[[r3.4.0]]
= 3.4.0

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This is primarily a bug-fix release, also including the upgrade to Spring Boot 3.5.


== New Feature

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3886[CAUSEWAY-3886] - Utility to measure metaclass memory usage using jmx
* link:https://issues.apache.org/jira/browse/CAUSEWAY-3896[CAUSEWAY-3896] - [Wrapper] Async Wrapping Programming Model Overhaul


== Improvement

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3891[CAUSEWAY-3891] - `pdf.js` download response allows caching, leads to confusing behaviour for end-users.
* link:https://issues.apache.org/jira/browse/CAUSEWAY-3884[CAUSEWAY-3884] - [Persistence] Flesh out `EntityOrmMetadata` support for EclipseLink
* link:https://issues.apache.org/jira/browse/CAUSEWAY-3883[CAUSEWAY-3883] - `WrapperFactory` leaks memory (metaspace) every time it is called.


== Bug

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3893[CAUSEWAY-3893] - `CausewayConfiguration#valueOf(..)` potentially throws preventing App Context Initialization
* link:https://issues.apache.org/jira/browse/CAUSEWAY-3888[CAUSEWAY-3888] - [Tabular] Out of Memory issues when exporting large Tabular Data to XLSX
* link:https://issues.apache.org/jira/browse/CAUSEWAY-3881[CAUSEWAY-3881] - [Wicket Viewer] `BookmarkedPagesPanel` throws when click on 'Clear all'


== Dependency upgrade

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3855[CAUSEWAY-3855] - Upgrade to Spring Boot 3.5


== Documentation

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3887[CAUSEWAY-3887] - Markdown `ComponentFactory` not found from SimpleApp


== Task

* link:https://issues.apache.org/jira/browse/CAUSEWAY-3882[CAUSEWAY-3882] - 3.4.0 release activities



