This specific patch was primarily focused on stabilization and security:
An improved pen tool allows for smoother, more accurate drawing and signing on Windows 10 devices. Version 2020.012.20048 Update Highlights
Users can run Optical Character Recognition on scanned documents with live text, making them fully searchable and editable. Adobe Acrobat Pro DC 2020.012.20048 -x86 x64-...
This version includes improved workflows for creating and verifying PDFs that meet WCAG 2.0 and PDF/UA accessibility standards.
Addressed vulnerabilities that could potentially lead to arbitrary code execution if a user opened a maliciously crafted PDF. This specific patch was primarily focused on stabilization
A unified dashboard to organize, manage, and search for PDFs stored locally or on cloud services like Microsoft OneDrive , Dropbox , and Google Drive .
Resolved issues in the Organize Pages , Forms , and Sandbox viewers to improve overall application stability. System Requirements (Windows) Adobe Acrobat Pro DC 2020.012.20048 -x86 x64-...
While this version supports both 32-bit and 64-bit systems, the 64-bit version offers better performance by accessing larger memory address spaces. Adobe Acrobat 2020 FAQ