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There's more to it than that. You could build it with web tech, but the original Twitter apps (even from when it was called Tweetie) featured lots of performan

There's more to it than that. You could build it with web tech, but the original Twitter apps (even from when it was called Tweetie) featured lots of performance optimizations [1] to make it blistering fast, designed specifically for Apple platforms. They (ie Loren Brichter) even developed their own Mac UI framework library twUI, which was open sourced in 2011. [2] [1] http://web.archive.org/web/20100922230053/http://blog.atebits.com/2008/12/fast-scrolling-in-tweetie-with-uitableview/ http://web.archive.org/web/20100922230053/http://blog.atebit... [2] https://blog.twitter.com/2011/fast-core-animation-ui-for-the-mac https://blog.twitter.com/2011/fast-core-animation-ui-for-the...

rloc 11y ago
But do we know if it's still in use in the new app (probably...) ? The libraries were introduced a long time ago and were probably first developed for the iPhone. For this new app they outsourced the effort despite the fact that they acquired Tweetie and hired Brichter. I understand the history of it but my point is I'm not sure this is all still relevant in 2015 especially if Twitter outsourced the effort for this new version. A chromium instance can have fast animations on a mac or windows machine with only web tech (a lot easier to maintain).