Should i start promoting my startup before launch?

Hey everyone,

I’m working on a startup focused on reducing food waste. Right now, I’m a solo (technical) founder, but I’m planning to start looking for a co-founder in my area soon. The startup will officially launch in a few months. In the meantime, I’ll be going through my university’s incubator program, which offers mentoring, guidance, and resources (like help with accountants, lawyers, coaches, legal status, etc.). They’ve advised me not to rush things.

Here’s my question:
Should I start talking about the project publicly now?
I’ve been thinking about creating a bi-weekly newsletter to discuss food waste issues and share updates about the project, as well as posting on social media (e.g., regular posts about the topic and the startup).

Would this be a good idea to build interest, or could it be counterproductive since the product isn’t live yet?

Thanks in advance! This community has been super helpful.