Merge pull request #1942 from conda-forge/2023-05-03-meeting-notes

Add meeting notes 2023-05-03

Author: jakirkham

src/orga/minutes/2023-05-03.md

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+---
+tags: [meeting-notes]
+---
+# conda-forge core meeting 2023-05-03
+
+Add new agenda items under the `Your __new__() agenda items` heading
+
+- [Zoom link](https://zoom.us/j/9138593505?pwd=SWh3dE1IK05LV01Qa0FJZ1ZpMzJLZz09)
+- [What time is the meeting in my time zone](https://dateful.com/convert/utc?t=5pm)
+- [Last week's meeting](https://hackmd.io/#REPLACE_ME#)
+
+## Attendees
+
+| Name                    | Initials | GitHub ID        | Affiliation                 |
+| ----------------------- | -------- | ---------------  | --------------------------- |
+| Dave Clements           | DPC      | tnabtaf          | Anaconda                    |
+|                         |          |                  |                             |
+| Filipe Fernandes        | FF       | ocefpaf          | conda-forge                 |
+| Cheng H. Lee            | CHL      | chenghlee        | conda-forge/Anaconda        |
+| Marius van Niekerk      | MvN      | mariusvniekerk   | VoltronData/cf             |
+| Ryan May                | RMM      | dopplershift     | Unidata/cf          |
+| Jannis Leidel           | JL       | jezdez           | Anaconda/cf                 |
+| John Kirkham            | JK       | jakirkham        | NVIDIA/cf                   |
+| Marcel Bargull          | MB       | mbargull         | Bioconda/cf                 |
+| Avalon                  | A        | uwuvalon         | Anaconda                    |
+| Jaime Rodríguez-Guerra  | JRG      | jaimergp         | Quansight/cf                |
+|                         |          |                  |                             |
+|                         |          |                  |                             |
+|                         |          |                  |                             |
+|                         |          |                  |                             |
+|                         |          |                  |                             |
+|                         |          |                  |                             |
+
+18 people total
+
+
+### Introductions
+
+- [x] Andrew Vallette on the packaging team at Anaconda.
+
+### Standing items
+
+- [ ]
+
+### From previous meeting(s)
+
+- [x] (WV) rattler-build - new conda package build tool: https://github.com/prefix-dev/rattler-build
+    - builds conda packages from recipe format that looks a lot like BOA
+    - Writes metadata in rattler format
+    - Did a live demo.
+    - Aiming to give better diagnostics
+    - MRB: BOA Spec?
+        - We need to figure out what to do.
+        - Need a defined spec that everyone can write to
+        - JL: what do we need to do create a spec?
+            - Selectors, 
+            - MVN: version number in spec.  People were in violent agreement.
+        - JL: We need a spec
+        - WV: we have a JSON schema.
+        - JK: argues for a new YAML format. Would be interested in being involved in Spec writing group
+        - Some recipes will/may be left behind.  
+        - ACTION: Discusss this on Conda call next week.
+- [x] (JK) New CTK packages / CUDA 12
+    - Opening CUDA 12 migrator
+        - Package layout changes:
+            - https://github.com/conda-forge/conda-forge-pinning-feedstock/pull/4400
+            - Document?
+            - Message?
+            - Incremental rollout?
+            - Marius suggested bot message customization
+                - May need to go in bot code
+                - Could add change to bot code to 
+    - (IF) Has question about layout
+        - (JK) Using `cuda` would be ok
+            - (IF) Changes a lot of things for CMake
+                - (JK) Discussion to have with Robert Maynard
+        - (JK)
+    - (Longer-term) CUDA 11 backport? (punted to later meeting)
+        - New style packages on older CUDA versions
+        - What version to start with (`nvidia` channel has `11.4`)?
+        - `cudatoolkit` becomes metapackage?
+        - Potential to drop some CUDA specific things
+            - Docker images
+            - conda-forge-ci-setup simplification
+- [x] (JK) Windows MinGW & UCRT
+    - https://github.com/conda-forge/r-base-feedstock/issues/248
+    - https://github.com/conda-forge/conda-forge.github.io/issues/1654
+    - https://github.com/conda-forge/conda-forge.github.io/issues/1044
+    - (AV): Anaconda is looking into ways to fix this issue
+        - Do we binary repack MSYS2 packages? Or rebuild?
+        - How can we automate UCRT-based MSYS2 Windows?
+        - Could even automate recipe generation
+          - https://github.com/conda-forge/msys2-recipes
+        - (MRB) CDT approach could be reused here
+          - https://github.com/conda-forge/cdt-builds
+        - (IF) What do we want packaged
+            - May need customization; e.g., `run_exports`
+            - 
+        - (AV): Will share work as it progresses
+        - (MB): Old MinGW use subfolder?
+            - Do we want to change this for UCRT? Or keep the same?
+            - (IF) Depends on what we package
+- [x] (JK) GLIBC 2.28
+    - https://github.com/conda-forge/conda-forge.github.io/issues/1941
+    - (MRB) Need review
+        - https://github.com/conda-forge/conda-forge-repodata-patches-feedstock/pull/441
+        - https://github.com/conda-forge/linux-sysroot-feedstock/pull/47
+    - (MRB) Downloaded RPM need review
+        - Directory level varies / need to confirm that is the right level
+        - (MB) Do we need language packs?
+            - (MRB) Have English in one
+            - (MRB) Have one with many languages
+            - (IF)
+    -
+- [x] (JK) Windows ARM
+    - (SD) Hi :) Happy to answer questions
+    - https://github.com/conda-forge/conda-forge.github.io/issues/1940
+    - (IF) https://github.com/conda-forge/vc-feedstock/pull/55
+    - (IF) Question for Steve: What do you plan on building in the first year?
+        - (IF) Conda / Mamba / Boa needed to build, Installer?
+        - (SD) Installer is ambitious (would be great! not required). Want attempts/CI issues visible
+        - (SD) Challenges getting more hardware atm. So just be able to build
+        - (IF) Python would be a goal? Maybe NumPy & SciPy?
+        - (JK) What would be helpful for finance conversation?
+            - (SD) Ask for less? ;) Though nothing has really been asked yet.
+            - (SD) Finn can help :)
+        - (IF) Can build `zlib`! :tada: 
+            - Local build
+        - (MvN) Maybe macOS ARM list could be a starting point
+        - (SD) Rust toolchain should work (testing with cryptography)
+        - (IF) Does Clang cross-compilation work?
+            - (SD) Using Cygwin (not Clang) atm
+- [ ] (HV) Boost Harmonization
+    - Now has PR: https://github.com/conda-forge/boost-feedstock/pull/164
+    - Discussion yielded bikeshed à la: `libboost`, `libboost-headers`, `libboost-python`
+- [ ] (MB) R 4.3 migration
+    - https://github.com/conda-forge/conda-forge-pinning-feedstock/pull/4363
+    - Any objections on kicking it off?
+    - Windows TeX build issues for 4.1 might need to be resolved due to other non-R migrations?
+
+### Active votes
+
+- [ ]
+
+### Your __new__() agenda items
+
+- [X] (DPC) Package building tutorial at PyCon US 2023 was a success.  
+    - We had ~25 participants
+    - Tutorial will be published online after some cleanup.
+- [X] (JRG) SDG for opt-in CI accepted (related to https://github.com/conda-forge/conda-forge.github.io/issues/1875 and GPU server)
+- [X] (WV) SDG for pubgrub on rattler accepted too
+- [ ]
+
+### Pushed to next meeting
+
+- [ ]
+
+### CFEPs
+
+- [ ]