: The 21.001.20145 release included a 64-bit installer for Adobe Reader DC on Windows.
: Removal of Flash Player preferences following Adobe's end-of-life for the software. Adobe Acrobat and Reader DC - February 2021 Update Release
: Resolved a critical issue where comments were missing in shared reviews if they were made using Reader DC. Key Improvements in the 21.x Continuous Track Adobe Acrobat DC v21.001.20145
: The Heads-up Display (HUD) now automatically undocks based on the window size.
Adobe Acrobat DC version was an optional hotfix patch released on March 10, 2021 . It was primarily designed to address a specific functional bug rather than introduce broad new tools. Primary Feature & Bug Fix : The 21
: Enhancements to the Acrobat extension for Google Chrome.
As part of the broader (which this version patched), users gained access to the following enhancements: Key Improvements in the 21
: Ability to create a blank PDF directly from the File menu.