Deprecated Operating systems (#2689)

Author: renetapopova

modules/ROOT/pages/changes-deprecations-removals.adoc

@@ -375,6 +375,19 @@ This section lists all the Neo4j Server features deprecated in the 2025 series,
 
 For deprecations in Cypher language, see link:{neo4j-docs-base-uri}/cypher-manual/current/deprecations-additions-removals-compatibility/[Cypher manual -> Deprecations, additions, and compatibility].
 
+=== Operating systems
+
+The following operating systems are deprecated as of Neo4j 2025.10:
+
+* Red Hat Enterprise Linux 8.x
+* Debian 11.x
+* Windows Server 2022
+* MacOS 13 Ventura
+* MacOS 14 Sonoma
+
+These operating systems will continue to be supported along with the next LTS release in 2026, but new releases after the 2026 LTS will no longer support these platforms.
+It is recommended to upgrade to a supported OS version before the next LTS release.
+
 === Procedures
 
 .See all deprecated procedures

modules/ROOT/pages/installation/requirements.adoc

@@ -112,6 +112,12 @@ For more information on Red Hat Enterprise Linux Life Cycle, refer to their link
 
 Java 25 is supported starting from Neo4j 2025.10.
 
+[NOTE]
+====
+Red Hat Enterprise Linux 8.x, Debian 11.x, Windows Server 2022, MacOS 13 Ventura, and MacOS 14 Sonoma are deprecated as of Neo4j 2025.10. They will continue to be supported along with the next LTS release in 2026, but new releases after the 2026 LTS will no longer support these platforms.
+It is recommended to upgrade to a supported OS version before the next LTS release.
+====
+
 [[deployment-requirements-filesystem]]
 == Filesystem