New 18.10 version available in amd website. https://support.amd.com/en-us/kb-articles/Pages/Radeon-Software-for-Linux-Release-Notes.aspx
see also this PR https://github.com/gentoo/gentoo/pull/8288
18.20 version also available: https://support.amd.com/en-us/kb-articles/Pages/Radeon-Software-for-Linux-Release-Notes.aspx
AMD made some changes in 18.xx drivers and it is not easy to make 18.xx drivers to work.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=546de21b62af2af0b42f2ad0f236442d00ad8761 commit 546de21b62af2af0b42f2ad0f236442d00ad8761 Author: Vladyslav Brovko <brovushkin+gentoo@gmail.com> AuthorDate: 2018-06-24 13:49:05 +0000 Commit: Marek Szuba <marecki@gentoo.org> CommitDate: 2018-06-26 19:46:15 +0000 dev-libs/amdgpu-pro-opencl: 18.20.606296 version bump Closes: https://bugs.gentoo.org/656568 Package-Manager: Portage-2.3.36, Repoman-2.3.9 Revised-by: Marek Szuba <marecki@gentoo.org> dev-libs/amdgpu-pro-opencl/Manifest | 1 + .../amdgpu-pro-opencl-18.20.606296.ebuild | 66 ++++++++++++++++++++++ 2 files changed, 67 insertions(+)