What changed in ODS in 13X. 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 27 Apr 2026
Effective 27 Apr 2026
Effective 27 Apr 2026
Effective 26 Mar 2026
Effective 26 Jan 2026
Effective 15 Jan 2026
Effective 8 Dec 2025
Effective 1 Apr 2015
Effective 1 Apr 2015
Effective 24 Apr 2025
Effective 23 Apr 2025
Effective 3 Feb 2025
Effective 31 Mar 2025
Effective 31 Mar 2025
Effective 30 Sep 2020
Effective 14 Jan 2025
Effective 31 Aug 2024
Effective 31 May 2024
Effective 3 Apr 2024
Effective 3 Apr 2024
Effective 31 Mar 2024
Effective 31 Mar 2024
Effective 31 Mar 2024
Effective 5 Dec 2023
Effective 4 Dec 2023
Effective 30 Nov 2023
Effective 1 Aug 2023
Effective 30 Jun 2023
Effective 30 Jun 2023
Effective 30 Jun 2023
1,743 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.