Daniel,

> in a standard TIB_Query -> TIB_DataSource -> TIB_Grid
> setup, when you insert a new dataset at the very top of
> the grid, input some data into the fields and then spin
> the mousewheel up, all the data is lost. The fields are
> completely emptied, but the query stays in insert mode.
> The IBO version is 4.2.I.
>
> Is there any fix for this?

There is a fix for this in the next release.
If you would like to beta test it, please send me a private email requesting
to be included.

Thanks,
Jason Wharton