Bot API 9.5

Date and Time Formatting
• Introduced date and time formatting, allowing bots to show a formatted date and time to the user.
• Out-of-the-box support for relative times, localized weekdays and more.

Custom Member Tags
• Introduced support for custom group member tags.
• Bots can now detect member tags, assign them, or allow admins to manage them.

Message Streaming
• With today's update, every bot on Telegram can freely use the message streaming feature.

• And more, see the full changelog for details:

https://core.telegram.org/bots/api-changelog#march-1-2026