Today, we are thrilled to announce that we have released full OpenGL® 4.6 and OpenGL® ES 3.2 support for the M1. Unlike the non-conformant 4.1 drivers provided by the vendor, our open source Linux drivers are fully compliant with the latest OpenGL standards, ensuring broad compatibility with modern OpenGL workloads. We have gone through extensive testing to ensure correctness, with over 100,000 tests passed. Our commitment to interoperable open standards allows users and developers to run applications freely without being tied to specific ports. We are proud to be the first conformant driver for any standard graphics API for the M1.
https://rosenzweig.io/blog/conformant-gl46-on-the-m1.html