SIVA-585 Update roadmap

Author: heititobi

docs/siva3/roadmap.md

@@ -4,11 +4,23 @@ This roadmap is for information purposes and can change without prior notice.
 
 ## Planned releases
 
-### 3.10.0 release - December 2025
-- If the difference between signatures timestamp and OCSP response exceeds 24 hours, return a warning instead of an error.
-- Digidoc4j version update to 6.1.0
-- DSS version update to 6.2
-- Dependency updates
+### 3.10.0 release - Targeted for March 2026
+- Return a warning instead of an error when the time difference between a signature timestamp and the corresponding OCSP response exceeds 24 hours
+- Upgrade Digidoc4j to version 6.1.0
+- Upgrade DSS to version 6.2
+- New timestamp token "errors" and "warnings" fields to validation report (existing "error" and "warning" fields will be deprecated)
+- Consolidate revocation freshness warning messages
+- General dependency updates and maintenance improvements
+
+### 3.11.0 release - Targeted for June 2026
+- Migration to Spring Boot 4
+- General dependency updates and maintenance improvements
+
+### 3.12.0 release - Targeted for December 2026
+- Add JAdES validation support
+- Upgrade Digidoc4j to version 6.2.0
+- Upgrade DSS to a 6.x release
+- General dependency updates and maintenance improvements
 
 ## Past releases