Redis: Modernizing and Securing the Foundation
Today we're diving into two important foundation updates in Redis. The team added support for Tcl 9.0 in the test suite, ensuring Redis stays compatible with modern distributions, while also fixing a critical memory safety issue in module reply handling. Contributors kairosci and sundb delivered changes that keep Redis both current and secure.
Duration: PT3M56S
Episode overview
This episode is a short developer briefing from Redis.
It explains recent repository work in plain language.
- Show: Redis
- Published: 2026-02-28T11:09:58Z
- Audio duration: PT3M56S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hey there, Redis developers! Welcome back to another episode of the Redis podcast. I'm your host, and it's February 28th, 2026. Grab your favorite beverage because we've got some really solid foundation work to talk about today.
You know, sometimes the most important changes in a codebase aren't the flashy new features - they're the careful maintenance work that keeps everything running smoothly. And that's exactly what we're seeing today with two merged pull requests that tackle modernization and safety.
Let's start with our first story. kairosci just landed PR 14787, which brings Tcl 9.0 support to Redis's test suite. Now, if you're thinking "Tcl? Really?" - stick with me here, because this is actually a great example of how technology ecosystems evolve.
Here's the thing: Redis uses Tcl for its testing framework, and many modern Linux distributions are shipping with Tcl 9.0 as their default version. Without this update, developers on these newer systems would run into compatibility issues when trying to run Redis tests locally. That's not a fun debugging session you…
What I love about this PR is how thoughtfully it's implemented. Instead of just bumping version numbers and hoping…
Th…
Nearby episodes from Redis
- Small Fix, Big Impact - Memory Leak Prevention
- When Consistency Matters - The Enum Config Fix
- When Tests Fail Silently (A Detective Story)
- The Beauty of Small Fixes
- Memory Leak Squashing & Clean Code Victories
- Expiration Logic Gets Smarter
- Command Cleanup and Compiler Compatibility
- Stream Persistence Gets Smarter + Developer Quality of Life Wins