Update 5.0.0.md

Author: JervenBolleman

site/content/release-notes/5.0.0.md

@@ -5,10 +5,12 @@ toc: true
 RDF4J 5.0.0 is a major release of the Eclipse RDF4J framework. Some highlights:
 
 - Replacement of the custom Iteration interface with Java Iterable/Iterator
-- Upgrade of MapDB
 - Replacement of old openrdf.org config vocabulary IRIS with new rdf4j.org vocabulary
 - Improved SHACL validation with support for sh:closed and pairwise validation
-
+- Upgrade of MapDB
+  - More queries with intermediary results are no longer limited by RAM/java heap but disk space available
+- JSON-LD 1.1 support
+- Merge joins as an optimization
 For a complete overview, see [all issues fixed in 5.0.0](https://github.com/eclipse/rdf4j/milestone/80?closed=1).
 
 ## Upgrade notes