Missing possible POI, survey needed.
It does not seem to be signed on the outside of the building.
(It could be part of the Arts Office itself but its activities until now were posted with this address.)
For Arts Office itself, see
node/13056045523

For details, see comment below.

It is called "Andy's" or "Kilkenny Cycles" (signed)?

node/3553739948/history

Possibly a milk churn stand below the grass here, but barely visible (a bit of ledge can be seen from the front and the side besides the gate)

Source Bing Streetside 2020

Check if shop still exists.
There seems to be only closed entrance with a notice sign.
https://www.mapillary.com/app/?pKey=1933781407037545&focus=photo

Wood benches count
Parade (front/bottom/south) / Mayor's Walk (back/top/north)

News mentions 14 / 6 benches (total 20)
OSM has 16 / 5 benches (total 21)

There may be one duplicate.
There may be one at wrong side of wall.

Article for reference only
https://kclr96fm.com/benches-installed-in-kilkenny-city-centre-are-here-to-stay/

Check if any of the picnic tables are (still) chess tables, re-survey needed.

Looks like at least some are not.
I have removed this detail from all of them for now.

Suggested tags for ones which are chess tables
sport=chess

Mapillary 2024 (taken after 2023 survey)
https://www.mapillary.com/app/?pKey=779636820895002&focus=photo

Missing details, local knowledge needed.
"Security"

Source (use for reference only!);
See map at https://kilkennycastle.ie/about/accessibility/

Was note/4442799

node/2567211827/history
Check if visitor centre / info point still exists, or has been replaced by public toilets.
node/678572221/history

Not visible from available street level imagery (prior to 2025-06).

Missing possible details/POI, survey needed;
Info signs/papers on window facing north(into park)

Missing possible POI.
"Zuni Business"

website=https://zuni.ie/meet/