After causing problems for some users including serious boot issues that left them unable to easily access their Macs, Apple pulled a Thunderbolt Software Update (labelled v1.2) from its available downloads last Thursday, June 14. Today the update, which is meant to allow Thunderbolt-equipped Macs to use the new Thunderbolt-to-Gigabit Ethernet adapter, reappeared with a 1.2.1 version number.
