Here are the HubSpot links to recent external release notes.
This info is also available from a Salesforce Knowledgebase FAQ (https://shiphawk.force.com/success/s/article/Release-Notes).
2023.7.0 Release Notes
2023.6.0 Release Notes
2023.5.0 Release Notes
2023.4.0 Release Notes
2023.3.0 Release Notes
2023.2.0 Release Notes
ShipHawk-Acumatica Connector 4.1 Release Notes
2023.1.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/ShipHawk_Release_Notes_2023_1_0.pdf
2022.7.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/ShipHawk_Release_Notes_2022_7_0.pdf
2022.6.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/ShipHawk_Release_Notes_2022_6_0.pdf
2022.5.0 Release Notes
2022.4.0 Release Notes
2022.3.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/2022.3.0 Release Notes.pdf
2022.2.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/2022.2.0 Release Notes.pdf
2022.1.0 Release Notes
https://3793859.fs1.hubspotusercontent-na1.net/hubfs/3793859/2022.1.0 Release Notes.pdf