Scala 3.6.3 has launched, featuring the new -Yprofile-trace compiler option, which generates trace events in a standard JSON format. This enhancement allows developers to graphically analyze the time taken for each compilation phase. Users can enable this feature by running the compiler with -Yprofile-enabled and designate a trace output path. Optionally, they can specify a destination for other profiler outputs. The generated results can be viewed in a web browser via Perfetto UI. Comprehensive release notes are also available for further changes and contributor acknowledgments.
Scala 3.6.3 introduces the -Yprofile-trace compiler option for generating trace events in JSON format, aiding tools in visualizing compilation time across phases.
To use the new profiling feature, enable it with -Yprofile-enabled and specify trace file paths using -Yprofile-trace:path/to/compiler.trace.
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