If you have VisualSVN with Visual Studio 2022 - and assuming you've set up TortoiseSVN to use the Beyond Compare tools as per https://www.scootersoftware.com/kb/vcs#tortoisesvn
go into Tools | Options, select VisualSVN, Code Review: then UNselect 'Use the Visual Studio build-in Diff window', and UNselect 'Use the Visual Studio built-in Merge tool'