Short description of the issue:

When building using the just released Xcode 11.4 beta, RxCocoa fails to build on the following line:

Expected outcome:

RxCocoa compiles without errors or warnings.

What actually happens:

The compile fails with the following error:

RxSwift/RxCocoa/macOS/NSTextView+Rx.swift:20:12: 'NSTextView' is incompatible with 'weak' references

RxSwift/RxCocoa/RxBlocking/RxTest version/commit

Version 5.0.1

Platform/Environment

• iOS
• macOS
• tvOS
• watchOS
• playgrounds

How easy is to reproduce? (chances of successful reproduce after running the self contained code)

• easy, 100% repro
• sometimes, 10%-100%
• hard, 2% - 10%
• extremely hard, %0 - 2%

Xcode version:

  Version 11.4 beta (11N111s)

Installation method:

• CocoaPods
• Carthage
• Git submodules

I have multiple versions of Xcode installed:
(so we can know if this is a potential cause of your issue)

• yes (11.3.1, 11.4 beta 1)
• no

Level of RxSwift knowledge:
(this is so we can understand your level of knowledge
and formulate the response in an appropriate manner)

• just starting
• I have a small code base
• I have a significant code base