Keep in mind that the final pounds approaching goal weight are biologically more difficult to lose. It's not a matter of will power or working out, it's physiological. Our bodies are amazing things that we know a lot about, but not everything.
The biggest factors I would think are metabolic adaptation and leptin decline. Both of these are factors that would try to preserve fat mass. Probably from our hunter/gatherer days, when fat protected us in times of famine.
You might consider more protein and continuing with your resistance training. Those are usually good ways to "convince" your body your not starving to death. Some people say diet breaks or refeeds are helpful. If you're not familiar, that's when you eat at maintenance calories for a couple of weeks.
If looking for a peptide assist, you might consider adding an amylin agonist (i.e., cagri or elora) as those work on different pathways and in rat studies showed that adding elora adjunctively resulted in continued weight loss.
Good luck! I'm in the same exact spot. 8 more pounds to go 😡