More modules and tunnelling in custom UI and new FormCondition UI kit component
ADDED - Custom UI support for Confluence content action and Jira issue action modules
Custom UI is now available in Confluence content action and Jira issue action modules.
Check out the manifest reference documentation to learn how to build your Forge apps using custom UI, or see our step-by-step tutorial to get started with custom UI.
ADDED - Close method in custom UI bridge version 1.1.0
With custom UI now supporting modal dialog modules, we’re providing a new API to control the view context of these apps. Starting with this release, the view object is now exported from the @forge/bridge package. This object contains the method view.close(), which allows the app to request the closure of the current view, such as the modal dialog that contains the app.
See custom UI bridge for more details and examples.
Run npm install @forge/bridge@latest in your resource directory to update to the latest version.
ADDED - Custom UI tunnel updates
Previously, running the forge tunnel command would only work for custom UI resolvers. In this release, you can now use the forge tunnel command with custom UI apps. This means that any changes to your custom UI static bundle will now be reflected by the tunnel as well.
Check out the tunneling documentation for more details.
ADDED - FormCondition component in UI kit version 0.10.0
You can now use the new FormCondition component in the UI kit, which lets you conditionally display components based on specific values in a form.
Run npm install @forge/ui@latest in your app directory on the command line to install the latest version of the UI kit.
Thank you for continuing to provide valuable feedback to help us to improve the Forge platform!
view.close() on issueAction for CustomUI is what I was looking for until Project Page is available 
thanks a lot 