stuartmorgan-g

Please see step 1 of the [instructions for multi-package PRs](https://github.com/flutter/flutter/blob/master/docs/ecosystem/contributing/README.md#changing-federated-plugins) for the instructions on how to make this PR something that the CI can run tests on without failing all...

Thanks; it looks like CI is now flagging a number of real failures caused by the PR (analysis, Android lint, macOS native tests). The "View details" links for the failing...

@frontyard Are you still planning on working on this PR? There are a number of failures in the tests run by CI that need to be addressed.

Thank you for your contribution. Since there are outstanding comments but the PR hasn’t been updated in several months, I’m going to close it so that our PR queue reflects...

@StanleyCocos Could you just check `canGoBack` in the navigation delegate when the URL changes? Ideally we wouldn't add new callbacks for every property, and I would not expect this one...

> some actions that may occur in H5 only trigger changes in the history, but do not invoke the callbacks of the existing NavigationDelegate methods Could you give specific examples?...

Given that we can only support this on iOS, I'm not sure it would be valuable to implement currently.

> I'm unsure whether this request can still proceed with a valid PR. It could be added as a platform-specific API that's exposed at the `webview_flutter_wkwebview` level but not the...

> I'm not sure if it's better to remove the compression altogether Unconditionally changing the system-default behavior, which the plugin has always had, would be a regression for many people....

Thanks for the submission! In the future, please do not delete the checklist that is in the PR template; it is there for a reason. This PR is missing required...