A new hotfix for Awesomenauts has just gone live, reducing general healthpack effectiveness and increasing the rubberbanding in the XP system.
Patch notes and discussion: https://www.awesomenauts.com/forum/viewtopic.php?f=6&t=43218
For the full patch notes history, see here: https://www.awesomenauts.com/forum/viewtopic.php?f=6&t=2440