App Store

Engineering & Developers

Resources and news for engineers and Discord app developers.
Clyde holding up a warning sign.
Engineering & Developers

You’ve Got (Too Much) Mail: Behind the Scenes of the 3/25/26 Voice Outage

On March 25th, voice and video on Discord suffered major degradation beginning at 12:13 PDT, lasting a little over three hours. Learn how the issue originated, how it affected systems across Discord, how we recovered, and how we’re preventing the same problem from reoccurring.

Six flathead screwdrivers neatly laid down in an alternating pattern.
Engineering & Developers
Measure Less to Learn More: Using Fewer, Higher-quality Metrics to Capture What Matters
A green Verified checkmark in front of a stylized Discord user interface.
Engineering & Developers
You’re Now Discord Official: Developers, Claim Your Game and Verify Your Server
Chat conversation about receiving an in-game gift through Discord.
Engineering & Developers
Building on the Social Layer of Games: What’s New from GDC 2026
Nine turnips and a pickaxe, aligned in a 5x2 grid.
Engineering & Developers
Tracing Discord's Elixir Systems (Without Melting Everything)

Explore Further

An array of protective shields with the Discord logo displayed on them.
Engineering & Developers
Osprey: Open Sourcing our Rule Engine
Clyde and Nelly against a dark, blurred background. Icons of crowns, trophies, stars, and other gaming-related objects float in the distance.
Engineering & Developers
Discord Patch Notes: December 8, 2025
Nelly, a robot hamster, holding a flathead screwdriver.
Engineering & Developers
From Single-Node to Multi-GPU Clusters: How Discord Made Distributed Compute Easy for ML Engineers
Clyde and Nelly against a dark, blurred background. Icons of crowns, trophies, stars, and other gaming-related objects float in the distance.
Engineering & Developers
Discord Patch Notes: September 3, 2025
Illustration showing a laptop, gaming controller, and headset connected by wireless signals, with a security lock icon above, representing DAVE end-to-end encryption across Discord.
Engineering & Developers
Bringing DAVE to All Discord Platforms
A demonstration of the Discord Social SDK’s cross-platform communications.
Engineering & Developers
Discord’s Powerful Cross-Platform Chat: Ready for Your Game
Clyde and Nelly against a dark, blurred background. Icons of crowns, trophies, stars, and other gaming-related objects float in the distance.
Engineering & Developers
Discord Patch Notes: August 4, 2025
Clyde and Nelly against a dark, blurred background. Icons of crowns, trophies, stars, and other gaming-related objects float in the distance.
Engineering & Developers
Discord Patch Notes: July 7, 2025
A set of flat head screwdrivers.
Engineering & Developers
How Discord Indexes Trillions of Messages
Wumpus running up a staircase made of Discord Developer logos.
Engineering & Developers
Overclocking dbt: Discord's Custom Solution in Processing Petabytes of Data
A Discord text conversation being shown simultaneously in Discord and in a video game’s text chat system.
Engineering & Developers
Announcing Discord’s Social SDK, Helping Power Your Game’s Social Experiences
A classroom chalkboard with the Discord logo drawn on it.
Engineering & Developers
The Game Developer Playbook, Part One: Getting Started on Discord
Engineering & Developers
The Game Developer Playbook, Part Two: Early Access and Pre-Launch
Three floating Discord logos encased in cubes.
Engineering & Developers
Modern Image Formats at Discord: Supporting WebP and AVIF
Nelly and Clyde having a Discord conversation.
Engineering & Developers
Supercharging Discord Mobile: Our Journey to a Faster App
Nelly, a robot hamster, floating and holding a flathead screwdriver.
Engineering & Developers
How Discord Seamlessly Upgraded Millions of Users to 64-Bit Architecture
Clyde, a robot, is showing off the Discord mobile app. He looks surprised!
Engineering & Developers
Measuring Product Impact Without A/B Testing: How Discord Used the Synthetic Control Method for Voice Messages
Clyde, a helpful robot, looks very excited as old CRT monitors float around them! One of the monitors shows a string of binary code, while the other shows a game of Snake currently playing. It’s implied that Clyde is developing a game for their friends to play.
Engineering & Developers
Come Build Where the World Plays
Nelly, a robot hamster, taking a wrench to a device, representing an engineer fixing up Discord!
Engineering & Developers
How Discord Reduced Websocket Traffic by 40%
A long, worm-like creature wearing a detective outfit is inspecting a flowchart. A small dog is on the right side, peeking over the flowchart.
Engineering & Developers
Learning From Structure: Discord’s Entity-Relationship Embeddings
Two devices are showing a voice call happening. Additional encryption icons indicate that their call is end-to-end encrypted.
Engineering & Developers
Meet DAVE: Discord’s New End-to-End Encryption for Audio & Video
The phrase “Discord App Pitches 2024 Winners” in front of a wireframe representation of a planet. Icons representing app development, gaming, trophies, and Discord itself surround the planet.
Engineering & Developers
Presenting Your App Pitches 2024 Winners!
Clyde, a robot, conversing in a Discord voice call. Files and videos are attached to the text conversation.
Engineering & Developers
How Discord Uses Open-Source Tools for Scalable Data Orchestration & Transformation
Eight friends, represented by Discord characters, enjoying a group video call on Discord together. Some are playing games and reading books together, while others are watching movies and playing musical instruments. Everyone is having fun, smiling while talking away!
Engineering & Developers
From Blocky to Brilliant: Improving Video Quality on Discord Go Live on AMD GPUs
Engineering & Developers
