Ok so she's definitely getting too many dubia roaches.
Especially if you are feeding the dubia roaches a high protein diet.
Does she drink in the
bath? They don't actually get
hydration from baths unless they actually drink.
Dubia roaches are very high in Uric acid content. Pair that with your dragon being dehydrated the other week - gout is the most likely cause of the swelling.
I would definitely cut out the dubias completely for a bit at least to see if it helps to swelling go down. Keep the
hydration up. You can also give her black cherry extract. It helps fight gout symptoms.
Dubias are an ok feeder, but they really need to be fed in moderation, alongside other insects, and the dubias need to be fed a lower protein diet. Otherwise, the risk for gout is much higher, especially in dragons that eat a large quantity of them.
The other leg doesn't really look swollen, more so just meaty.
Naturally, gout can't be diagnosed just by looking at pictures. It typically needs blood work to be diagnosed if there are no other symptoms such as obvious pain in the joint. However, it would be prudent to cut back on the dubia now, and always keep your dragon
hydrated to prevent the gout from either getting worse, or developing in the future.
-Brandon