Courgette Diff support

Specifically, I would like to see Courgette diffing support. It is an executable-optimized bsdiff that takes advantage of asm disassembling to generate smaller patches.More info: https://www.chromium.org/developers/design-documents/software-updates-courgette

I can see how it can be patched into wyUpdate based on the source, but is there a way to add support to wyBuild?

We have no immediate plans to support the Courgette diff algorithm.

Currently we use Xdelta for the patch creating because it has a better compression ratio vs. time / memory tradeoff than bsdiff. However, we're always open to new developments in the patching and compression field.