This network upgrade introduces the following FIPs:
- FIP-0081: Introduce lower bound for sector initial pledge
- FIP-0094: Add Support for EIP-5656 (MCOPY Opcode) in the FEVM
- FIP-0095: Add FEVM precompile to fetch beacon digest from chain history
This network version uses built-in actors v15.0.0, available in the release branch: release/v15
Full diff from v14 → v15 can be seen here.