Front-End Fire 120: Is the AI Bubble About to Burst?
Nov 3, 2025
The hosts dive into the exciting features of React Compiler, highlighting its innovative auto memoization that speeds up performance. They also explore Cursor 2.0's new agentic workflows and how it can run multiple agents in parallel. The big question arises: is the AI bubble about to burst? The hosts debate AI's true value versus its hype, the economic implications for businesses, and the challenges faced by junior developers in an AI-driven job market. They wrap up with light-hearted personal gratifications, from heated footrests to movie picks.
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Episode notes
Compiler Enables Granular Component Memoization
- React Compiler 1.0 creates fine-grained memoization inside components to avoid unnecessary re-renders.
- That can make large component UIs feel instant by skipping VDOM work when state hasn't changed.
Keep Existing Memos When Trying Compiler
- Do not rush to remove existing useMemo or useCallback calls when adding the compiler; you can keep them and opt out per file.
- Use the per-module pragma to disable compiler memoization for files that need manual control.
Cursor's Composer Worked Fast On Real Tasks
- TJ tried Cursor's Composer agent to upgrade Next and enable the React compiler and praised its speed.
- The agent quickly found TurboPack issues, researched a webpack flag, and adapted the approach during the run.