Pro 12.1.1 (build 17801503) — Vmware Fusion
: This version was part of the major shift away from Kernel Extensions . Instead of using proprietary drivers that lived deep in the system, it utilized Apple’s own Hypervisor and Networking APIs . This made the software more secure and future-proof as Apple began phasing out third-party kernel access.
Build 17801503 was a specific refinement within the Fusion 12 cycle. While the initial Fusion 12 launch introduced support for as both a host and guest, version 12.1.1 focused on stabilizing this new architecture. VMware Fusion Pro 12.1.1 (build 17801503)
: It addressed early "teething" issues with Big Sur, such as UI glitches on Retina displays and mouse cursor scaling problems. Key Features for Power Users : This version was part of the major
, released in early 2021, served as a pivotal maintenance update during a transformative era for the Mac. It was designed to bridge the gap between traditional Intel-based virtualization and the then-new world of Apple Silicon and macOS Big Sur . The "Bridge" Version Build 17801503 was a specific refinement within the
As a "Pro" edition, this build included several high-end capabilities not found in the standard "Player" version: VMware Fusion 25H2u1 Release Notes - Broadcom TechDocs