updated updating

UPDATING.md

@@ -23,9 +23,10 @@ This file documents any backwards-incompatible changes in Superset and
 assists people when migrating to a new version.
 
 ## Next
-- [24232](https://github.com/apache/superset/pull/24232) Enables ENABLE_TEMPLATE_REMOVE_FILTERS, DRILL_TO_DETAIL, DASHBOARD_CROSS_FILTERS by default, marks VERSIONED_EXPORT and ENABLE_TEMPLATE_REMOVE_FILTERS as deprecated.
-- [23652](https://github.com/apache/superset/pull/23652) Enables GENERIC_CHART_AXES feature flag by default.
-- [23226](https://github.com/apache/superset/pull/23226) Migrated endpoint `/estimate_query_cost/<int:database_id>` to `/api/v1/sqllab/estimate/`. Corresponding permissions are can estimate query cost on SQLLab. Make sure you add/replace the necessary permissions on any custom roles you may have.
+- [24256](https://github.com/apache/superset/pull/24256): `Flask-Login` session validation is now set to `strong` by default. Previous setting was `basic`.
+- [24232](https://github.com/apache/superset/pull/24232): Enables ENABLE_TEMPLATE_REMOVE_FILTERS, DRILL_TO_DETAIL, DASHBOARD_CROSS_FILTERS by default, marks VERSIONED_EXPORT and ENABLE_TEMPLATE_REMOVE_FILTERS as deprecated.
+- [23652](https://github.com/apache/superset/pull/23652): Enables GENERIC_CHART_AXES feature flag by default.
+- [23226](https://github.com/apache/superset/pull/23226): Migrated endpoint `/estimate_query_cost/<int:database_id>` to `/api/v1/sqllab/estimate/`. Corresponding permissions are can estimate query cost on SQLLab. Make sure you add/replace the necessary permissions on any custom roles you may have.
 - [22809](https://github.com/apache/superset/pull/22809): Migrated endpoint `/superset/sql_json` and `/superset/results/` to `/api/v1/sqllab/execute/` and `/api/v1/sqllab/results/` respectively. Corresponding permissions are `can sql_json on Superset` to `can execute on SQLLab`, `can results on Superset` to `can results on SQLLab`. Make sure you add/replace the necessary permissions on any custom roles you may have.
 - [22931](https://github.com/apache/superset/pull/22931): Migrated endpoint `/superset/get_or_create_table/` to `/api/v1/dataset/get_or_create/`. Corresponding permissions are `can get or create table on Superset` to `can get or create dataset on Dataset`. Make sure you add/replace the necessary permissions on any custom roles you may have.
 - [22882](https://github.com/apache/superset/pull/22882): Migrated endpoint `/superset/filter/<datasource_type>/<int:datasource_id>/<column>/` to `/api/v1/datasource/<datasource_type>/<datasource_id>/column/<column_name>/values/`. Corresponding permissions are `can filter on Superset` to `can get column values on Datasource`. Make sure you add/replace the necessary permissions on any custom roles you may have.