In T55162#515822, @Gibran Kaleel (razgriz286) wrote:

Also +1. No to 'Backspace' as another delete. Just a waste of a key and completely pointless. Takes away the whole purpose of a 'Default Minimal Keymap'. I think 'X' for 'Workflow' and 'Delete' for 'Standard' is reasons enough.

IMHO reassigning spacebar is a bad decision, spacebar should be used for most frequently used operations. Having it assigned as it is now isn't a big improvement. Since we have manipulators single key shortcuts (e.g. G,R,S) could be used to switch between tools.