Mesa 19.2.5 has been released. Currently, before Mesa 19.3.0 release, Mesa 19.2.5 represents the latest stable experience in the series and Vulkan OpenGL drivers on the Linux desktop.
It is reported that, in this version, there are many Intel "ANV" Vulkan driver fixes and AMD "RadeonSI" OpenGL driver fixes. Among them, a prominent change RadeonSI is due to such a bug report timeout bug like and disabled GFX10 Navi of SDMA /; in addition, there are two fixes related to the RadeonSI shader cache.
Meanwhile, Mesa 19.2.5 now by LLVMpipe driver, EGL native platform backup fixes and various other most common changes, the large code model for JIT compilation POWER 64 Wei shaders.
Reference News:
https://lists.freedesktop.org/archives/mesa-announce/2019-November/000557.html
https://www.phoronix.com/scan.php?page=news_item&px=Mesa-19.2.5-Released