Good spot @iCFO ! I just had to go back in and take a look and sure enough
This will make a lot of people very happy 
Even more excited now!
Additionally… not mentioned on changelog, but it is possible in the nightly build to show heap memory in Modern UI (as it currently is in Classic) if turned on in preferences (under General)
Adding links to forum references for this feature so they’ll track here if in future
people have the same questions:
https://forum.knime.com/t/variable-filter-after-merge-variable-node/29292
https://forum.knime.com/t/trying-to-delete-some-floating-variables/71835
https://forum.knime.com/t/delete-flow-variable/6641
https://forum.knime.com/t/components-dont-encapsulate-variables/31816