conda-forge core meeting 2024-03-20

Add new agenda items under the Your __new__() agenda items heading

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Attendees

Name	Initials	GitHub ID	Affiliation
Wolf Vollprecht	WV	wolfv	prefix.dev
Filipe Fernandes	FF	ocefpaf	conda-forge
Daniel Ching	DJC	carterbox	Argonne
Jaime Rodríguez-Guerra	JRG	jaimergp	Quansight/cf
Cheng H. Lee	CHL	chenghlee	Anaconda/c-f
John Kirkham	JK	jakirkham	NVIDIA/cf
Nichita Morcotilo	NM	nichmor	prefix.dev
Klaus Zimmermann	KZ	zklaus	Quansight
Marius van Niekerk	MvN	mariusvniekerk	Voltron Data/cf
Isuru Fernando	IF	isuruf	Quansight
Matthew R Becker	MRB	beckermr	cf

X people total

Standing items

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From previous meeting(s)

• JRG: New JSON Schema for conda-forge.yml (automated linting + docs!)
  • Deployed seems to be working. May have little tweaks here and there
• JRG: New supporters.
  • Doesn't violate GPDR but still prefer not to have it.
• DJC: Multi-output and removing static libs from packages as per CFEP-18
  • Have begun opening PRs to remove static libraries and reduce the size of run_exports from packages in my dependency tree by creating soname (shared-library only) outputs
    • examples: libdav1d, libavif, cairo, jpeg-turbo, freetype
  • Tried to streamline / make it easier to craft multi-output recipes using an install script, but it's still clunky and requires too many changes
    • https://gist.github.com/carterbox/188ac74647e703cfa6700b58b076d712
  • Going to try to upstream better support for package splitting to conda-build
    • https://github.com/conda/conda-build/pull/5216

Active votes

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Your __new__() agenda items

• JK: CUDA 11.2 Deprecation
  • https://github.com/conda-forge/conda-forge.github.io/pull/2098
• JK: CUDA 11.8 Support
  • Docker image support plan
    • https://gitlab.com/nvidia/container-images/cuda/-/blob/master/doc/container_tags.pdf?ref_type=heads
  • The 550 driver (last driver to support CUDA 11.8) is EOL early next year
  • CUDA 11.8 support would drop off soon after
  • Docker image support plan notes 2 CUDA versions would be supported at a time. So 11.8 would stick around until 13 is added.
  • Would be good to start signaling this soon to users and maintainers
• JK: Close out CUDA 12 migration
  • https://github.com/conda-forge/conda-forge-pinning-feedstock/issues/5390#issuecomment-1986705958
  • Discussed CUDA 12.0 & 12.4 are added in the same PR
    • Provides oldest supported CUDA 12
    • Also asked if add CUDA 12.x latest would be alright to have latest features. Would also save maintainers handling another migration.
• JK: GLIBC 2.28
  • HV: Mainly needs decision about which CDTs to keep/replace for X11/Gnome/Graphic Stack
    • /usr/lib/x86_64-linux-gnu/libGLX_indirect.so.0
    • /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
    • /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0.0.0
    • /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.0
    • /usr/lib/x86_64-linux-gnu/libGLX_nvidia.so.545.23.08
  • EL 8 has new RPM location (relative to 7). So we need to handle
• JK: Roadmap
  • NF planning to make changes to their funding model to make it possible to recieve work contracts.
  • As part of this it would help if we can build up a wishlist of items that we would like to accomplish
  • JRG: Looked over the old list before. Some were done. Some were in-progress. So may want new list. Still things we could do (as always). Will think about these
  • JK: Would be good if we can all think about what items we would like to do and discuss in a future meeting
  • JRG: Timeline?
  • JK: Long-term change in NF over a few years. So no race. Just starting the process is most helpful. Maybe we can discuss in a future meeting.
  • JRG: Could have a dedicated meeting for this
• HV: Windows Fortran migration for flang 18?
  • flang 17 was too experimental, but flang 18 should be stable enough; would solve a bunch of painpoints, e.g. compilers, coin-or stack, openblas+openmp on win.
  • Pinning PR should be unblocked now that we can use platform_allowlist: for migrators (to restrict to windows in this case).
• HV: Stdlib migration announcement (PR / preview)
  • Will try to start ASAP after conda-build 24.3 is available and last details fixed.
  • May need to rework this conda-forge-ci-setup macOS logic
  • Added to tracking issue
• WV: pixi release (🎉) - we want to do user interviews if anyone is interested
  • Highlights: tasks that can be skipped, mirrors + OCI registry, bug fixes

Pushed to next meeting

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CFEPs

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