callbacks in Mac video player?

[hh]

> Richard G. wrote:
> I stand corrected: callbacks apparently work in v9.5 under Catalina as well.

True, works here also, sorry all for the wrong info.
[Looked at my earlier tests. The problem there was the msgbox (kept hidden).]

> What do you need from LCB that's missing?

an up-to-date browser widget/libbrowser,
'set my rectangle',
basic keyboard support,
base64Encode/Decode (this is nearly done),
call JS from LCB without using a browser widget.