- Added the
--isaacsim_sourceCLI option, which incrementally builds Isaac Sim from a source checkout, packages the build as Python wheels, links them into the repository as_isaac_sim_wheels, pointsuvat that directory throughfind-linksinpyproject.toml, pins theisaacsim-localextra to the version it built, and re-resolves Isaac Sim from those wheels. Run Isaac Lab against the build withuv run --extra isaacsim-local. The pin is required because source builds carry pre-release local versions that sort below the published release, so an unpinned extra resolves back to the released wheels onpypi.nvidia.com. - Added a check to
--isaacsim_sourcethat rejects a stale Isaac Sim_buildtree whose packaged Kit kernel does not match the Python ABI its wheel is tagged for, instead of letting Isaac Sim fail later withNo module named 'carb._carb'.