Developing Rapidly with Generative AI
The logo for Access on a shield. Alongside it are icons and logos representing data, including cubes and line bars.
Engineering & Developers
Access: A New Portal for Managing Internal Authorization
An art piece depicting the Discord logo among developer-themed iconography and visuals, including wireframes, brackets, meters, and banners.
Engineering & Developers
It’s time to Pitch Your Discord Apps!!
An art piece depicting the Discord logo among developer-themed iconography and visuals, including wireframes, brackets, clouds, and chat bubbles.
Engineering & Developers
Headed to GDC 2024? Check Out the Latest News for Discord Game Devs
An exaggerated image of an ongoing Discord conversation. Clyde, a robot, is the focus of the video call, and an active chat is on the side of the screen.
Engineering & Developers
How It All Goes Live: An Overview of Discord’s Streaming Technology
The Discord and Coder logos in front of a background of a saturated night sky.
Engineering & Developers
How Discord Moved Engineering to Cloud Development Environments
A neon collage of developer iconography, including the Active Developer badge, a coffee cup satellite and all sorts of knobs and screens.
Engineering & Developers
Discord Developers, Here’s to 2023 and What’s to Come!
A repeating pattern of hammers against a light background.
Engineering & Developers
How Discord Modernized MFA with WebAuthn
Nelly, a robot hamster, taking a wrench to a device, representing an engineer fixing up Discord!
Engineering & Developers
pytest daemon: 10X Local Test Iteration Speed
The phrase “250K” over a grid-like sphere representing the world.
Engineering & Developers
The DDevs Server Celebrates 250k Members!
Discord penguin character with a book on their head.
Engineering & Developers
25% or 6 to 4: The 11/6/23 Authentication Outage
The Discord logo is surrounded by imagery relating to development on Discord: brackets, grids, and line graphs surround the center.
Engineering & Developers
Congrats to the Discord App Pitches 2023 Finalists!
A simplified depiction of the Discord app for desktop, surrounded by floating friends chatting away.
Engineering & Developers
Maxjourney: Pushing Discord’s Limits with a Million+ Online Users in a Single Server
Wumpus showing off a selection of products available for purchase.
Engineering & Developers
Developers on Discord: Enjoy Premium App Subscriptions and more!
A depiction of Discord transporting between two portals.
Engineering & Developers
Encryption for Voice and Video on Discord
Engineering & Developers
How Discord Rolled Out Yubikeys for All Employees
AutoMod doing their thing: blocking messages unsuitable for the community they’re guarding. The Active Developer profile badge hovers over AutoMod.
Engineering & Developers
Developers, Supercharge Your Moderation with AutoMod
Wumpus is surrounded by monitors designed for development.
Engineering & Developers
Join us at GDC 2023, both IRL and on Discord!
The Discord logo surrounded by representations of chat messages. They look to be shooting out from the Discord logo.
Engineering & Developers
How Discord Stores Trillions of Messages
A person representing someone who creates apps for Discord works in their laboratory. There are helpful robots, science experiments and floating monitors aplenty.
Engineering & Developers
Attention Discord Developers: The App Directory is Here!
Engineering & Developers
How Discord Supercharges Network Disks for Extreme Low Latency
Engineering & Developers
Using Machine Learning to Build a Delightful Notification Experience
Engineering & Developers
How Data Science Informs Strategy & Innovation at Discord
Engineering & Developers
Why and How Discord Uses Patch to Test Elixir
Engineering & Developers
How Discord Creates Insights from Trillions of Data Points
Engineering & Developers
Building open-source design tools to improve Discord’s design workflow
Engineering & Developers
How Discord Implemented App-Wide Keyboard Navigation
Engineering & Developers
How Discord Made Android In-App Navigation Easier
Engineering & Developers
Why Discord is switching from Go to Rust
Engineering & Developers
How Discord achieves native iOS performance with React Native
Engineering & Developers
Light Theme, Redeemed
Engineering & Developers
Investigating Discord’s React Memory Leak
Engineering & Developers
Using Rust to Scale Elixir for 11 Million Concurrent Users
Engineering & Developers
Redesigning the Discord Overlay
Engineering & Developers
How Discord Handles Two and Half Million Concurrent Voice Users using WebRTC
Engineering & Developers
How Discord Maintains Performance While Adding Features
Engineering & Developers
Why Discord is Sticking with React Native
Engineering & Developers
How Discord Renders Rich Messages on the Android App
Engineering & Developers
Why Reactiflux, Vue Land, Yarn, and other open source communities use Discord
Engineering & Developers
How Discord Resizes 150 Million Images Every Day with Go and C++
Engineering & Developers
Lessons from migrating a large codebase to React 16
Engineering & Developers
Parent’s Guide to Discord
Engineering & Developers
How Discord Scaled Elixir to 5,000,000 Concurrent Users
Engineering & Developers
How Discord Indexes Billions of Messages
Engineering & Developers
How Discord Stores Billions of Messages
Engineering & Developers
How Discord handles push request bursts of over a million per minute with Elixir’s GenStage
Engineering & Developers
We Care About Your Voice (Engineering Special)
Engineering & Developers
Using React Native: One Year Later
Load More
Engineering & Developers
Search
Discord Home
Language
English (US)
Social
TwitterInstagramFacebookYoutubeTiktok
Menu

Product

Product

Company

Company

Resources

Resources

Policies

Policies
Social
TwitterInstagramFacebookYoutubeTiktok
Discord