content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001418226</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001810806</issuerCik>
  <issuerName>Unity Software Inc.</issuerName>
  <secFileNumber>001-39497</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">30 - 3RD STREET</street1>
  <city xmlns="http://www.sec.gov/edgar/common">SAN FRANCISCO</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94103</zipCode>
  </issuerAddress>
  <issuerContactPhone>415-539-3162</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Silver Lake Group, L.L.C.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>See Remarks</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Merrill Lynch, Pierce, Fenner &amp; Smith Inc.</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">555 California Street</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">18th Floor</street2>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94104</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>188007</noOfUnitsSold>
  <aggregateMarketValue>6713730</aggregateMarketValue>
  <noOfUnitsOutstanding>383457326</noOfUnitsOutstanding>
  <approxSaleDate>09/15/2023</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>02/08/2021</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired in a series of pro rata in-kind distributions from affiliates</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Silver Lake Technology Associates IV, L.P.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>73209</amountOfSecuritiesAcquired>
  <paymentDate>02/08/2021</paymentDate>
  <natureOfPayment>See "Nature of Acquisition"</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>11/24/2021</acquiredDate>
  <natureOfAcquisitionTransaction>Acquired in a series of pro rata in-kind distributions from affiliates</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Silver Lake Technology Associates IV, L.P.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>114798</amountOfSecuritiesAcquired>
  <paymentDate>11/24/2021</paymentDate>
  <natureOfPayment>See "Nature of Acquisition"</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <remarks>The sale described herein is being made solely by Silver Lake Group, L.L.C. ("SLG"). The securities being sold were received in prior in-kind distributions from certain affiliates of SLG. Investment funds affiliated with SLG which hold securities of the Issuer are not selling any securities of the Issuer at this time.  Affiliates of SLG are significant stockholders of the Issuer and an executive of SLG currently serves as a member of the board of directors of the Issuer.</remarks>
  <noticeSignature>
  <noticeDate>09/15/2023</noticeDate>
  <signature>Silver Lake Group, L.L.C. By: /s/ Andrew Schader, Managing Director and General Counsel</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
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text: 144
  0001418226
  XXXXXXXX
  LIVE
  0001810806
  Unity Software Inc.
  001-39497
  30 - 3RD STREET
  SAN FRANCISCO
  CA
  94103
  415-539-3162
  Silver Lake Group, L.L.C.
  See Remarks
  Common Stock
  Merrill Lynch, Pierce, Fenner & Smith Inc.
  555 California Street
  18th Floor
  San Francisco
  CA
  94104
  188007
  6713730
  383457326
  09/15/2023
  NYSE
  Common Stock
  02/08/2021
  Acquired in a series of pro rata in-kind distributions from affiliates
  Silver Lake Technology Associates IV, L.P.
  N
  73209
  02/08/2021
  See "Nature of Acquisition"
  Common Stock
  11/24/2021
  Acquired in a series of pro rata in-kind distributions from affiliates
  Silver Lake Technology Associates IV, L.P.
  N
  114798
  11/24/2021
  See "Nature of Acquisition"
  Y
  The sale described herein is being made solely by Silver Lake Group, L.L.C. ("SLG"). The securities being sold were received in prior in-kind distributions from certain affiliates of SLG. Investment funds affiliated with SLG which hold securities of the Issuer are not selling any securities of the Issuer at this time.  Affiliates of SLG are significant stockholders of the Issuer and an executive of SLG currently serves as a member of the board of directors of the Issuer.
  09/15/2023
  Silver Lake Group, L.L.C. By: /s/ Andrew Schader, Managing Director and General Counsel