The building/bundling process for me across multiple platforms takes a long time, even with small changes, because every texture is redone. With big projects this adds up to long times waiting, but it seems like it could be made faster with a texture compression cache.
I would like the option to set a folder when building from the editor / bob to use a texture cache which saves a cache of compressed textures along with their original hash / path / texture profile setting. That way these built files can be pulled from the cache instead of needing to all be rebuilt every time. This would speed up build/bundle times at the cost of some hard drive space.