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			<link:roleType roleURI="http://www.MFS.com/20260228/role/DocumentAndEntityInformation1" id="DocumentAndEntityInformation1">
				<link:definition>010000 - Document - Document and Entity Information {Elements}</link:definition>
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				<link:usedOn>link:calculationLink</link:usedOn>
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			<link:roleType roleURI="http://www.MFS.com/20260228/role/RRDetailData2" id="RRDetailData2">
				<link:definition>020102 - Disclosure - Risk/Return Detail Data (MFS Active Short Duration Income ETF) {Elements}</link:definition>
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				<link:definition>020101 - Schedule - Risk Table {Transposed}</link:definition>
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				<link:definition>020104 - Disclosure - Risk/Return Detail Data (MFS Active Short Muni Bond ETF) {Elements}</link:definition>
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				<link:definition>020101 - Schedule - Risk Table {Transposed}</link:definition>
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				<link:definition>010004 - Schedule - Investment Risks {Unlabeled}</link:definition>
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