Changelog
What shipped
Product and API changes, newest first. Breaking changes are announced at least 90 days ahead and listed here twice.
4 August 2026 · data
ICON-D2 back-archive complete
Every cycle since 2019 is now online, 420 TB in total.
19 July 2026 · api
Ensemble member selection in subsets
Pick individual members, ranges or 'all' without pulling the full run.
2 July 2026 · performance
Time-series layout for ERA5
A second chunking of ERA5 optimised for point time series. Forty-year extractions drop from minutes to milliseconds.
17 June 2026 · fix
GRIB byte-identity for AROME
Re-encoding on ingest changed a section header. Original messages are now stored untouched alongside the decoded fields.