▁ 1 2 , ▁ 2 0 0 7 , ▁incorpor ating ▁the ▁previous ▁ 1 4 8 ▁err ata ▁into ▁the ▁D CI ▁Spec ification . ▁On ▁April ▁ 1 5 , ▁ 2 0 0 7 , ▁at ▁the ▁annual ▁N AB ▁Digital ▁Cinema ▁Sum mit , ▁D CI ▁announced ▁the ▁new ▁version , ▁as ▁well ▁as ▁some ▁future ▁plans . ▁They ▁released ▁a ▁" S tere os cop ic ▁Digital ▁Cinema ▁Add endum " ▁to ▁begin ▁to ▁establish ▁ 3 - D ▁technical ▁specific ations ▁in ▁response ▁to ▁the ▁popular ity ▁of ▁ 3 - D ▁s tere os cop ic ▁films . ▁It ▁was ▁also ▁announced ▁" which ▁stud ios ▁would ▁take ▁over ▁the ▁leadership ▁roles ▁in ▁D CI ▁after ▁the ▁current ▁leadership ▁term ▁exp ires ▁at ▁the ▁end ▁of ▁September ." ▁ ▁Sub sequently , ▁between ▁August ▁ 2 7 , ▁ 2 0 0 7 , ▁and ▁February ▁ 1 , ▁ 2 0 0 8 , ▁D CI ▁issued ▁ 1 0 0 ▁err ata ▁to ▁Version ▁ 1 . 1 . ▁So , ▁D CI ▁released ▁Version ▁ 1 . 2 ▁of ▁the ▁D CI ▁Spec ification ▁on ▁March ▁ 7 , ▁ 2 0 0 8 , ▁again ▁incorpor ating ▁the ▁previous ▁ 1 0 0 ▁err ata ▁into ▁the ▁specification ▁document . ▁An ▁additional ▁ 9 6 ▁err ata ▁were ▁issued ▁by ▁August ▁ 3 0 , ▁ 2 0 1 2 , ▁so ▁a ▁re vised ▁Version ▁ 1 . 2 ▁incorpor