TelegramMessenger/widget-sandbox

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What it is

A no-network sandbox framework for running HTML widgets delivered inside Telegram messages. Widget JavaScript runs in QuickJS with no network access, and all output is validated against allowlists before a renderer draws it. Released as tagged versions with Swift, Android, npm…

Who it's for

Telegram client developers integrating HTML widgets into messages, and authors writing widgets for them

How to use it

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Help me install and set up TelegramMessenger/widget-sandbox in my project. Follow its README: https://github.com/TelegramMessenger/widget-sandbox. Explain each step and check it is safe before running anything.

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94From 0 to 94 stars between 12 Oct 2026 and 7 Nov 2026.

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