The $MMS (+0.67%) is not merged with the Amundi MSCI EMU Small Cap ESG CTB Net Zero for tax purposes.
The merging index will change from the MSCI EMU Small Cap Net Return EUR Index to the MSCI EMU Small Cap ESG Broad CTB Select Index. However, the new index consists of 395 of the 407 positions of the previous index. It cannot be particularly ESG.
I'm not going to change anything. Am I missing something? What are you doing?