Recently I had to reinstall Ubuntu studio 18.04 to “fix” some problems I didn’t know how to deal with. I’ve always used the Pascal de Bruijn “fairly stable” ppa to get an updated Darktable release. I happened to notice that the Software center had Darktable 2.6.2 available as a Snap package. The “fairly stable” ppa release is Darktable 2.6.1, so I tried the Snap version. Now it’s entirely possible that I may have done something wrong but when I checked to see if opencl was working , I found the “not available” message. I have all the Nvidia libraries installed same as always but no opencl with the Snap package. So I got rid of it and installed the trusty ppa and all is well again.
It’s not a big deal to me to have 2.6.1 running instead of 2.6.2, but my curiosity has the better of me here. I couldn’t find anything out there about Darktable snap and opencl, so I figured I’d see what our forum has to say here.