Oz Linden updates the Thrid Party Viewer (TPV) List every so often. A recent update shows the current Phoenix Viewer at the top of the list. That means it had the fewest crashes during the reporting period. \o/
Phoenix is still a Series 1 viewer and lacks mesh and other Viewer 2 features. But, Phoenix remains a popular viewer. It has many features not found in the SL Viewer 1.23, which while not a TPV is the most stable viewer currently in use.
Congratulations Firestorm-Phoenix Team!