Fixed - Stars894

Before Gaia DR2 (2018) and DR3 (2022), many star positions had errors up to several milliarcseconds. A fixed “stars894” could mean:

If you landed on this page searching for “stars894 fixed,” you are likely one of three people: a developer debugging a star database, an astronomy hobbyist who noticed a discrepancy in star ID 894 across different catalogs, or a gamer encountering a patch note for a space simulation. Officially, no major astronomical body (IAU, NASA, ESA) lists “stars894” as a standard identifier. Yet, the phrase implies something important: a correction applied to a star entry labeled “894,” and that correction is now resolved. stars894 fixed

In the world of stellar data, a single “fix” can mean the difference between accurately plotting a star’s position and being off by several arcseconds — enough to miss a transit event or misalign a telescope. Before Gaia DR2 (2018) and DR3 (2022), many

| Audience | Message | |----------|---------| | Support | “We fixed a bug where the star rating could briefly duplicate or show an outdated tooltip. The issue should no longer appear, even when users tap quickly.” | | Marketing | “Stars now feel smoother and more reliable – the rating widget updates instantly, even on slow phones.” | | Developers | “The fix lives in StarsRenderer.renderStars (debounced) and TooltipManager. No API changes, just a performance‑boost and race‑condition removal.” | | QA | “Run the existing ‘Rapid‑Click Stars’ test; you should see zero duplicate DOM nodes and the tooltip always matches the selected rating.” | | Metric | Tool | Alert Threshold |

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| Metric | Tool | Alert Threshold | |--------|------|-----------------| | stars.render.count | Prometheus (instrumented via performance.mark) | > 5 renders per second per session (unexpected) | | stars.tooltip.stale | New Relic (custom event) | > 0.5 % of sessions see tooltip lag > 200 ms | | animation.jank | Chrome User Experience Report (CUJ) | > 5 % of low‑end devices report “Long Animation Frames” |

All metrics are emitted automatically after the fix; a dashboard is already provisioned under Product → UI Stability.

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| Test Type | Description | Pass Rate | |-----------|-------------|-----------| | Unit (Jest) | renderStars called ≤ 1 × per 30 ms burst. | 100 % | | Integration (Cypress) | Simulate 200 rapid clicks → no duplicate DOM nodes. | 100 % | | E2E (Playwright) | Hover tooltip after rating → matches selected rating. | 100 % | | Performance (Lighthouse) | “Avoid large layout shifts” metric improves from 0.13 to 0.01 on low‑end device profile. | 100 % |

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