A recent USA AOPA article is relevant: https://aopa.org/training-and-safety/air-safety-institute/accident-analysis/flight-training-accident-report
CASA issued AC61-16, Spin avoidance and stall recovery training , about 4 years ago which is consistent with Figure 5-10 of the Airplane Flying Handbook.
However, the CASA Flight Instructor Manual has not been revised per ATSB Investigation AO-2017-096 of 22/5/2019.
In the USA:
Not so per the Australian Transport Safety Bureau AR-2020-047 Aviation Occurrence Statistics (rates update) 2010 to 2019 (the latest data):
To repeat: in the USA flight instruction safety has improved whereas in Australia it has worsened.
From Issue 107 of SportPilot Magazine we have this:
Fine as far as it goes however, I didn't see any guidance on the use of rudder. It states to "level the wings" without explaining the technique.
Better to stick with the FAA's Figure 5-10 and associated text of the Airplane Flying Handbook.