My Monstera finally put out a fenestrated leaf after months of just giving me plain ones, and I'm honestly not sure what I did differently

My Monstera finally put out a fenestrated leaf after months of just giving me plain ones, and I'm honestly not sure what I did differently! I've been keeping it in bright indirect light by the window and watering when the soil feels dry, which seemed pretty standard. Has anyone else had their Monstera suddenly start splitting leaves after being stubborn about it? I'd love to know if there's something specific that triggered it because I want to make sure I keep doing it right.