WebStorm is actively enhancing its performance through a dedicated focus on speed, responsiveness, and reliability, addressing user concerns about lag. By utilizing a comprehensive performance test suite and the IJ-Perf monitoring tool, the team tracks and resolves performance regressions. User feedback and real-world projects are vital for ongoing improvements. Initiatives include analyzing CPU snapshots, addressing memory issues in the TypeScript service, and experimenting with a service-based type engine for better efficiency.

6m read timeFrom blog.jetbrains.com
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Building a smarter, broader performance suiteA dashboard that keeps us honestDetecting performance degradations – early and oftenReal projects, real insightsThe hardest part? Reproducing the bugWhat’s next?We’re in this together
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