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For example, if you've chosen to sort by the Summary field, set a 50-issue limit for your matrix, and there are 70 issues available, the first 50 will be shown based on their alphabetical order in the Summary field. If you haven't chosen a sorting field , you during matrix configurations, in the issue view, users can directly sort the results by a column in the matrix itself. If none of that is done, the 50 issues you see will follow Jira's arrangement.
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