System Information
Operating system: Darwin-18.7.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon R9 M370X OpenGL Engine ATI Technologies Inc. 4.1 ATI-2.11.25

Blender Version
Broken: version: 2.83.14, 2.83.15

Short description of error
Blender 2.83.14 and 2.83.15 have been unable to run on macOS 10.14 Mojave and lower. They should be rebuilt URGENTLY. Blender officially supports 10.12+ but technically hasn't for weeks.

Exact steps for others to reproduce the error
Download version 2.83.14 and 2.83.15 from blender.org/lts and try to open it on macOS 10.14 or lower.