docs(angular): deprecate IonicModule

[thetaPC]

Issue URL: internal

What is the current behavior?

The Angular documentation presents the Modules approach and IonicModule as a fully supported option with no indication that it is being phased out. The Build Options guide, the per config guides, and the Platform guide all show IonicModule.forRoot() examples, and the Ionic 9 upgrade guide does not mention the deprecation.

What is the new behavior?

• docs/angular/build-options.md: notes that the Modules approach and IonicModule are deprecated as of Ionic 9, adds a Deprecation Notice admonition to the Modules section, and adds a code splitting note explaining the single entry point limitation of the standalone build.
• docs/updating/9-0.md: adds an IonicModule Deprecation entry that points to the migration guide.
• docs/developing/config/* and docs/angular/platform.md: add a deprecation comment above the IonicModule examples that points developers to provideIonicAngular(). The Platform guide example is converted into Angular and Angular (Standalone) tabs so the standalone equivalent is shown alongside the Modules version.

Does this introduce a breaking change?

• Yes
• No

Other information

Previews:

• docs/angular/build-options
• docs/angular/platform
• docs/updating/9-0
• docs/developing/config

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
ionic-docs	Ready	Preview, Comment	Jul 17, 2026 10:17pm

[brandyscarney]

Looking good just a few suggestions!