Something had to give
Whilst ElReg rightly concentrates on the Technology syllabus, PDHPE, (thats PhysEd) and CAPA(The Arts) and Geography have been sent back for more work as well. The Big 4 (MESH) also need major work done on them. This is most true at Primary level - more needs teaching than there are hours available and something has to give especially in light of the fact that under the Gonski Act (Education Reform Act 2013) - the former government gave us 4 targets (3 of which relate to retention & indigenous education) the first of which is to rank in the top 5 for reading and arithmetic for PISA.
The technology assessor compared the proposed curriculum to curricula in countries that rank ahead of us (which at least the US, UK do not do) and the review report as whole said there needs to be more emphasis on teaching the basics of the 3Rs and more depth and fewer other subjects (The Arts were singled out as a "fewer" ). Now that ALL the curricula have been written & released everybody is trying to work out how to fit it all in.
Primary schools these days tend to do work on cross-curriculum projects in which they knock of dot points for various syllabuses in a unit of work (say design a playground for the school - english vocab, maths - area & science - suitable materials ,PD - suitable equipment to target muscles and perhaps look at a historical playgrounds for history). There are exceptions which are taught discretely - such as music, foreign languages(now also compulsory) and sport. Then let's not forget visits by the various Foundations promoting cybersafety, non smoking, activity, mental heath, antibullying, road safety, police talks, anti grafitti, danger of ingrown toenails(sorry made that last one up) - it would be difficult to carve out time for another subject.
As a HS ICT teacher I was worried that a poor introduction in primary and stage 4 would be counter productive as it would kill interest in computing as a subject in later school years(stages 5 &6) and then university.