Company
Date Published
Author
Jason Laster
Word count
784
Language
-
Hacker News points
None

Summary

Replay has significantly improved its reliability, reducing the crash rate of debugging sessions from one in five to less than one in thirty, and increased its backend "butter score" from a median of 30 to 80, aiming for a perfect 100. Recent backend enhancements include the Protocol Cache, which optimizes replaying performance by caching protocol requests, and JavaScript Scope Mapping, which has reduced scope mapping time from 140 seconds to under 14 seconds. The frontend has seen improvements with a new Console built on React's Suspense Cache for faster and smoother DevTools, and a 33% reduction in the codebase size. The team is refining resource allocation and has temporarily disabled Redux DevTools to address inefficiencies, with plans to release a more robust version in the fall. A recent contribution by Andarist helped solve a complex issue related to React's Offscreen API and Redux, leading to a forthcoming fix that will benefit other developers using these tools.