Advanced Building Mapping with A. R. McCann
Channel: OpenStreetMap Ireland
Date: 27/01/2021

(Note, since this recording they've changed their name to Amanda.) 

This tutorial demonstrates using use different GPS positions for mapping, creating curved and unusually shaped buildings and the all important terrace. A. R. McCann can be contacted on twitter at @lalonde and mastodon https://en.osm.town/@amapanda

Here is the plugins used and a list of the shortcuts in order. 
plugin utilsplugin2, terracer

ctrl + n - new layer
ctrl + shift down - download layer
ctrl + w -  
s - select
shift + C - makes last three points into a curve
a, a – draws nodes, line snaps to angles
Hold ctrl + shift - rotates nodes
Hover over line + ctrl - selects that line to calculate angle from
ctrl z - undo
x, ctrl - extrude line, extrude at an angle
w, shift, alt - improve way accuracy, add node, delete node
shift Y - simplify way
preferences - advanced preferences, search building_tools, building_tools.tags, change default
shift t - terraces a building
x - extrude mode
alt x - cuts outer way where it meets inner nodes
p - cut a way
shift c - combine