterns.

@Telegram #iOS v5.13

Color Gradients in iOS Themes

Long press any theme » Change Colors » select Background or Messages from top bar » tap (+) color.

@Telegram #iOS v5.13