21.001.20138 Optional update, Feb 15, 2021

This release is a hotfix patch for Acrobat DC and Acrobat Reader DC that addresses some important bug fixes.

Track details

This hotfix patch is applicable for Acrobat and Reader DC Continuous track.

Available installers

Windows installers (32-bit)

Product	Type	Installer	Size	Language	Install over...
Acrobat	Optional update	AcrobatDCUpd2100120138.msp	399.0 MB	All	DC base (32-bit)
Reader	Optional update	AcroRdrDCUpd2100120138.msp	247.0 MB	All	DC base (32-bit)
Reader	Optional update	AcroRdrDCUpd2100120138_MUI.msp	135.0 MB	All	DC base MUI (32-bit)

Windows installers (64-bit)

Product	Type	Installer	Size	Language	Install over...
Acrobat	Optional update	AcrobatDCx64Upd2100120138.msp	36.0 MB	All	DC base (64-bit)
Reader	Optional update	AcroRdrDCx64Upd2100120138.msp	93.4 MB	All	DC base (64-bit)

Macintosh installers

Product	Type	Installer	Size	Language	Install over...
Acrobat	Optional update	AcrobatDCUpd2100120138.dmg	373 MB	All	DC base
Reader	Optional update	AcroRdrDCUpd2100120138_MUI.dmg	179.1 MB	All	DC base

Bug fixes

Viewer

• 4324395: An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder

Sandbox

• 4324448: Unable to Save PDF file to Citrix ShareFile drive
• 4324392: Unable to save digitally signed PDF to Box drive when “Enable Protected Mode at startup (Preview)” is enabled

Browser

• 4324403: Error “PDF browser plugin is missing, reinstall the application” shown on opening PDF in browser
• 4324403: Hang on connecting to Global Protect tool with error “PDF browser plugin is missing, reinstall the application” shown in background

Printing

• 4324342: “Choose Paper source by PDF page size” checkbox is not working while Protected Mode is enabled

Search

• 4323902: Acrobat is not able to load associated index with a PDF file

Installer

• 4323851: Getting Error 1722 while installing 32-bit Acrobat/Reader on applying latest patch

Fill & Sign

• 4324424: Reader: Nothing happens on clicking “Save a copy” button after adding a signature through Fill and Sign on a Reader extended document

Editing

• 4324400: Cell content from Excel app is getting copied as image to the Edit app

Known issues

For a list of current issues, see http://helpx.adobe.com/acrobat/kb/known-issues-acrobat-dc-reader.html.

Technical details

Go to the Release Notes Home for information about the following:

• How to update
• Update order
• Definition of release types
• System requirements
• Language Support
• Compatibility
• Product end-of-life schedule