[issue42115] Caching infrastructure for the evaluation loop: specialised opcodes

Guido van Rossum added the comment: Thanks! The loop overhead is presumably dramatic in that example. I think I measured a somewhat bigger speedup using timeit, which IIRC subtracts the cost of an empty loop. But you're right that 5% on a micro-benchmark is not very exciting. I wonder if th

[issue42647] Unable to use concurrent.futures in atexit hook

Kyle Stanley added the comment: Thanks for bringing attention to this, Julien. While the regression is definitely unfortunate, I'm uncertain about whether the behavior is *correct* to allow in the first place. Specifically, allowing the registration of an atexit hook which uses a ThreadPool

[issue43074] Unable to use system proxy with HTTPS connection on Windows

New submission from 双草酸酯 : On Windows you can only set a "host:port" http proxy as system proxy. ``` PS > Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings' | findstr ProxyServer ProxyServer : 127.0.0.1:7890 ``` But in Python, it assumes tha

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