unfurl

verb4

1. •
   To unroll or release something that had been rolled up, typically a sail or a flag.

   • They unfurled the flag at the start of the festival.
2. •
   To open up by unrolling.
3. •
   (figurative) To roll out or debut anything.

   • When will we be unfurling the new feature?
4. •
   (figurative) To turn out or unfold; to evolve; to progress.