You can use your Gmail account to find out what version is currently
installed. Simply go to the Gmail Settings page and look under the
"Chat" tab. You will see the plugin version under the "Learn more"
link, in small type.

Here's what's new in version 1.0.8, released Apr-06-2009:

- Added support for the H.264/AVC video codec, in addition to the H.
264/SVC codec that we typically use. This allows us to be compatible
with video software that does not yet support SVC. When using H.264/
AVC, Gmail video chat will send and expect in-band parameter sets, and
send using a single-NAL RTP packetization.
- Made several improvements to voice quality, including additional
tuning of our echo cancellation and automatic gain control algorithms.
- Fixed a problem where device settings would not be saved in some
cases if no webcam was present.
- Fixed a problem where the browser plugin would sometimes not be
detected by Gmail, even though it was installed.
- Fixed various crashes in the browser plugin.
- On Windows, fixed a problem where video chat would never work in
certain network conditions. This was most often seen when using
wireless broadband or other types of PPPoE connections.
- On Windows, fixed a problem where certain Sony Vaio cameras could
cause the browser to crash when starting a video chat.
- On Windows, fixed a problem where certain Creative cameras could
cause Chrome to display a "sad plugin" when starting a video chat.
- On Mac, fixed a problem where users of PostgreSQL (or any other app
that uses a lot of shared memory) would see a "black box" instead of
video.

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Changes in version 1.0.5, released Jan-20-2009:

- On Windows, enabled sending and receiving video for CPUs without
the
SSE2 extensions (such as Athlon XP and Pentium III). Due to the lower
processing power of these CPUs, the resolution of the sent video will
be reduced.
- On Mac, added support for the macam USB camera driver library,
enabling hundreds of branded and generic webcams for mac users.  Some
work better than others; depending on the camera, you may experience
low performance or errors when using macam. For best results, we
recommend having only a single macam device attached, and closing
Gmail before plugging or unplugging macam devices.
- On Mac, changed automatic updates to no longer prompt the user to
shut down the browser.
- Fixed several issues on both platforms where the plugin could crash
during or while ending a call.
- Fixed an issue on certain Sony Vaio notebooks where the web browser
would crash during call setup.
- Fixed an issue on Mac where the plugin would crash during call
setup
if the installed version of QuickTime was very old.
- Fixed an issue on Mac where old instances of the plugin would still
appear in the Activity Monitor.

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Changes in version 1.0.3, released Dec-04-2008:

Windows related fixes

- Fixed issue where the browser would be unable to communicate with
the plugin, resulting in "Detecting devices..." forever.
- Resolved incompatibility with Creative camera drivers and software
that could result in browser crashes.
- Implemented first fix for issue where users saw green bars and
plugin crashes on machines without support for SSE2, such as Athlon
XP, Pentium III, and previous. For these machines, only avatar images
will be displayed during a video call as if they had no camera. We are
continuing to work on this issue.
- Fixed issue where users could select the known incompatible "Asus
virtual Camera" driver.

Mac related fixes