Add Lillestrøm municipality and its three predecessors. Data from "Kartverket Administrative enheter" (current + 2019), simplified in JOSM with 0.3m setting, removing 9225 nodes (51m change in outline length, no change in area to three decimal places).

Improvements to tracks near Lillestrøm station. Should be complete back to 1980s, and the station should be correct to 1962

Add missing cycleway bridge across Nitelva

Add old and current river crossings

Update railways west of Lillestrøm with changes due to Gardemobanen

Add one of the tracks in Romeriksporten from BaneNor data (only the main track is freely available)

Import bird + landscape protection areas from Naturbase

Import Fulufjellet national park from Naturbase. No relation this time to check if that makes the renderer happy.

Add boundary tag to member of national park relation in an attempt to make the renderer recognize it

Add wikidata and wikipedia tags

Import nature reserve from Naturbase/Miljødirektoratet

Import three national parks from Naturbase/Miljødirektoratet

Fix relation type for national park

Import Jotunheimen national park from Naturbase/Miljødirektoratet

Map road changes up to roughly the current state

Add start_date to human made features to avoid always rendering them

Add source tags in a few places where I forgot in earlier changesets

Adjust some start/end dates within the :edtf ranges to avoid rendering multiple features at the same time

Add Wikidata reference and copy improved start/end date, runway directions and airport code

Add former Oslo airport at Fornebu