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Upload regression in 1.15.0 blocks conda-forge publication #943
Description
Since 1.15.0, anaconda upload rejects the command used by conda-forge-ci-setup:
anaconda upload package.conda --user=cf-staging --channel=mainIn #892, --channel was repurposed from a deprecated alias for --label and made incompatible with --user.
Conda-forge hit this after updating to 1.16.0 on November 3. In this cmdstanpy build, the package built and passed its tests, but uploads to cf-staging failed until the retry loop timed out. Because conda-forge-ci-setup uses this command, other feedstocks using the affected client can fail the same way.
The proposed fix in #942 restores the alias when --user is explicit. conda-forge/anaconda-client-feedstock#68 backports it to 1.16.0 build 1.
-c without -u needs a separate compatibility follow-up. In 1.16.0, upload -c dev treats dev as a destination and enters the resolver, which may require a choice of service, channel, or namespace. A name matching both an anaconda.org owner and a writable repo target prompts in a terminal and exits with an error without one. The linked build fails before reaching this code. The follow-up should cover noninteractive CI uploads and preservation of the intended owner and label.
Please prioritize a patch release and clarify how future deprecations will preserve existing upload automation. Keep this issue open until a fixed package is published and affected uploads are confirmed working.
Activity
[-]Regression: --user and --channel uploads fail since 1.15.0 and block conda-forge publication[/-][+]Upload regression in 1.15.0 blocks conda-forge publication[/+]prjemian commentedon Nov 4, 2026
Seeing the same upload failure in apstools-feedstock.
The package build, tests, artifact inspection, and output validation all pass. The push workflow fails only while uploading to cf-staging:
https://github.com/conda-forge/apstools-feedstock/actions/runs/41723890806/job/126340036409
The failure repeats across reruns, including attempt 4, and consistently reports:
The relevant package is apstools 1.7.13, build 0. It has not appeared on the public conda-forge channel because the staging upload never completes.
Rerendering locally with conda-smithy 2026.10.24 and conda-forge-pinning 2026.11.02.15.51.50 produces no changes.