With regard to the COVID Alert app and the November 23, 2020, update to fix a bug causing gaps in exposure checks for some users: (a) on what date did the government first become aware of the gaps or other issues; (b) how many potential exposures were missed because of the gaps; (c) how many app users encountered gaps in exposure checks; (d) on what date did the gaps first begin; (e) on what date were the gaps fully resolved; (f) what is the average number of days that the gaps lasted for those impacted; (g) were certain types of mobile devices more prone to encounter the gaps, and, if so, which ones; and (h) on what date did the government notify provincial health officials about the gaps?
In the House of Commons on January 25th, 2021. See this statement in context.