big-ip 11.5.4 will be released when?

Replying to Brian's Comment here. The list in that section are bugs fixed in 11.5.4 (which is a maintenance release), and not in previous 11.5.3 hotfixes. The reference to 11.5.3-HF1 and HF2 is simply letting readers know that they're not going to lose any fixes from previous 11.5.3 hotfixes.