You may have heard of TCR: https://medium.com/@kentbeck_7670/test-commit-revert-870bbd756864
But we're interested in trying Limbo on The Cheap here: https://medium.com/@kentbeck_7670/limbo-on-the-cheap-e4cfae840330
The idea revolving on a pair (or teams) working on the same codebase.
If you want to know more. Check the birth of the idea also: https://medium.com/@kentbeck_7670/limbo-scaling-software-collaboration-afd4f00db4b