The build layering feature is coming soon. *Code reviews* have been posted ... https://review.opendev.org/#/c/700819/2 https://review.opendev.org/#/c/700821/9 https://review.opendev.org/#/c/681821/28 https://review.opendev.org/#/c/705092/ *D**ocumentation* can be found in the fourth review, here .... https://review.opendev.org/gitweb?p=starlingx/docs.git;a=blob;f=doc/source/d... *Want to try it out before it merges? * I've set up a modified manifest that pulls in the required updates .... One of ... repo init -u https://opendev.org/starlingx/manifest.git -b refs/changes/04/705104/2 -m compile.xml repo init -u https://opendev.org/starlingx/manifest.git -b refs/changes/04/705104/2 -m distro.xml repo init -u https://opendev.org/starlingx/manifest.git -b refs/changes/04/705104/2 -m flock.xml followed by: repo sync Scott