Hacker News Reader

How does this differ to the delta updates that came out over four years ago?

http://www.androidpolice.com/2012/08/16/google-flips-the-swi...

It's in the article: that worked on the compressed data, this change works on uncompressed data (and so can be much more effective).

Read the article before commenting?

Which part of the article covered the 2012 announcement? There was the piece near the top: `earlier this year, we announced that we started using the bsdiff algorithm (by Colin Percival).`

But earlier this year would be 2016, not 2012 so I assumed that this was something else.

And clicking on the link in your quoted text would give you this:

> Google Play has used delta algorithms since 2012, and we recently rolled out an additional delta algorithm, bsdiff

Reply on news.ycombinator.com