diff --git a/docs/sources/mimir/configure/about-versioning.md b/docs/sources/mimir/configure/about-versioning.md
index 4c360dc096a..7701e16693d 100644
--- a/docs/sources/mimir/configure/about-versioning.md
+++ b/docs/sources/mimir/configure/about-versioning.md
@@ -184,6 +184,8 @@ The following features are currently experimental:
   - Sharding of active series queries (`-query-frontend.shard-active-series-queries`)
   - Server-side write timeout for responses to active series requests (`-query-frontend.active-series-write-timeout`)
   - Caching of non-transient error responses (`-query-frontend.cache-errors`, `-query-frontend.results-cache-ttl-for-errors`)
+  - Blocking HTTP requests on a per-tenant basis (configured with the `blocked_requests` limit)
+  - Spinning off (as actual range queries) subqueries from instant queries (`-query-frontend.spin-off-instant-subqueries-to-url` and the `instant_queries_with_subquery_spin_off` per-tenant limit)
 - Query-scheduler
   - `-query-scheduler.querier-forget-delay`
 - Store-gateway