date: early december

goal:

• spyder-6.1
• jupyterlab on free-threading 3.14t (in maturing mode)
• a python-3.14 slim version 85% complete (with pandas)
• a python-3.14t slim very incomplete version until pandas-3
• pylock with pip, .... seems 2026 hope
• simplify building on cloud and local
• WinPython on [blind] arm cloud build ?