Patches for different firmware-versions?

[ranan]

there is a new fw 23 for m75
my question is
will the patches for fw 13 work with fw12 and fw23?
if not how long will we have to wait for patches for fw23?

[benj9]

there is a new fw 23 for m75
my question is
will the patches for fw 13 work with fw12 and fw23?no
if not how long will we have to wait for patches for fw23?
until somebody ports them.