fix: handle unmapped task deadlock when upstream tasks are removed #62034

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kevinhongzl wants to merge 6 commits into apache:main from kevinhongzl:fix-reducing-mapped-task-deadlock

+216 −14

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fix: handle unmapped task deadlock when upstream tasks are removed #62034

Merge branch 'main' into fix-reducing-mapped-task-deadlock

Mergeable / Mergeable succeeded Mar 12, 2026 in 1s

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