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Reply to XCode Slow After Big Sur update
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?
May ’21
Reply to App Startup with Debugger in Xcode 26 is slow
I tried to disable swift-tasks-plugin-enabled as you described, but that barely had noticeable effect (<1s difference). With the debugger attached (and iPhone connected with USB) our app becomes responsive after about 6-7 seconds from start, while this time decreases to less than 1s if I turn off "Debug executable" option in scheme. I collected lldb-rpc-server sample as you described and added it to FB21378487. Hope it would be helpful!
Dec ’25