Missing building parts for SIPTU, possible extensions.
Unclear extent. Unclear ownership for the extensions.

Source: Esri

Add old name or note to indicate this was the Kilkenny Academy of Music, assuming it is such no longer.

Missing possible buildings / extensions.

Source: Esri Clarity, Esri (mainly regular Esri)

Missing / outdated buildings. Situation not fully clear.
Also, seems boardwalk is located along the river, not inside buildings.

Source: Esri Clarity, Bing, Esri (not sure may be outdated, seems vague)

Mapillary (may be outdated)
https://www.mapillary.com/app/?pKey=136651881764760&focus=photo

Missing possible shed / extension.
Previously not visible on aerial imagery. Seems not visible on street level imagery.

Source: Esri

Missing possible shed / building.

Source: Esri Clarity, Esri

Missing two extensions.

Source: Esri Clarity (in shadow), Bing, Esri

Missing / outdated possible landuse.
Brownfield / Greenfield / Grass / ...
Though aerial imagery may be outdated.

Source: Compare Esri to Esri Clarity (and Bing)

Missing building parts / extensions.
way/757054358/history

- Visible directly north of gate as extended southern slope of roof.
https://www.mapillary.com/app/?pKey=918304959067098&focus=photo

- Visible directly south of eastern half as rectangular extension with gabled roof, at southwestern corner adjacent to a wall running south to
way/757054363

Source: Esri Clarity, Esri, Mapillary

Missing details for footway.
Since it is not the most standard footway, i.e.
has many steps, is mostly unpaved / not so smooth and somewhat narrow (and partially overgrown).

It may be useful to add surface, smoothness, width, access, etc.