As the reason for blocking bugs, Mesa 19.3.0 does not publish its original release. In the case of the influence of the US holiday week, Mesa 19.3 interceptor vulnerability may not seem to be promptly removed to release next week.
But now, Mesa 19.3 Release Candidate 5 has been released and can be tested, this version is now 19.3 as the latest version of the series provided. 19.3.0-RC5 most of the changes are for Mesa, in addition to a few other bits and pieces of content RADV.
It is reported that, Mesa 19.3-RC5 version there is an ongoing change content is Valve 's compilation RADV security update , the update backported from Mesa 20.0 Git to 19.3 series, to maintain stability. These changes can be shortened shader compile time and make other improvements.
Meanwhile, in addition to compiling safety position, there are other Radeon Vulkan fixes, as well as a separate R600 driver fixes and V3D driver fixes, and other small objects.
Details: https://lists.freedesktop.org/archives/mesa-dev/2019-November/223815.html