Open-source News

What even is the harness in AI?

Red Hat News - Thu, 05/21/2026 - 08:00
I recently saw OpenClaw referred to as a harness. I thought, “That’s interesting. OpenClaw isn’t a harness. It’s an agent runtime—it drives the agent loop.” So, what does the word "harness" even mean?The conversation so farThe structural baseline for the concept comes from Birgitta Böckeler's April 2026 article, which elegantly defines an agent as model + harness = agent. She bifurcated the stack into a builder harness (the inner runtime shipped with the tool) and a user harness (the developer's custom context). This definition built on a wave of discussion from February 2026, whi

Red Hat's Approach to Keyboard Testing for Web Accessibility

Red Hat News - Thu, 05/21/2026 - 08:00
One of the core principles of Red Hat’s open source culture is open exchange, which is the belief that information should be freely available and accessible to anyone. I recently represented Red Hat at Axe-con 2026, the free accessibility conference organized by Deque Systems. There, I shared one of the methods we use to ensure an inclusive experience on our public websites: Keyboard accessibility testing.My Axe-con presentation outlined the topic and invited viewers to join me in a live demonstration of some keyboard testing practices. After the demo, I performed a quick top-to-bottom test

AMDGPU HDMI 2.1 FRL To Be Initially Disabled-By-Default

Phoronix - Thu, 05/21/2026 - 05:34
One of the most exciting developments in recent times for the open-source AMDGPU kernel graphics driver is HDMI 2.1 FRL support for the AMDGPU driver along with Display Stream Compression support as they work toward providing full HDMI 2.1 support for this open-source AMD Radeon driver. The details how AMD managed to pull this feat off given prior resistance from the HDMI Forum remains to be confirmed, but it's moving ahead and out today is the latest iteration of the HDMI 2.1 FRL+DSC patches...

The Very Exciting Cache Aware Scheduling Looks Like It Will Land For Linux 7.2

Phoronix - Thu, 05/21/2026 - 03:44
As a very exciting development ahead of the Linux 7.2 kernel merge window opening in about one month's time, it looks like the long-awaited Cache Aware Scheduling support will finally be merged! CONFIG_SCHED_CACHE has made it into a TIP branch with all the Cache Aware Scheduling code for helping with Linux performance on modern CPUs sporting multiple last level caches...

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