Adobe released a third optional hotfix this month, this release for both Adobe Acrobat and Adobe Reader for Windows and macOS that addresses important bug fixes.
Release date: February 25, 2020
Vulnerability identifier: None
Platform: Windows and MacOS
Bug fixesSandbox- 4312515: Not able to render and switch out from PV in Portfolio files and blank page is rendered.
Rendering- 4323682: Acrobat DC disappears upon opening files with comments.
PDF Shell
- 4324435: PDF thumbnails are not getting generated after the latest update in Reader DC.
Search- 4324443: Not able to Find/Search text in PDF documents
- 4324730: Acrobat is not able to load BPDX file
PDFL- 4324516: Acrobat is not able to launch if 3rd party tools "PDFLib TET Plugin" is placed
JavaScript- 4324590: app.thermometer produces error when it's value is updated
Security-Signatures
- 4324697: Crash on Opening a particular Signed PDF
PDF Optimizer- 4325421: Win: Acrobat Standard - Reduce File Size option not being displayed under File menu
Update : Reader DC was updated to version 21.001.20142. Updates should become available via the internal updater or checks can be manually activated by choosing Help/Check for Updates.
Note: UNcheck any pre-checked additional options presented with the update. They are not part of the software update and are completely optional.
Release Notes (https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/continuous/dccontinuousfeb2021qfe3.html#dccontinuousfebtwentytwentyoneqfe3)