As part of our transition to the new Ensembl, we have updated the URLs for genomes on our new site. The URLs for integrated genomes now contain genome assembly accession numbers e.g. GCA_000001405.29. Some genomes on our new site contained a genome tag e.g. grch38 (examples in the post below). Saved links to these tags will now fail.

Users actively using the new site should note that any selected genome will need to be reselected after the transition of the beta.ensembl.org URL to ensembl.org. We expect this change in mid-August 2026.

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