Its actually perfectly OK to use the map 6.61b in this tournament. The map has been tested by European leagues for weeks and is proved to be stable for league use.

The next SMM in Sarawak will use this new map too. Reason for me not to suggest changing to 6.61b earlier is because of the ADC qualfiers which will end within the week still uses the old version.

For this tournament that starts at the early of August, I do wish its 6.61b for everyone to start adapting to the new map in preparation for SMM Grand Finals where basically everyone else already has a month of head start ahead of us.
However, its perfectly understandable to stick to 6.59d as the change might prove to be too drastic for many to adopt is such short notice.

The decision might make this tournament the pioneer of a new era rather than a defender of a dying map.