As a 10.14-family release, this version retained all the flagship capabilities introduced with the launch of macOS Mojave: Download macOS Mojave 10.14.5 Update - Apple Support (IE)

: Required all kernel extensions (KEXTs) signed after April 7, 2019, to be notarized by Apple to successfully load. 💻 Baseline Mojave Features Retained

: Specifically addressed and improved audio lag issues on 15-inch MacBook Pro models introduced in 2018.

: Resolved a software bug that caused extremely large documents in apps like OmniOutliner and OmniPlan to render incorrectly.

: This update included critical microcode mitigations for the "ZombieLoad" (MDS) speculative execution vulnerabilities affecting Intel processors.