We tested throttling on the MacBook Pro—now Apple says it has a firmware fix

Enlarge / The 2018 MacBook Pro.

Today, Apple will release macOS High Sierra 10.13.6 Supplemental Update-an update the company says will fix the widely reported performance throttling problem with the new 2018 MacBook Pro.

Since the device's launch about a week ago, some users reported that sustained, heavy utilization of both the CPU and the GPU caused the 15-inch MacBook Pro's Intel Core i9 processor to drop below its base clock frequency, negatively impacting performance for some demanding workloads.

Apple says this was a firmware issue introduced after the company did its own internal benchmarks but before the device made it into consumers' hands. Here is the statement from an Apple spokesperson on the issue and the firmware update meant to resolve it:

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