On 2014–02–18 Andreas Schneider wrote:

> after many experiments I finally was able to extract a (kinda) minimal example
> that reproduces a problem which is haunting one of my documents.
> 
> Under certain conditions (apparently a bunch of floats and page breaks) it
> happens, that a float is re-placed without being re-numbered, causing figure
> 1.2 to be before 1.1.

I ran into this bug, too¹. The following should fix the numbering of
the floats.

  \ctxlua
    {structures.lists.autoreorder = true}

However, the numbering of the lists are not adapted and come out
wrong. I don't have a fix for that.

Marco

¹ http://thread.gmane.org/gmane.comp.tex.context/79739