Bug priority change: An empirical study on Apache projects

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Zengyang Li, Guangzong Cai, Qinyi Yu, Peng Liang, Ran Mo, Hui Liu

Published: 01 Jan 2024, Last Modified: 08 Nov 2025J. Syst. Softw. 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•An empirical study to explore the phenomenon of bug priority changes.•Priority changes mostly occur before the bug begins to be processed.•Twenty-four patterns of bug priority changes are identified.•Relatively complex bugs are more prone to priority changes.•Bug priority changes are affected by several human factors.