Hello, sorry for the delay Lucas it's been a hectic few weeks. Here is my test for the proposed version. [Testing proposed] All tests were done in a mantic lxc container. The test ppa used is the oibaf mesa ppa. - Make sure the oibaf ppa version of mesa is installed: root@build-mantic:~# dpkg -l | grep mesa ii libegl-mesa0:amd64 24.2~git2404300600.3daee9~oibaf~m amd64 free implementation of the EGL API -- Mesa vendor library ii libgl1-mesa-dri:amd64 24.2~git2404300600.3daee9~oibaf~m amd64 free implementation of the OpenGL API -- DRI modules ii libglapi-mesa:amd64 24.2~git2404300600.3daee9~oibaf~m amd64 free implementation of the GL API -- shared library ii libglx-mesa0:amd64 24.2~git2404300600.3daee9~oibaf~m amd64 free implementation of the OpenGL API -- GLX vendor library ii mesa-utils 9.0.0-1 amd64 Miscellaneous Mesa utilities -- symlinks ii mesa-utils-bin:amd64 9.0.0-1 amd64 Miscellaneous Mesa utilities -- native applications ii mesa-vulkan-drivers:amd64 24.2~git2404300600.3daee9~oibaf~m amd64 Mesa Vulkan graphics drivers - Make sure the system is fully updated: root@build-mantic:~# apt update && apt upgrade Hit:1 http://archive.ubuntu.com/ubuntu mantic InRelease Hit:2 http://archive.ubuntu.com/ubuntu mantic-proposed InRelease Hit:3 http://archive.ubuntu.com/ubuntu mantic-updates InRelease Hit:4 http://security.ubuntu.com/ubuntu mantic-security InRelease Hit:5 http://archive.ubuntu.com/ubuntu mantic-backports InRelease Hit:6 https://ppa.launchpadcontent.net/oibaf/graphics-drivers/ubuntu mantic InRelease Reading package lists... Done Building dependency tree... Done Reading state information... Done All packages are up to date. Reading package lists... Done Building dependency tree... Done Reading state information... Done Calculating upgrade... Done The following package was automatically installed and is no longer required: libllvm15 Use 'apt autoremove' to remove it. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. - Make sure proposed is enabled and ppa-purge is installed from proposed: root@build-mantic:~# cat /etc/apt/sources.list | grep proposed deb http://archive.ubuntu.com/ubuntu mantic-proposed restricted main multiverse universe root@build-mantic:~# apt list ppa-purge Listing... Done ppa-purge/mantic-proposed,now 0.2.8+bzr63-0ubuntu1.23.10.1 all [installed] N: There is 1 additional version. Please use the '-a' switch to see it - Try removing the oibaf ppa using ppa-purge: root@build-mantic:~# ppa-purge ppa:oibaf/graphics-drivers Updating packages lists PPA to be removed: oibaf graphics-drivers Package revert list generated: libdrm-amdgpu1:amd64/mantic libdrm-common/mantic libdrm-intel1:amd64/mantic libdrm-nouveau2:amd64/mantic libdrm-radeon1:amd64/mantic libdrm2:amd64/mantic libegl-mesa0:amd64/mantic libgbm1:amd64/mantic libgl1-mesa-dri:amd64/mantic libglapi-mesa:amd64/mantic libglx-mesa0:amd64/mantic mesa-vulkan-drivers:amd64/mantic Updating packages lists Reading package lists... Done Building dependency tree... Done Reading state information... Done Selected version '2.4.115-1' (Ubuntu:23.10/mantic [amd64]) for 'libdrm-amdgpu1' Selected version '2.4.115-1' (Ubuntu:23.10/mantic [all]) for 'libdrm-common' Selected version '2.4.115-1' (Ubuntu:23.10/mantic [amd64]) for 'libdrm-intel1' Selected version '2.4.115-1' (Ubuntu:23.10/mantic [amd64]) for 'libdrm-nouveau2' Selected version '2.4.115-1' (Ubuntu:23.10/mantic [amd64]) for 'libdrm-radeon1' Selected version '2.4.115-1' (Ubuntu:23.10/mantic [amd64]) for 'libdrm2' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'libegl-mesa0' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'libgbm1' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'libgl1-mesa-dri' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'libglapi-mesa' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'libglx-mesa0' Selected