<ul><li>An app using GetX framework faced performance issues, consuming 800MB memory and causing ANRs on older devices.</li><li>A warning from a senior architect about creating performance nightmares with GetX was highlighted, leading to the need for performance testing.</li><li>The experience led to diving into Flutter DevTools for profiling GetX controllers to address invisible performance issues.</li><li>The focus shifted from fixing bugs to preventing them entirely through performance testing and optimization.</li></ul>

9 DevTools Techniques That Will Expose Hidden Performance Killers in Your GetX Apps

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