G-Code Error?

I just pushed a fix for this bug. It'll be in v2.7.0-39-g1c5461c from the buildbot, and in 2.7.1 when that gets released.

What was causing the problem?

It was a bug introduced between 2.6 and 2.7, as part of the trajectory planner work.

When doing arcs in the XY plane, the secondary axes (ABCUVW) could sometimes be converted from program coordinates to a simplified internal representation called "canonical coordinates" twice, resulting in the bogus W value that you reported.

Give the 2.7 branch a try and let me know if it fixes the problem for you.

Thanks

Looking forward to trying it.

Is it only available through git at the moment?

When should it be ready from buildbot? It may be a week or so until I might have the time to setup a git pull on one of the machines.

Packages with the fix are available from the buildbot now. Make sure you get v2.7.0-39 or newer.

Yes that seems to have fixed the problem for me.

Thank you for all your efforts. Even with the few bugs that are there, I think 2.7 (and it's new TP) are a vast improvement over 2.6 for us.