Product notes
Product updates, new challenges, and improvements, newest first.
Anonymous mode
Hide your GitHub name and avatar behind a generated identity while keeping your profile and examples public.
A Git walkthrough
A Git walkthrough joined the Screencasts tab, which was later retired in March 2026.
Highlighted code examples
Selected examples from screencast authors were pinned to help learners find a starting point.
Profile settings and an About field
A settings page and an About field gave learners more control over their profile.
Collapsible stage instructions
Expand or collapse sections of long stage instructions while you work.
Turbo test runs
A membership experiment introduced faster test runs, with some free runs retaining the faster path.
Redis Streams
Extend your Redis server with stream data structures and commands.
Go-specific Redis hints
Redis's base stages gained hints about useful Go standard-library functions.
Progress through concepts
Concepts began tracking your progress and showing how many blocks remained.
Replicate your Redis server
Add replication handshakes, propagate commands, and keep replicas in sync with a Redis primary.
Extensions available by default
Challenge extensions became enabled by default, making the stages beyond each base challenge easier to discover.
How Challenges Work
An interactive introduction explained the challenge workflow; anonymous access followed during February.
Reading is good.
Doing is better.
Build your own Claude Code, Shell, or SQLite. Understand what’s underneath.