version '23.2.1-1ubuntu3.1' (Ubuntu:23.10/mantic-updates [amd64]) for 'mesa-vulkan-drivers' The following package was automatically installed and is no longer required: libllvm16 Use 'apt autoremove' to remove it. The following packages will be DOWNGRADED: libdrm-amdgpu1 libdrm-common libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libegl-mesa0 libgbm1 libgl1-mesa-dri libglapi-mesa libglx-mesa0 mesa-vulkan-drivers 0 upgraded, 0 newly installed, 12 downgraded, 0 to remove and 0 not upgraded. Need to get 20.2 MB of archives. After this operation, 38.7 MB disk space will be freed. Do you want to continue? [Y/n] Get:1 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm2 amd64 2.4.115-1 [40.3 kB] Get:2 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm-common all 2.4.115-1 [7488 B] Get:3 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm-intel1 amd64 2.4.115-1 [65.1 kB] Get:4 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm-nouveau2 amd64 2.4.115-1 [17.6 kB] Get:5 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm-radeon1 amd64 2.4.115-1 [21.0 kB] Get:6 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 libegl-mesa0 amd64 23.2.1-1ubuntu3.1 [115 kB] Get:7 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 libgbm1 amd64 23.2.1-1ubuntu3.1 [40.6 kB] Get:8 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 libglx-mesa0 amd64 23.2.1-1ubuntu3.1 [153 kB] Get:9 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 libgl1-mesa-dri amd64 23.2.1-1ubuntu3.1 [8954 kB] Get:10 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 libglapi-mesa amd64 23.2.1-1ubuntu3.1 [40.0 kB] Get:11 http://archive.ubuntu.com/ubuntu mantic/main amd64 libdrm-amdgpu1 amd64 2.4.115-1 [20.1 kB] Get:12 http://archive.ubuntu.com/ubuntu mantic-updates/main amd64 mesa-vulkan-drivers amd64 23.2.1-1ubuntu3.1 [10.7 MB] Fetched 20.2 MB in 8s (2544 kB/s) dpkg: warning: downgrading libdrm2:amd64 from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 (Reading database ... 51483 files and directories currently installed.) Preparing to unpack .../00-libdrm2_2.4.115-1_amd64.deb ... Unpacking libdrm2:amd64 (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading libdrm-common from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 Preparing to unpack .../01-libdrm-common_2.4.115-1_all.deb ... Unpacking libdrm-common (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading libdrm-intel1:amd64 from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 Preparing to unpack .../02-libdrm-intel1_2.4.115-1_amd64.deb ... Unpacking libdrm-intel1:amd64 (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading libdrm-nouveau2:amd64 from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 Preparing to unpack .../03-libdrm-nouveau2_2.4.115-1_amd64.deb ... Unpacking libdrm-nouveau2:amd64 (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading libdrm-radeon1:amd64 from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 Preparing to unpack .../04-libdrm-radeon1_2.4.115-1_amd64.deb ... Unpacking libdrm-radeon1:amd64 (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading libegl-mesa0:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../05-libegl-mesa0_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking libegl-mesa0:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... dpkg: warning: downgrading libgbm1:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../06-libgbm1_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking libgbm1:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... dpkg: warning: downgrading libglx-mesa0:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../07-libglx-mesa0_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking