Windows 10 Build 10525 is here and the most visible changes are the colored app title bars (check in the screenshots of Edge, Store etc) along with the watermark for “Insider Preview” build that has reappeared in bottom right corner. The new preview builds come form TH2 branch as can be seen in the screenshot above. You can read the official changelog and known issues by clicking on the links.
But there are under the hood changes & improvements in other native apps too. Microsoft Edge’s new version brings its best HTML score of 412/ 555. Earlier it was around 401.