I was actually looking into it: Hybrid replication - innovation ahead for world etfs? - #10 by nabalzbhf
If you don’t care about emerging there’s 3 ETFs with 0.2% TER: https://www.justetf.com/en/search.html?search=ETFS&assetClass=class-equity®ion=World&replicationType=replicationType-swapBased&sortOrder=asc&sortField=ter
It’s slightly annoying there’s no All World/ACWI-ex US UCITS, otherwise it would be the obvious choice.