# leveling-up
Top Seven Things I Learned at SRECon23 Americas
Take time to understand how you got there and communicate well with other teams.
LinkTop Five Things I Learned at SRECon22 Americas
Evaluating Learnings, Brownouts not Blackouts, When to Stop Fixing, Trust, Scientific Method for Testing. Intentional degradation with brownouts during a surge in usage helps avoid blackouts where the service crashes.
LinkTop 5 Things I Learned at RenderATL
The new `startTransition` API in React 18 can keep sliders and other UI elements responsive while a larger re-render is taking place elsewhere on the page.
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