Recently Demonhades announced that a seal of support has been created. This seal would indicate that the homebrew item its associated with is 100% compatible with JFW-DH. Due to language interpretation limitations, it is unclear if these seal bearing apps are locked to JFW, or the seal is merely a indication that it will work with their firmware.
To further explain the logic behind the belief it may be firmware locked, most believe that either JFW wants to monopolize the CFW scene, or that because of JFW-DH's incredibly modified 3.41v2 core, it may make it simply incompatible with other firmwares. Its all hearsay though, as the translations of the official announcement are a bit unclear.
Originally Posted by Translated by jailbreakscene
To me however, this is a good sign that things are on track behind the scenes and we should be hearing more soon. What does worry me though, is their specific mention that JFW-DH will only be available in Spanish and French thus far. Here is to hoping its ported to English.