Unable to answer "Is there a shelter at this stop?" – Matīsa iela (Bus Stop) – https://osm.org/node/2826269553 via StreetComplete 58.2:

Bus stop is moved tovard Caka iela. Across the road from Matisa iela 39, around the center of 39 building. No shelter or bench. Attached photo of 39 building for better understanding.

Attached photo(s):
https://westnordost.de/p/230705.jpg