One of the rather elusive items on the Linux desktop is High Dynamic Range (HDR) display support... There's been code in the works for years but across desktops and drivers, it's still a long-term effort getting HDR support on the Linux desktop. Even going back to 2016, with NVIDIA's cross-platform driver code the Linux desktop remained the bottleneck. There is at least some ongoing work to address this long-term issue with AMD this week presenting on the topic...
Merged last month into Mesa 22.3 was Rusticl as a Rust-written OpenCL implementation for Gallium3D that is beginning to work with the open-source Radeon Linux driver, the Intel "Iris" Gallium3D driver, and others. This is also the first Rust-written component within the Mesa code-base. Karol Herbst of Red Hat who has led Rusticl development presented this week in Minnesota on this promising cross-vendor OpenCL implementation that may also support SYCL in the future...