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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...
7.3 Deprecations and Breaking Changes
7.3 Deprecations and Breaking Changes
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...
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...
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...
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. Though the exact steps...
Post-Upgrade Considerations
Official Documentation
Post-Upgrade Considerations After upgrading the database, you should configure Liferay for production again and check up on feature changes that might affect your Liferay instance. Re-enable...
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: ...
7.4 Deprecations and Breaking Changes
7.4 Deprecations and Breaking Changes
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...
Liferay DXP 2024.Q4 Breaking Changes
Official Documentation
Liferay DXP 2024.Q4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q4. As the...
Liferay DXP 2026.Q2 Breaking Changes
Official Documentation
Liferay DXP 2026.Q2 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2026.Q2. As the...
Liferay DXP 2026.Q1 Breaking Changes
Official Documentation
Liferay DXP 2026.Q1 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2026.Q1. As the...
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...
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...
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...
Example: Removing Intermediate Journal Article Versions
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
Common Upgrade Issues
Common Upgrade Issues Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common situations. ...
Database Tuning for Upgrades
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...

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