Nope. Let two command blocks run at the same time for 15 minutes and nothing happened.
Hi. I know this ticket is already 2y/o but I have lost the crash report
This issue is NOT resolved. I find this a non-resolved issue and do not think that it should be marked as RESOLVED until it is fixed in Minecraft Java Edition.
When opening a new 1.13 world in an NBT editor, it says
version:1.13
snapshot:0