Specify whether traffic signals have a button for pedestrians

Specify whether pedestrian crossings have traffic signals

Specify path surfaces

Specify whether crosswalks have tactile paving

Specify road surfaces

Specify whether roads have sidewalks

Survey hairdresser's customers

Survey whether places have seating

Specify bicycle parking types

Specify bicycle parkings covers

Survey whether benches have backrests

Survey small map features

Pay for toilets, also if you are a customer of the restaurant

Specify surfaces

Survey small map features

Kathy's frietnesse opens for the last time on June 28th per https://archive.is/V3Twk (thanks for the note and link, Markus and Jomo), adjusted opening_hours until the year 2099 as a dummy date since date ranges can't be open-ended (per the OSM wiki)

add indoor_seating (there are like 3 tables)

add optical illusion in Bokrijk playground near the entrance (surveyed some months ago)

add optical illusion at entrance to lufo park

those aren't steps after all. Align some features on the new Merzbrück train stop. Also, that grass runway is not disused. Source: a glider plane landed while I was surveying