Unity plans to shut down its ironSource advertising network on April 30 and has begun the process of divesting Supersonic, its casual game publishing arm (Sophie Shulman/CTech)

Sophie Shulman / CTech:
Unity plans to shut down its ironSource advertising network on April 30 and has begun the process of divesting Supersonic, its casual game publishing arm  —  The moves leave little of the Israeli ad-tech firm within Unity, marking a quiet unwind of one of the sector's most high-profile mergers.