While this is most likely nothing, its worth mentioning that the Blood Angels codex and battleforce is no longer available on the UK site. Quite possibly this just means a soft cover codex might be coming, but its on the items to watch.
The US site still has them available at the moment.
https://www.games-workshop.com/en-GB/Warhammer-40-000?N=102296+4294965744&Nu=product.repositoryId&qty=12&sorting=rec&view=table&categoryId=cat440130a-flat
