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Configuring llms.txt
Official Documentation
Configuring llms.txt Liferay DXP 2026.Q3+ [Beta Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) In Liferay DXP, llms.txt is a...
Best Practices for Managing Publications
Official Documentation
Best Practices for Managing Publications Efficient publication workflows in Liferay help improve collaboration, reduce errors, and streamline content delivery. Follow these best practices to...
Comparing Publishing Tools
Official Documentation
Comparing Publishing Tools Liferay provides two publishing tools for content creation and site building: Publications and Staging. Publications is recommended over Staging in nearly all use cases...
Creating Mobile Device Rules
Official Documentation
Creating Mobile Device Rules Available in Liferay 7.2 and prior as it is deprecated in 7.3 As a prerequisite, you must install the Liferay Mobile Device Detection Lite (LMDD) app from Liferay...
Promoting Content to New Environments
Promoting Content to New Environments Liferay DXP 2026.Q1+ Liferay Archive (LAR) files allow for transferring content, data structures, and even whole sites between Liferay environments....
Creating and Managing Publications
Official Documentation
Creating and Managing Publications Liferay DXP/Portal 7.3+ With Publications, users can create instance-scoped blocks of changes. Because each publication is instance-scoped, they can be accessed...
Using the Simulation Panel
Official Documentation
Using the Simulation Panel Available Liferay DXP 2023.Q4+/Portal GA102+ You can verify your page's responsiveness by simulating different scenarios. With Liferay, use the Simulation panel to...
Personal Sites
Official Documentation
Personal Sites By default, Liferay generates a personal site for every user. Each site includes two page sets: My Profile (public) and My Dashboard (private). Each user is the sole member of their...
Single-Page Application (SPA)
Single-Page Application (SPA) Rendering a page from scratch takes a lot of effort from the browser. It must load the HTML markup, the CSS, and any JavaScript, render and style the markup, and...
Publications
Official Documentation
Publications The Publication application is in maintenance mode as of Liferay DXP 2026.Q1. Liferay DXP/Portal 7.3+ You can use Publications to develop, track, and publish changes across your DXP...
Making and Publishing Changes
Official Documentation
Making and Publishing Changes Liferay 7.3+ Publications provides a convenient way to manage changes to your Liferay instance. With it, you and your team can create and collaborate on blocks of...
Enabling Publications
Official Documentation
Enabling Publications Available Liferay 7.3+ Publications provides a convenient and flexible way for you and your teams to develop, track, and publish changes. When enabled, Publications is...
Moving Changes Between Publications
Official Documentation
Moving Changes Between Publications Liferay DXP 2023.Q3+/Portal GA92+ You can move changes from one publication to another while reviewing them. This helps organize content and manage updates more...
Using the Publications Toolbar
Official Documentation
Using the Publications Toolbar The Publications Toolbar provides essential information for Publications users, including the name of the current publication or Production if working in the...
Staging
Official Documentation
Staging Liferay's Staging application provides a working environment for making changes to a site or asset library before publishing your changes to your live environment. With it, you can modify...
Publications Permissions
Official Documentation
Publications Permissions 7.4+ Publications works with Liferay's permissions framework, so you can assign application and resource permissions to regular roles. You can also assign permissions...
Configuring Local Live Staging
Official Documentation
Configuring Local Live Staging With Local Live staging, both your staging and live environments are hosted on the same Liferay server. When enabled, Liferay DXP creates a local clone of your site...
Reviewing Publication Changes
Official Documentation
Reviewing Publication Changes Review a publication’s tracked changes before publishing to ensure it contains only the edits you want. To review publication changes, open the Publications drop-down...
Using Workflow with Publications
Official Documentation
Using Workflow with Publications 7.4 U44+/GA44+ Publications is integrated with Liferay's Workflow framework, so you can continue to use custom workflows for reviewing content and pages while...
Reverting Changes
Official Documentation
Reverting Changes Liferay Publications maintains a history of all published changes. You can use this publishing history to easily create publications that revert earlier changes to production....
Resolving Conflicts
Official Documentation
Resolving Conflicts During the publishing process, Liferay checks for conflicts between your publication and the production environment. Resolving all conflicts is necessary to complete publishing....
Using Publication Templates
Official Documentation
Using Publication Templates Liferay 7.4 U73+/GA73+ To simplify creating publications with shared details and contributors, use publication templates. You can create a list of users to invite and...
Day 1 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 1 Day 1 Exercises for Building Enterprise Websites with Liferay Exercise 1: Exploring Clarity's Public Enterprise Website Exercise 2: Verifying and Launching Liferay...
Course Style
Course Style This article covers rules that apply only to course content: the elements that distinguish a course from a feature article, the course and module structure, naming conventions, lesson...
Day 2 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 2 Day 2 Exercises for Building Enterprise Websites with Liferay Exercise 11: Generating Content with ChatGPT Bonus Exercise: Auto-Tagging Content Exercise 12a:...
