There were several changes for 2022. Some credits like the EIC and Child Tax Credits went back to the old rules before the last 2 years. Last year for 2021 you could get the Child Tax Credit without having income and you got a larger amount refunded. Now it is a lower amount and can only reduce the tax to zero and not add to your refund. Here's a good answer that explains more,
https://ttlc.intuit.com/community/taxes/discussion/why-is-my-federal-return-way-lower-than-last-year...
Print out 2021 and 2022 and compare them side by side to see what is different.
