vim tag object in ERB

[sj26]

I use the cit within ERB files regularly to change the contents of HTML tags. I see support was added for HTML, TSX, etc a while back:

#4503

But this doesn't seem to work in ERB files, like:

# show.html.erb
<p>Hello, world</p>

If I put my cursor here in normal mode:

# show.html.erb
<p>[cursor]Hello, world</p>

and press cit then I expect to be in insert mode with the tag contents removed:

# show.html.erb
<p>[cursor]</p>

[taylorthurlow]

Something must have changed recently, because this used to work for me in HTML+ERB files.