Despite being extensively studied since 2003, the XYZ states in the charmonium system do not have a clear interpretation. BESIII has recently collected additional data samples, which enables updated measurements and new searches for XYZ states. Five recent papers using these new data samples are presented. Included are measurements of 𝜎(𝑒 + 𝑒 − → 𝜂𝜓(2𝑆)),