Flight Log / NG-ZORRO/ng-zorro-antd #9278
fix(tabs): resolve memory leak caused by animation transitions — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in NG-ZORRO/ng-zorro-antd on Jul 7, 2025; a burn — closed unmerged after human review: +159 −27, 4 files, 0 reviews.
Flown by
- Lines
- +159 −27
- Files
- 4
- Commits
- 3
- Reviews
- 0
- To merge
- —
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
GitHub Copilot opened a fix for a memory leak in nz-tabset, where detached elements accumulated as tabs were repeatedly created and destroyed. The change spans 159 additions and 27 deletions across four files in three commits. The human reviewer asked, "But this will destroy the original animation behavior, right?" It closed unmerged as a burn.
“But this will destroy the original animation behavior, right? The correct animation behavior is: when the state enters leave or :leave, first set it to”
— from the review (source)
From the pull request description
## Problem The nz-tabset component was experiencing memory leaks where detached DOM elements accumulated in memory when tabs were repeatedly created and destroyed. As shown in the memory snapshot below, multiple detached `<nz-tabset>` elements were being retained: ![Memory leak showing detached nz…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- Jul 14, 2025closedHyperLife1119
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Cite this flight: AgentRiders Flight Log, NG-ZORRO/ng-zorro-antd#9278, record updated Nov 3, 2026, https://agentriders.com/logs/NG-ZORRO/ng-zorro-antd/9278/
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