2014-02-24: 8.0 build 40795.
- Resolved the problem with Mavericks claiming avast! to be incompatible (happened during system update).
- Minor fixes.
2014-01-16: 8.0 build 40527.
- Code signed KEXTs to improve compatibility with OS X 10.9.x
- Minor fixes.
2013-09-30: 8.0 build 40005.
- Fixed issues with registration on 10.9.x
- Minor fixes.
2013-09-30: 8.0 build 39915.
- System requirements have changed:
- Requires OS X 10.6.8 or newer.
- Compatible with OS X 10.9.x (Mavericks)
- New program/VPS update mechanism.
- Support for silent program updates: Smaller program updates not obtrusive anymore.
- New install and uninstall:
- Clean install is now performed by *.pkg, and not on the 1st run of the avast! GUI application.
- Uninstall can be triggered from GUI as before, or directly from a standalone utility, present on the distribution along with the installer.
(can also uninstall old version 7.0).
2013-09-30: 7.0 build 39902.
- Many minor GUI fixes.
- New program/VPS update mechanism (backported from 8.0).
- The new update shall do silent update to 8.0 if system satisfies system requirements for it (>= 10.6.8)
- Please note further program updates for 7.0 are not planned. VPS updates shall continue for some foreseeable future.
2013-07-03: Build 39141.
- Fixed duplication of scan types when updating from 39048.
2013-07-03: Build 39134.
- Fix compatibility WebShield compatibility with FireFox 22.
- Minor fixes in GUI.
2013-06-25: Build 39048.
- Allow multi-selection in scan result.
- Allow to define new scan type.
- Fixed handling of certificate expiration in webshield/mailshield.
- Many minor improvements and bug fixes.
2013-03-05: Build 38501.
- Fix compatibility with Mac OS X “Security Update 2013-001”
2013-03-05: Build 38446.
- Fixed possible crashes in webshield/mailshield.
- Fixed the boot issues hitting few users after the latest update.
- Fixed few issues with webrep plugins (un)installation, especially respect the user settings when updating program.
2013-02-27: Build 38403.
- Fixed possible webshield/mailshield deadlock when main daemon crashes.
2013-02-26: Build 38397.
- Added Chest.
- Fileshield now by defaults moves found infections into the chest.
- WebShield and MailShield now handles secured protocols (HTTPS, POPS, IMAPS) much better (and it is enabled by default for mail shield).
- Many minor bug fixes and enhancements.
2012-11-08: Build 37781.
- Fixed fileshield’s occasional kernel panic on OS X 10.8.x while shut-downing the system.
- Fixed VPS update failures on some OS X 10.5.x.
- Many minor bug fixes.
2012-10-18: Build 37682.
- Fixed helper crash on popup display
- Fixed mailshield issue with IMAP folders containing ‘]’ (Gmail)
2012-10-08: Build 37667
- Hotfixes
2012-10-08: Build 37664
- Google Chrome bundling
Crash reporter:
- New component.
- Automatically uploads crash reports (for avast! components) and kernel panics (all of them).
Proxy:
-
Uses its own openssl (to avoid problems with obsolete system openssl compatible with SDK for 10.5).
-
Removes malicious attachments from e-mails.
-
And also many bug fixes.
2012-08-14: Build 37431
Installer:
- Fixed effect of accidental master-unlink state
- Fixed progmac version mixing upon two progmac updates without intermediate vpsmac update
GUI:
- Minor bugfixes
2012-07-24: Build 37264
- Motto of this update is “compatibility with Mac OS X 10.8 (Mountain Lion)”
- Code-signed avast!.app by avast Developer ID certificate so GateKeeper (new feature of 10.8 ) allows using it under the default system settings.
Preferences:
- Fix of saving .plist files (was broken on 10.8 )
GUI:
- Fix crash when requesting repair/move/delete of file which already does not exist on the disk.
2012-07-11: Build 37202
Daemon:
- WebRep integration.
GUI:
- Sizable main window.
- Partial rework of scan report (speed up).
- “Collapse/Expand all” context menu items on Scan Report
- Sample submit sending (false positives etc.).
- Assorted crash fixes.
File System Shield:
- Expanded file path pattern white list (Chrome speed-up).
Proxy:
- Mail Shield adds some mail headers to mark infected mails.
- Registration Wizard:
- Added copy/paste support.
2012-05-29: Build 37028
File system shield:
- Fixed a bug in R2, which causes the activity stat is not sent to GUI.
Proxy:
- Fixed some issues related to possible loss of server certificates.
Start-up:
- Fixed a bug when wrong CommunityIQ data were sent to server during Mac boot.
2012-05-24: Build 36987
GUI:
- Added manual sample submit dialog.
- Connection/disconnection to/from the portal can be done without changes to the registration.
- Fixed non-functional registration on Mac OS X 10.5
- Fixed showing the welcome screen after install.
- Fixed some issues of program update.
- Fixed nonfunctional uninstall when registration app is running.
- Fixed double-scan of some partitions on full system scan.
- Other minor bug fixes.
Sample submitter:
- New helper utility sending the samples to virus lab.
File system shield:
- Fix some issue related to signal handling.
Proxy:
- Fixed issues when /etc/hosts contains non-trivial records.
- Fixed showing pop-up on bad certificate.
- IMAP related bug fixes.
Helper:
- Reworked pop-up configuration.
- Fixed occasional crash on Mac OS X 10.5.
Setup:
- Fixed update race between releasing new version to public repository and update check from clients.
Install:
- Minor bug fixes.
2012-04-27: Build 36770
- Contains newer VPS which does not cause the big memory leaks.
2012-04-26: Build 36758
- First (non-beta) release
Main features:
- engine v7
- filesystem shield
- proxy (web + mail shield)
- main GUI app
- helper (message popper)
- preference pane
- program and VPS update capability
While my Mac has been malware free I did discover in a scan yesterday that my email contained several trojans that were attached to several emails sent to me so avast is doing it’s job. Keep up the good work guys 
