The 2018.011.20038 update is primarily a security and quality-of-life release. It targets several under-the-hood components of the Acrobat engine. 1. Vulnerability Mitigation

The identifier "adobe acrobat pro dc 201801120038" refers to a released by Adobe on February 23, 2018. This specific update addressed critical functional bugs, including rendering errors like "insufficient data for an image" and crashes related to Quick Tools.