Robert, You're quite right about 'no official announcement', though a leak to a widely read website such as the thedigitalbits comes pretty close. The 2-3 year planning process is quite consistent with my expectations, that's why, with the current turmoil at WB (and Lieberfarb's 'sudden...
I'll add my disappointment at the delay, despite the valid reasons. With all the experience available at restoration efforts with this kind of material they could have anticipated the effort level and put some contingency into the schedule to make the anniversary release come to pass :frowning...