What changed in ODS in U52997. History comes from monthly NHS releases until August 2026, then from the ODS API every 6 hours.
Showing changes by the date they first appeared in ODS. Switch to "date effective" for counts by when things actually happened.
Effective 31 May 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 15 Apr 2026
Effective 1 Jan 2026
Effective 31 Dec 2025
Effective 28 Nov 2025
Effective 4 Jul 2024
Effective 4 Apr 2024
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 1 Apr 2013
Effective 31 Jul 2022
Effective 31 Jul 2022
Effective 31 Jul 2022
Effective 31 May 2020
Effective 31 May 2020
97 changes in the chart (notable), counted by date recorded. Before September 2026 changes are dated to the monthly release that first showed them, so reorganisations (e.g. April 2020, April 2026) spike.