TelegramDevelopment
How Telegram message widgets work on Android, iOS and macOS
A game, a calculator or an AI answer right in the chat bubble — no Mini App window, no network. What a widget can do and what you can build with it.
· 7 min read
Tag
Development
20 pieces
TelegramDevelopmentNews
2,367 Commits Made in Telegram's Open Source Code in October — Second Highest Month Ever After August
Of October's 63 authors, 38 had not previously committed to Telegram, and half of them joined the new open client for macOS.
· 5 min read
TelegramDevelopmentNews
Telegram Message Widgets Arrive in Android and iOS Betas
Under the widget in Android there is no browser: the code is executed by its own interpreter with a CPU quota, and whether the tap is real is decided by a separate touch arbiter.
· 5 min read
TelegramDevelopmentNews
Product Analytics with Funnels and Revocable Consent Introduced in Telegram's macOS Beta
The macOS beta knows at what step you abandoned sending a sticker. And the released Telegram Desktop has been reporting to the server since March how many milliseconds a post was on screen.
· 5 min read
TelegramDevelopmentNews
Telegram Prepares @agent Bot, Allowing Users to Connect Their Own API Key from Claude, ChatGPT, Gemini, Grok, or OpenRouter
According to the API schema in the beta, the ChatGPT or Claude key will remain on Telegram's servers, and the app will only see its last four characters.
· 7 min read
TelegramDevelopmentNews
Telegram Message Widgets Can Now Send Requests to Bots — One Per Tap
The widget in the chat sees your ID, name, and Premium, and can send 64 bytes to the bot, but only upon tap; without it, only in a private chat with the bot.
· 7 min read
TelegramDevelopmentNews
Telegram for macOS Starts Accepting Third-Party Contributions, Reaching Beta in Hours
A floating tab bar from a third-party developer made it into Telegram for Mac beta 57 minutes after the merge.
· 6 min read
TelegramDevelopmentNews
Telegram for iOS Moved the Back Button to the Side Strip of the Foldable iPhone Duo and Audited All 298 Screens for It
On the foldable iPhone Duo, Telegram's Back button is in the sidebar near the screen edge, and tabs are stacked vertically.
· 7 min read
TelegramDevelopmentNews
Telegram Opens New macOS Client Repository, Including a Rust MTProto Engine
Telegram's new Rust network engine downloads large files 2-3 times faster and uses five times less CPU for small requests.
· 6 min read
TONDevelopment
TON Network Switches to Global Version 16 and Second Consensus Protocol Version
TON validators updated to global version 16, but the Gram total balance check they voted for will only activate with version 17.
· 4 min read
TelegramDevelopmentAINews
Telegram Designers Now Accepts Concepts Only as Working Code
Figma mockups and beautiful motion videos are no longer enough: Telegram is waiting for a feature that can be launched. You don't have to write the code yourself, AI can do it for you, and the source code for all three clients is open.
· 7 min read
TelegramTONWalletsDevelopment
TON Core Asks Wallets to Create W5 Addresses and Accept Telegram Wallet Phrases
The same 12-word phrase yields at least three different addresses. If after importing a Telegram wallet into another application the balance is zero, the coins are still there: the application opened an adjacent address on the same key.
· 8 min read
TelegramDevelopmentNews
Telegram Publishes OpenAPI Schema for Bot API
185 methods, 625 schemes, and a separate file with 945 errors. Libraries for Telegram bots can now be generated from the official description, not from a parsed HTML page.
· 7 min read
TelegramTONWalletsDevelopment
TON Connect 5.0 Puts Telegram Wallet First, Applications Need New ton_proof Verification
Many mini-apps cannot verify Telegram wallet signatures. On October 24, Durov promised a TON Connect fix within 24 hours.
· 9 min read
TelegramDevelopmentNews
Telegram Bots to Get Usernames Ending in agent, ai, game, app, and gay for Premium Owners
Instead of "bot," names can now show "agent," "AI," or "game" if they end with specific letters. This is free for Premium users starting October 16.
· 5 min read
TelegramDevelopmentNews
In Telegram for macOS Beta, Messages are Built from HTML, CSS, and JavaScript
Telegram for Mac beta includes the full 1.27MB three.js and an arrow-controlled chicken arcade game playable directly within messages.
· 7 min read
TelegramDevelopmentAI
Telegram Serverless Begins Hosting Mini Apps on tgcloud.ai Domain
The front-end and back-end of the Mini App are now uploaded to Telegram with a single command, and the user's signature is verified by the platform itself. The domain for this was purchased in September and is in the .ai zone.
· 7 min read
TelegramDevelopment
A Second Username Field Appears in BotFather's Bot Creation Form
The additional name is optional, checked by a separate method, and sent to the server along with the form. There is no field label or explanation in the code as to why it's there — forty-six lines on one of the four distribution stands.
· 3 min read
TelegramTONDevelopment
Telegram Prepares Code Highlighting for TON Smart Contract Languages
TON language definitions have been in the Telegram repository since 2024, while the file read by applications was last compiled in November 2023. On September 21, it was recompiled—and at the same time, a FunC rule that could never work was found.
· 6 min read
TONDevelopment
TON Core Launches Actonscan — An Explorer for Developers
The first tool built around the new ABI in Tolk — messages are displayed as typed structures, get-methods are called from the contract page, and emulation is also available there. A browser debugger is promised next.
· 1 min read