The term refers to a known crack/release group, and "top" might mean top result or top release.
: Open Lightroom from your applications folder.
: Allowed users to edit photos even when the original high-resolution files were offline.
Another open-source RAW processor with advanced color handling.
: Enabled editing of high-resolution images even when the original source files were offline (e.g., on a disconnected external drive). The Lightroom Queen 64-Bit Performance and Architecture
The emphasis on "64-bit" in the title highlights a major hardware transition. In 2014, the move away from 32-bit architecture allowed Lightroom to address more RAM, enabling the high-resolution RAW processing we take for granted today. It was the moment digital photography moved from "managing files" to "manipulating data" at scale.