What are actions that require wudu’ that are disagreed upon by Muslim jurists?

Circumambulating the Ka’bah (Tawaf)
Teaching or carrying a copy of the Qur’an:
– Requires ablution – four main Muslim jurists
– Does not require ablution for one in a state of minor ritual impurity – ibn Abbas, Dawood, ad-Dahaak, Zaid ibn Ali, al-Mu’aiyad Billah, ibn Hazm, Hammaad ibn Abi Sulaymaniyah, al-Albanian

However, scholars agree that those in a state of minor impurity may still recite the Qur’an without touching it.