iOS: If you use Facebook on your iPhone, you're probably used to terrible battery drains. While we wouldn't count on this suddenly changing, Facebook is fixing two major problems that were chipping away at your charge.
Photo by Jan Persiel.
As Facebook engineer Ari Grant explained, there were two major issues that were causing large, unnecessary battery drains. The first was a constant CPU spin cycle that was using up your resources without really doing much of anything.
The second, and seemingly worse, was a bug that caused an audio channel to stay open if you closed the app while watching a video. This left silent audio playing, which did nothing but use up precious battery power. Both of these issues should be fixed in the new version.
Of course, as always, using Facebook's mobile site will be a much better way to preserve your battery in the long-run. Hopefully these new bug fixes will help, but no one knows just how many other purely battery draining bugs exist in the app. It's generally been assumed that Facebook drains battery because it does too much stuff on purpose, but now it seems like some of that drain is simply due to accidentally using up resources for nothing.