Aglet

Learn from recurring stale cached UI regressions

Recurring stale screens undermine trust in otherwise correct data. Compare episodes for shared views, partial updates, back navigation, cache boundaries, or delayed processing and preserve the smallest freshness contract that matters to the decision.

Keep the lesson for the next incident

  1. Compare stale boundaries

    Align record change, view, route, update mechanism, cache or client path, duration, and consequence across episodes. Separate delayed processing from a representation that incorrectly claims to be current.

  2. Define current-state evidence

    Document which authoritative value, timestamp, and rendered indicator must agree for each consequential view. State acceptable pending states and the refresh paths that must preserve them.

  3. Set a recurrence check

    Create a review trigger for cache, partial-render, navigation, or update changes affecting the view. Name the paths and delayed windows that should be checked before freshness is trusted again.

What to carry forward

The lesson should add one freshness contract and a recurrence rule for the affected read paths. Treat the improvement as provisional until later changes show current data and honest pending states across navigation boundaries. Preserve a freshness review for pages whose state drives decisions and rerun it after caching, Turbo, presenter, navigation, or response-header changes.

Keep the decision with the work.

Use a Work Item in Aglet to record the problem, the evidence you have, and the next decision. Add an owner and priority, then keep updates in the discussion so the next person can follow the reasoning.

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