corridors/pathways inside of the prudential center should probably also be tagged with appropriate access tag value and or access hours when facility is closed/open to public, right now most are set to access=yes which may be misleading, see: access=* for conditional tags

if there is a park here its missing a name...

Back Bay station is missing platforms

remaining pathways inside of the convention center area including Belvidere Arcade could be updated to match the other ways inside of the prudential center with corridor and access/conditional access tags to make them all consistent

these changesets: changeset/112698705 and way/993971240 look like spam, suggest removing added items or revert.

doesnt look like this poi exists here any more via latest imagery suggest updating poi to historical or removing

road overlaps water here where it shouldnt and its probably also better classified as a track, roads in this general area should be checked for other cases like this - there is another one just to the west here

CA 3 in this larger section looks to be misaligned with aerial imagery

building footprints here could be updated