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This tutorial guides you through the process of upgrading your 6.2 theme to run on Liferay Portal CE 7.0.
While you’re at it, you should leverage theme improvements, including support for Sass, Bootstrap 3, and Lexicon (Liferay’s UI design language).
But a theme that’s been migrated to use the Liferay JS Theme Toolkit can leverage the Gulp The Upgrade task makes a best effort to upgrade the theme’s Bootstrap code from version 2 to 3.
The Breaking Changes reference document describes them. Steps the Upgrade task performs are noted in context.
Since Velocity templates have been deprecated, you should convert your Velocity theme templates to Free Marker.
If you’re using the Liferay JS Theme Toolkit, the For all the theme’s templates, it suggests replacement code for deprecated code.
Figure 2: Font Awesome icons facilitate creating social media links. In Liferay Portal 6.2, the CSS file The menus that replace the Dockbar supports a more flexible and responsive design for creating better user experiences.
You should start by addressing the Velocity templates.