On 18/06/2014 13:59, Joseph Wright wrote:
>> Unicode-math actually did use
>> some of the code and now breaks due to the missing \lua_now_x:n:
>> \documentclass{article}
>> \usepackage{amsmath}
>> \usepackage{unicode-math}
>> \begin{document}
>> blub
>> \end{document}
>> ! Undefined control sequence.
>> \__lltxmath_set_mathchar:NN ...def
>> #1\lua_now_x:n 
>> {lualatex.math.print_class...
> Drat: I did of course check for use before the change, but focussed on
> the 'allocators' part of the code (cctabs, etc.). I will do another
> check over TL2014 then liaise with the appropriate package authors to
> arrange a fix here.

I have a plan: I will check in some code today and if the team as a
whole are happy update CTAN today or tomorrow.
Joseph Wright