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Release Notes | Acrobat, Reader

Article ID: 884 | Rating: 5/5 from 1 votes | Last Updated: Tue, Jul 12, 2011 at 4:58 AM

Common questions about updates

Why should I update?
Security and improved functionality. Adobe recommends that you install updates to safeguard your system against malicious attacks through PDF files.

Are updates free?
Yes. All Adobe Reader and Acrobat updates are free.Only new, major versions of Acrobat, must be purchased.

How long is the installation time?
Updates take only a few minutes to install.

How do I change the update frequency or disable updates?
To modify settings, go to Preferences > Categories > Updater and set a Check For Updates option. For more information, see this technote.

Acrobat and Reader X release notes

If you have trouble opening a note, right-click the release note and save the file to your desktop.

Date	Release Notes	Release Type*	Focus
Mar 21, 2011	10.0.2	OOC	Latest release. This patch fixes a vulnerability and provides an updated Flash player.
Feb 8 2011	10.0.1	Quar.	Numerous security fixes as well as improvements to Protected Mode, QTP support, Flash, and support for SCCM via newly released SCUP catalogs.
Nov 2010	10.0 (PDF)	Major	A phased release with new features: Nov 15 - Acrobat EFGJ, Nov 18 - Reader EFGJ: Nov 18, Dec 12 - Acrobat and Reader for all other languages.

Acrobat and Reader 9.x and 8.x release notes

If you have trouble opening a note, right-click the release note and save the file to your desktop.

Date	Release Notes	Release Type*	Focus
Mar 21, 2011	9.4.3	OOC	Latest release. This patch fixes a vulnerability, provides an updated Flash player, and fixes some bugs which improve printing and other features.
Feb 8 2011	9.4.2 and 8.2.6	Q	Numerous security fixes as well as improvements to navigator and portfolio performances, Flash, and patching in enterprise environments.
Nov 16 2010	9.4.1 (PDF)	OOC	Security patch containing several fixes, including those fixes addressedhere.
Oct 5 2010	9.4, 8.2.5 (PDF)	Q	Enhancements to PDF Creation, roaming profile workflows, and a Flash player update as well as numerous bug fixes. Several security fixes are included as described here and here.
Aug 19 2010	9.3.4, 8.2.4 (PDF)	OOC	Security patch. See the security bulletin.
June 29 2010	9.3.3, 8.2.3 (PDF)	Q	Enhancements for security (including a zero-day fix), performance, bug fixes, improved browser support, and Updater improvements.
April 13 2010	9.3.2 (HTML)	Q	Enhancements for security, JS trust, and more. The Acrobat/Reader Updater replaces the AUM retroactively to 9.2 and 8.1.7.
April 13 2010	8.2.2 (HTML)	Q	Enhancements for security, JS trust, and more. The Acrobat/Reader Updater replaces the AUM retroactively to 9.2 and 8.1.7.
Feb. 16 2010	9.3.1 (HTML)	OOC	Security patch
Feb. 16 2010	8.2.1 (HTML)	OOC	Security patch
Jan 12 2010	9.3 (HTML)	Q	Improvements to enhanced security, cross domain access, security warnings, and more.
Jan 12 2010	8.2 (HTML)	Q	Improvements to enhanced security, cross domain access, security warnings, and more.
Oct. 13 2009	9.2 (HTML)	Q	Fixes several security vulnerabilities and improves prepress, preflight, PDF viewing, redaction, collaboration, forms, 3D, and more.
Oct. 13 2009	8.1.7 (HTML)	OOC	Addresses several security vulnerabilities.
July 31 2009	9.1.3 (HTML)	OOC	Fixes a security vulnerability.
June 16 2009	8.1.6 (HTML)	OOC	Unix only. Addresses several security vulnerabilities.
June 9 2009	9.1.2 (HTML)	Q	Improved security, browser support, and performance.
June 9 2009	8.1.6 (HTML)	OOC	Addresses several security vulnerabilities.
May 12 2009	8.1.5 (HTML)	OOC	Fixed two security vulnerabilities.
May 12 2009	9.1.1 (HTML)	OOC	Fixed two security vulnerabilities.
Mar 18 2009	9.1 (HTML)	Q	Improvements in stability, forms/XFA, portfolios, hosted services, security, and digital signatures.
Mar. 1 2009	8.1.4 (HTML)	OOC	Addresses a buffer overflow security vulnerability. Reader on Linux and Solaris release date is March 24.
Nov. 4 2008	8.1.3 (HTML)	OOC	Fixes security issues and provides improvements forms, 3D, rendering, and digital signatures
	9.0	Major
June 23 2008	8.1.2 SUI (HTML)	OOC	Windows and Mac OS only: Addresses a buffer overflow security vulnerability. Reader on Linux and Solaris release date was August 17.
Feb 7 2008	8.1.2 (HTML)	OOC	Fixes security issues and provides improvements for forms, 3D, JS, rendering, and more.
2008	8.1.1 (HTML)	OOC	Fixes security issues and provides improvements for forms and other features. Removes Kinko's button.
2008	8.1	Q
	8.0	Major

*Release types

Major release: A major, functional release with many new and improved features developed on an 18 month release cycle.

Quarterly update (Q): A scheduled update that includes functional improvements, new security updates, and previously released out-of-cycle patch updates. For Reader, these updates are sometimes available as full installers.

Out-of-cycle patch (OOC): An update targeted at security fixes. These noncumulative patch files contain few functional updates with the intention to limit impact.

Note: Both quarterly updates and out-of-cycle updates can provide security enhancements. Adobe recommends that all updates and patches be applied when available.