Topic summary
Production limbo

Extracted from the Wikipedia article Development hell.
The term is also applied more generally to describe any project that has unexpectedly stalled in the planning or design phase, has failed to meet its originally expected date of completion, and is languishing in those phases for what is seen as an unreasonably long time. The related terms production hell and production limbo refer to situations in which a film has begun production but has remained unfinished for a long time without progressing to post-production.