Release notes: 21.0.0: https://lists.freedesktop.org/archives/mesa-announce/2021-March/000622.html 21.0.1: https://lists.freedesktop.org/archives/mesa-announce/2021-March/000624.html 21.0.2: https://lists.freedesktop.org/archives/mesa-announce/2021-April/000625.html DRI swrast driver was removed: https://cgit.freedesktop.org/mesa/mesa/commit/?h=21.0&id=435de835cd639d1b9bb96f81fc224771dc90af6d OSMesa classic support was removed: https://cgit.freedesktop.org/mesa/mesa/commit/?h=21.0&id=ee802372180a2b4460cc7abb53438e45c6b6f1e4 To avoid any conflict, and to show that the new OSMesa is Gallium-based, we name the new option with a _GALLIUM suffix, even though this is now the only OSMesa implementation left. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> [yann.morin.1998@free.fr: - rename the new option s/$/_GALLIUM/ - don't drop the the old (pre-classic) legacy option - slightly reword the OSMesa help entry ] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>