libglx-mesa0:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... dpkg: warning: downgrading libgl1-mesa-dri:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../08-libgl1-mesa-dri_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking libgl1-mesa-dri:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... dpkg: warning: downgrading libglapi-mesa:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../09-libglapi-mesa_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking libglapi-mesa:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... dpkg: warning: downgrading libdrm-amdgpu1:amd64 from 2.4.120+git2404180500.362b5b~oibaf~m to 2.4.115-1 Preparing to unpack .../10-libdrm-amdgpu1_2.4.115-1_amd64.deb ... Unpacking libdrm-amdgpu1:amd64 (2.4.115-1) over (2.4.120+git2404180500.362b5b~oibaf~m) ... dpkg: warning: downgrading mesa-vulkan-drivers:amd64 from 24.2~git2404300600.3daee9~oibaf~m to 23.2.1-1ubuntu3.1 Preparing to unpack .../11-mesa-vulkan-drivers_23.2.1-1ubuntu3.1_amd64.deb ... Unpacking mesa-vulkan-drivers:amd64 (23.2.1-1ubuntu3.1) over (24.2~git2404300600.3daee9~oibaf~m) ... Setting up libglapi-mesa:amd64 (23.2.1-1ubuntu3.1) ... Setting up libdrm-common (2.4.115-1) ... Setting up libdrm2:amd64 (2.4.115-1) ... Setting up libdrm-amdgpu1:amd64 (2.4.115-1) ... Setting up mesa-vulkan-drivers:amd64 (23.2.1-1ubuntu3.1) ... Setting up libdrm-nouveau2:amd64 (2.4.115-1) ... Setting up libgbm1:amd64 (23.2.1-1ubuntu3.1) ... Setting up libdrm-radeon1:amd64 (2.4.115-1) ... Setting up libdrm-intel1:amd64 (2.4.115-1) ... Setting up libgl1-mesa-dri:amd64 (23.2.1-1ubuntu3.1) ... Setting up libegl-mesa0:amd64 (23.2.1-1ubuntu3.1) ... Setting up libglx-mesa0:amd64 (23.2.1-1ubuntu3.1) ... Processing triggers for libc-bin (2.38-1ubuntu6.2) ... Scanning processes... Scanning candidates... No services need to be restarted. No containers need to be restarted. No user sessions are running outdated binaries. No VM guests are running outdated hypervisor (qemu) binaries on this host. PPA purged successfully - As we can see from previous step ppa-purge successfully ran. - Confirm that the mesa packages have been downgraded: root@build-mantic:~# dpkg -l | grep mesa ii libegl-mesa0:amd64 23.2.1-1ubuntu3.1 amd64 free implementation of the EGL API -- Mesa vendor library ii libgl1-mesa-dri:amd64 23.2.1-1ubuntu3.1 amd64 free implementation of the OpenGL API -- DRI modules ii libglapi-mesa:amd64 23.2.1-1ubuntu3.1 amd64 free implementation of the GL API -- shared library ii libglx-mesa0:amd64 23.2.1-1ubuntu3.1 amd64 free implementation of the OpenGL API -- GLX vendor library ii mesa-utils 9.0.0-1 amd64 Miscellaneous Mesa utilities -- symlinks ii mesa-utils-bin:amd64 9.0.0-1 amd64 Miscellaneous Mesa utilities -- native applications ii mesa-vulkan-drivers:amd64 23.2.1-1ubuntu3.1 amd64 Mesa Vulkan graphics drivers - As we can see from the above output, ppa-purge was successful in downgrading mesa - Verify that the oibaf ppa has been disabled: root@build-mantic:~# cat /etc/apt/sources.list.d/oibaf-ubuntu-graphics-drivers-mantic.sources | grep Enabled Enabled: no root@build-mantic:~# apt update Hit:1 http://security.ubuntu.com/ubuntu mantic-security InRelease Hit:2 http://archive.ubuntu.com/ubuntu mantic InRelease Hit:3 http://archive.ubuntu.com/ubuntu mantic-proposed InRelease Hit:4 http://archive.ubuntu.com/ubuntu mantic-updates InRelease Hit:5 http://archive.ubuntu.com/ubuntu mantic-backports InRelease Reading package lists... Done Building dependency tree... Done Reading state information... Done All packages are up to date. - We can see that the oibaf ppa was successfully disabled and that the ppa is not used by apt update.