RAD Studio 10.4 patch 2 was released yesterday, but installing has some manual steps. Here’s how to do it. 10.4 Patch 2 (see Marco’s blog post) solves 51 issues, in areas including debugging instability, Delphi code completion, the IDE, the Delphi compiler, C++ Android exception handling, and more. Unlike normal patches, it requires some manual installation steps — installing the…