Compatibility chart for ProBuilder and Unity versions. ProBuilder Version Verified Compatible 1.x Unity 3 2.x Unity 5 3.x 2017.3 4.0 2019.1 2018.4 4.1 2019.3 2018.4 4.2 2019.3 2018.4 4.3 2018.4 5.2 2019.3 6.0 (unreleased) 2023.3