I personally think that some of them could have been, but the issue was probably one of readiness for supplementary estimates. It's quite possible that some of these expenditures were known but were not fully ready—for example, had not gone through the process of the Treasury Board, the group of ministers that oversees or scrutinizes expenditures—or they were not sufficiently developed by departments so that Treasury Board Secretariat did not deem them ready enough for inclusion in the mains or in supplementary estimates (A).
On December 1st, 2022. See this statement in context.