Update redirects

Author: rustagir

config/redirects

@@ -76,6 +76,11 @@ raw: ${prefix}/master -> ${base}/upcoming/
 [v5.0-*]: ${prefix}/${version}/fundamentals/enterprise-auth/ -> ${base}/${version}/security/auth/
 [v5.0-*]: ${prefix}/${version}/connection/socks/ -> ${base}/${version}/security/socks/
 
+[v5.0-*]: ${prefix}/${version}/whats-new/ -> ${base}/${version}/reference/whats-new/
+[v5.0-*]: ${prefix}/${version}/compatibility/ -> ${base}/${version}/reference/compatibility/
+[v5.0-*]: ${prefix}/${version}/upgrade/ -> ${base}/${version}/reference/upgrade/
+[v5.0-*]: ${prefix}/${version}/legacy/ -> ${base}/${version}/reference/legacy/
+
 # Usage Example Redirects (TOC reorg)
 
 [v5.0-*]: ${prefix}/${version}/usage-examples/ -> ${base}/${version}/crud/