Earlier, I used to await each chrome release impatiently because there were so many unfinished features and the builds were not stable. Now I'm finding that, since the current build serves my needs reasonably well, I no longer have the urge to download the latest and the greatest :).
I've switched to Chrome Dev Channel from nightly builds as they are much more stable and more importantly auto-updates. No more manual download and install!!. The current build is 22.214.171.124. The most notable new feature is about:memory
Please take the results with a pinch of salt. The values shown should be used only for comparative purposes since it is not very accurate. Unfortunately this state of affairs might continue for a while as Mac OS X, does not provide a good way to accurately measure memory usage of processes.
According to Google, Chrome for Mac can be expected to ship before the end of the year. Firefox 3.6 is also scheduled to be released soon and Camino has a big update recently. The browser wars are heating up!