Blender 2.74: Add-ons

Import Images as Planes

Now support animations (movies) for Cycles as well, also fixed setting len from video (rBA468a9845651e).

Estimate and set the tile size that will render the fastest

Now renamed the file to node_wrangler.py instead of node_efficiency_tools.py, so you will have to enable it and save your preferences again.
A change in Blender's core (rBc792e546991bd) now allows Lazy Functions to work when clicking on the contents of the node too (not only on empty space) (old behavior, new behavior)

Quite a few new features from POV-Ray where added to the exporter, among which volumetric rendering.

IMPORT Added support for custom normals (rBAcfdf95dc8a0e).
IMPORT reworked code, importing big meshes with polygons can be up to six or seven times faster (rBAc307a89e281a).

Quaternion now has support for exponential map representation (rB9fa628f35be3), eg:

expmap = Quaternion((1, 0, 0), 1.2).to_exponential_map()

quat = Quaternion((1.2, 0, 0))  # from exponential map vector to quaternion

VFont & Sounds pack/unpack rna functions: (rBe7c7f574818cb)
SpaceText.region_location_from_cursor to get the pixel-space (x,y) from the text (line,column) (eb150ef337597)