openlayers/ol3 — pull request #1693 by ahocevar (2014-02-13 12:31:58+00:00)
Title: Do not load tiles while interacting

Especially on mobile devices, loading just a single tile can
cause major janks. During animations, it is fine to just skip
frames. But during user interaction (e.g. dragging), a more
instant visual feedback is desirable.