The release notes of Xcode 13.3 beta 2 mentions "code completion" 12 (!) times. Unfortunately I cannot test it yet, since it requires macOS Monterey. Did anybody tried it?
Alexander Vasenin
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Did you get any reply to your bug report?
Xcode 13.2 beta 2 (13C5081f) - same story. Back to Xcode 12.5.1 again 🙁
Still not fixed in Xcode 13.2 beta (13C5066c)
I occasionally have the same problem on my MacBook Pro 2019, 16Gb RAM. Most often it happens if I try to do a cold build for simulator (most of the time I use real devices). If I run top -o mem while it's happening I see literally tens of swift-frontend processing each taking ~200Mb. After about a minute or two RAM congestion wears out and it starts to behave normally. I wonder if anyone also see this?
Same here. Have info about 1-year old versions, but not later.
It seems like in some cases Xcode 12.3 launch way to many swift compilers and starts swapping heavily. Check for memory pressure in Activity Monitor. If it's red, try to fall back to Xcode 12.2 (helped me).