Release 2025-05 follow-up

date: end december

goal:

  • spyder-6.1
  • jupyterlab on free-threading 3.14t (in maturing mode, so that people can get used to nogil)
  • a python-3.14 slim version 97% complete
  • a python-3.14t slim version 85% complete (with pandas-3.0.0rc1, no short-term hope for qt stack ... qt-6.11)
  • simplify building on cloud
  • python-3.15 cloud build

postponed:

  • prepare to future [blind] arm cloud build ?
  • pylock with pip or switch to uv .... seems 2026

summary of this year cycle:

  • building in the Cloud,
  • wheelhouse builds
  • pylock move

next cycle:

  • pandas-3 for all
  • free-threading build with 88% of packages