Ubuntu 22.04

[Andrey Novoseltsev]

Public servers are now running under Ubuntu 22.04.

It should not affect the user experience much - some packages are now at newer versions, some old optional packages that had compatibility issues are brought back. However, if something got broken since a few minutes ago, perhaps this is the reason - let me know!

Andrey

[ekwa...@gmail.com]

Thank you!

[PM 2Ring]

I don't know if this is related to the upgrade, but I can no longer plot the lambert_w function. I get this error message:

verbose 0 (3899: plot.py, generate_plot_points) Last error message: 'ufunc '_lambertw' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe'''

However, it works if I wrap it with fast_callable

Demo: https://sagecell.sagemath.org/?z=eJxdj01rwzAMhu-B_IcXdrHB3ZLrINAf0MMou5UQ3ERaDY4zbHfNz5_ycWl10_OKR9IbTna8Usz49VNGppTLgis08BvvHqoymLXQ-oke6h3fQ58kubDMcd2WxdGFTNH2YhqI0Sm2KTff8U76sywg5RgL27ulmFeFwK633turJ8UGfzam5jK3BsM0Whea81mDpwiGC1hXt5uEfKJX35pv7Eva5UPFYlWzwaH-IINK6z1_T7fpoX6iG7wLlNZz5Z9oR9pO_wdl2VV5&lang=sage&interacts=eJyLjgUAARUAuQ==

Also see https://paulmasson.github.io/sagemath-docs/functions/lambert_w.html

plot3d is unaffected.

Demo: https://sagecell.sagemath.org/?z=eJxFT8tqwzAQvAv0D0tOUiO7dkuhBPQBveVeSpBkOTG2JSPJxKb037tyXLqHZWdmH7MGJDhW1PAMllOiEVblGyWLdg3WzBRagDlq1NadyozmQAkljW1hUKO2IbGenygBjEy2bBGwCuhlj-PS_Gk5gk1zcKB0ZPvs5c6wbYECDBzh42nl_NG-t7aPY3j8m5Li5QQHsyp3EAhqBNdg7YYqBME2ucy8Hmab6zzgg3LXDf1sy864LM4j-5wGn14b9v8FGsFH0X3OlBg_-CC3LMBPynRplVX5zqH1AfJ3WYLOQVN2yY6R8S90fy7jzd-ZipM16RJU6rxktahFVdac_wJIYWMx&lang=sage&interacts=eJyLjgUAARUAuQ==

[Andrey Novoseltsev]

Exactly the same with Sage 9.6 in CoCalc. So not related to OS upgrade and most likely something got changed in Sage several versions ago.