Release note 4.15.5

[zymap]

Descriptions of the changes in this PR:

Motivation

(Explain: why you're making that change, what is the problem you're trying to solve)

Changes

(Describe: what changes you have made)

Master Issue: #

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Be sure to do all of the following to help us incorporate your contribution
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[hangc0276]

Great job! Thanks @zymap