Interim 1.6.4 release notes

docs/release/1.6.md

@@ -8,6 +8,23 @@
 
 ## New Functionality
 
+(Release-1.6.4)=
+### Release 1.6.4
+
+* Rename ebgp.utils plugin to bgp.session
+* Add configurable IPv6 prefix length to address pools 
+* Selectively apply BGP session attributes to IBGP and EBGP sessions
+* Implement BFD for BGP neighbors in bgp.session plugin
+* Add ebgp.multihop support for SR Linux and SR OS
+
+**New plugin functionality:**
+
+* Add _requires metadata to handle mandatory plugin dependencies
+* Use _config_name plugin metadata instead of API call
+* Sort loaded plugins based on their dependencies documented in _execute_after metadata
+* Implement plugin redirect (used to rename ebgp.utils to bgp.session)
+* Plugin development documentation
+
 (release-1.6.3)=
 ### Release 1.6.3
 
@@ -125,6 +142,16 @@ _netlab_ code stopped using `netsim.common` module. That module should no longer
 
 ## Bug Fixes
 
+### Bug Fixes in Release 1.6.4
+
+* Use management VRF with Arista cEOS
+* Cosmetic fix: align table header columns in BGP reports
+* Sort custom configurations to speed up 'netlab initial'
+* Add typing tests of 'extra' plugins to the CI/CD tests
+* Rewrite bgp.session plugin to use BGP neighbor generators
+* Make 'loading plugins' error messages easier to understand 
+* Add jQuery to documentation pages
+
 ### Bug Fixes in Release 1.6.3
 
 * Add tunnel interface names to Cumulus/FRR settings to support ebgp.multihop