tdesktop

Telegram Desktop messaging app

24 articles 30.9k View on GitHub ↗
24 articles
How Telegram Desktop Configures Automated Builds in Its CI/CD Pipeline: A Complete Guide to GitHub Actions

Discover how Telegram Desktop configures automated builds in its CI/CD pipeline using GitHub Actions. Learn about platform workflows, caching strategies and artifact uploads.

how-to-guide
Apr 5, 2026
How Telegram Desktop Implements Chat Invite Links and Chatlist Invites

Discover how Telegram Desktop implements chat invite links and chatlist invites using parallel subsystems and MTProto API. Learn about messages.checkChatInvite and chatlists.exportChatlistInvite.

internals
Apr 5, 2026
How Telegram Desktop Contact Sync and Last Seen Privacy Work: A Deep Dive into the Source Code

Explore Telegram Desktop's source code to understand contact sync via MTPcontacts ImportContacts and last seen privacy using the UserPrivacy API.

deep-dive
Apr 5, 2026
Telegram Desktop File Download Upload Manager Architecture Explained

Explore the Telegram Desktop file download upload manager architecture. Learn how Storage Uploader and DownloadManagerMtproto utilize MTProto, session pools, and queues for efficient transfers.

architecture
Apr 5, 2026
How Telegram Desktop Processes Deep Links: A Complete Technical Guide

Explore how Telegram Desktop processes deep links. Learn about the centralized router, URL parsing, and handler dispatching in this technical guide. Discover the core components behind TDesktop deep link functionality.

deep-dive
Apr 5, 2026
Understanding the RPL (Reactive Programming Library) Pattern in Telegram Desktop

Discover the RPL reactive programming pattern in Telegram Desktop. Learn how time-varying values and composable streams manage UI state changes efficiently with rpl::producer and rpl::lifetime.

internals
Apr 5, 2026
How the Telegram Desktop Media Preview Widget Handles Various File Types

Discover how the Telegram Desktop media preview widget efficiently renders diverse file types like photos, stickers, Lottie, WebM, and GIFs using specialized pipelines for scaled cached previews.

internals
Apr 5, 2026
Telegram Desktop Message Forwarding and Draft System Architecture Explained

Explore the Telegram Desktop message forwarding and draft system architecture. Understand how distinct data structures and cloud synchronization optimize user experience.

architecture
Apr 5, 2026
How the Telegram Desktop Admin Log Feature Works: Inside history_admin_log

Discover how the Telegram Desktop admin log feature uses history_admin_log to convert TL audit events into chat messages. Learn about data fetching, filtering, and rendering.

internals
Apr 5, 2026
Implementing Reactions and Reaction Previews in Telegram Desktop: A Complete Workflow Guide

Discover the three-layer workflow for implementing Telegram Desktop reactions and their preview overlays. Learn how data models UI handlers and overlay widgets work together.

how-to-guide
Apr 5, 2026
How Forum Topics Work in Telegram Desktop Channels: Data::Forum and Data::ForumTopic Architecture

Explore how Telegram Desktop channels use Data::Forum and Data::ForumTopic to manage forum topics. Learn about their architecture for loading, caching, and UI integration.

internals
Apr 5, 2026
What Is the Data Serialization Format for Local Settings Storage in Telegram Desktop?

Discover how Telegram Desktop saves local settings using Qt's QDataStream binary format ensuring backward compatibility with a fixed version. Learn about its sequential field layout.

internals
Apr 5, 2026

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