Field dependency in Filament v3 seems to be busted

I noticed that when I try and do the following:

TextColumn::make('published_at')->dateTime()->hidden(fn(Get $get) => $get('published')),


The system borks at "Get" - it's trying to initialise that before it's actually avialable, resulting in the following error:

Typed property Filament\Forms\Components\Component::$container must not be accessed before initialization
Solution
IT's fine, I figured it out - was changing the textcolumn, not text input 😛
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