As the third bug-fix update of the 2018.3 branch, this version includes all the hallmark "Top" features introduced in that cycle:
It resolved compatibility issues with Maven 3.6.0 , which previously caused issues in the IDE's internal build processing. jetbrains intellij idea ultimate 201833 top
Full support for cloning, updating, and diffing Git submodules was integrated into the core VCS workflow. As the third bug-fix update of the 2018