The analysis refers to things that just happened in May. 'New' things that happened in May.
The Volcanoes conference was cancelled in April.
NOWCAM 2025 meeting was held in Victoria, BC, Canada, from May 8–10 on the UVic campus. I can't even find a reference to it being moved. I mean maybe it was.
So clearly not "new things that happened in May".
The analysis refers to things that just happened in May. 'New' things that happened in May.