ESMValTool Release v2.15.0 update and highlights

[flicj191]

The release of ESMValTool version 2.15.0 is being prepared, starting with the feature freeze of ESMValTool and release branch created on the 13 July, 2026.

Manager	Buddies	Feature Freeze	Feature branch	Milestone
@flicj191, @rbeucher	@schlunma	2026-07-13

Minor Release	Status	Date	RTD	conda-forge	PyPI	Docker
v2.15.0		2026-07-28	Docs	2.15.0	2.15.0	docker

Related ESMValCore 2.15 discussion

Recipe test runs have finally been transferred 22 July, see https://esmvaltool.dkrz.de/shared/esmvaltool/v2.15.0/

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@ESMValGroup/esmvaltool-developmentteam,
Please nominate any highlights for this release, see draft changelog for release information.

[bouweandela]

I would like to nominate the work done on preparing the recipes that are run by the Radid Evaluation Framework for CMIP7: https://github.com/ESMValGroup/ESMValTool/pulls?q=is%3Apr+label%3AREF+is%3Aclosed

[bouweandela]

And maybe #4517

[valeriupredoi]

Nobody mention Python 3.14 🥺

[valeriupredoi]

Rapid not rabid 🤣

[flicj191]

And maybe #4517

And pixi #4407 ?