1.5.3.pre3
- Merge pull request #10792 from todor-ivanov/bugfix_MSUnmerged_BuffOverflow_fix-10713 - Delete file lists in slices. - Merge pull request #10795 from amaltaro/fix-10791 - fix unit tests - Fix Multicore/EventStreams override in Resubmission of StepChains - Merge pull request #10789 from amaltaro/fix-10788 - Merge pull request #10794 from amaltaro/fix-10793 - Update Python3 requirements list with Sphinx and Jinja2 - improved unit tests - Keep Resubmission spec and json data consistent