Day 3 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 3 Day 3 Exercises for Building Enterprise Websites with Liferay Exercise 19a: Creating an Object Definition Exercise 19b: Building the Form Exercise 19c: Creating a...
Liferay University
Liferay University This page serves as an archive and index of videos that were previously hosted on Liferay University. As of February 28, 2023 Liferay University is no longer operational....
Javadocs
Javadocs Portal-Impl Portal-Kernel Portal-Test Core Apps
Portlet API
Portlet API Portlet API
Jakarta 2025 FAQ
Jakarta 2025 FAQ Liferay DXP is evolving! To continue providing you with the most advanced and secure platform, Liferay is transitioning its underlying enterprise platform from Java EE 8 to Jakarta...
Formatting
Formatting This article covers the formatting choices that apply to both product documentation and courses: text emphasis, code, lists, tables, headings, images, admonitions, file naming, front...
Training Material
Training Material These materials supplement some recorded and in-person trainings by providing you with opportunities to practice key skills, test your understanding, and gain confidence in...
Building Enterprise Websites with Liferay Exercises
Building Enterprise Websites with Liferay Exercises These exercises supplement the Building Enterprise Websites with Liferay video training and provide an opportunity to solidify your learning....
Liferay Style Guide
Liferay Style Guide This is the style guide for the content Liferay publishes — both the product documentation and the courses. It sits on the shoulders of giants: The Chicago Manual of Style and...
Legacy Documentation
Legacy Documentation Using Liferay DXP 7.2 Developing Liferay DXP 7.2 Using Liferay DXP 7.1 Developing Liferay DXP 7.1 Using Liferay DXP 7.0 Developing Liferay DXP 7.0 Using Liferay...
Properties Documentation
Properties Documentation Portal Properties System Properties Liferay Plugin Package Properties 7.4 Liferay Plugin Package Properties 7.3 Liferay Plugin Package Properties 7.2 Liferay Plugin...
Utility Classes
Utility Classes Util-Bridges Util-Java Util-slf4j Util-Taglib
Documentation Style
Documentation Style This article covers rules that apply only to product documentation: the six documentation types and their templates, how to handle multiple Liferay versions, the badges that...
7.2 Breaking Changes
Official Documentation
7.2 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
7.3 Breaking Changes
Official Documentation
7.3 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Maintenance Mode and Deprecations in Liferay DXP 2026.Q3
Official Documentation
Maintenance Mode and Deprecations in Liferay DXP 2026.Q3 Features moved to maintenance mode or marked as deprecated in Liferay DXP 2026.Q3 appear here. For details about these statuses and their...
Maintenance Mode and Deprecations in 7.2
Maintenance Mode and Deprecations in 7.2 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
2026.Q3 Default Setting and Feature Flag Changes
Official Documentation
2026.Q3 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, review the changes and...
7.2 Deprecations and Breaking Changes
7.2 Deprecations and Breaking Changes
7.3 Deprecations and Breaking Changes
7.3 Deprecations and Breaking Changes
Default Setting Changes in 7.2
Default Setting Changes in 7.2 Most new versions of Liferay include changes to the default settings. If you rely on the defaults from your old version, you should review the changes and decide to...
Maintenance Mode and Deprecations in 7.4
Maintenance Mode and Deprecations in 7.4 With each new Liferay DXP and Liferay Portal release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a...
7.4 Deprecations and Breaking Changes
7.4 Deprecations and Breaking Changes
7.4 Breaking Changes
Official Documentation
7.4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay 7.4, starting with the latest quarterly...
Maintenance Mode and Deprecations in 7.3
Maintenance Mode and Deprecations in 7.3 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
Migrating the Database
Official Documentation
Migrating the Database For support, maintenance, or performance reasons, you may decide to migrate from the database you use to one of the other databases Liferay supports. Liferay DXP provides a...
Database Pruning for Faster Upgrades
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
Renamed Language Keys
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
Preparing for an Upgrade
Official Documentation
Preparing for an Upgrade Preparation and planning may be of little consequence for small, casual installations but is mandatory for large enterprise-level installations. There are specific...
Migrating Your Database to PostgreSQL
Official Documentation
Migrating Your Database to PostgreSQL Liferay DXP 2026.Q3+ Migrating a Liferay DXP database to PostgreSQL has two phases. First, export the database schema to SQL files from either Server...
Data Cleanup
Data Cleanup Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load during an upgrade, improving performance and reducing overhead. As of Liferay...
Upgrade Stall Detection
Upgrade Stall Detection Liferay DXP 2026.Q3+ During a database upgrade, Liferay DXP checks the database every 60 seconds and logs queries that appear stalled. You can use these messages to tell...
Migrating Configurations and Properties
Migrating Configurations and Properties Your current DXP installation's OSGi configurations (7.0+) and properties (such as portal properties and system properties) set up your DXP instance to fit...
Default Setting and Feature Flag Changes in 7.4
Default Setting and Feature Flag Changes in 7.4 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
Default Setting Changes in 7.3
Default Setting Changes in 7.3 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the changes and decide...

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