Mark block format as beta (neo4j#1328)

modules/ROOT/pages/database-internals/store-formats.adoc

@@ -7,9 +7,10 @@ The available formats are:
 * `aligned` label:default[Default]
 * `standard`
 * `high_limit` label:enterprise-edition[]
-* `block` label:enterprise-edition[]label:version-number[Neo4j 5.14]
+* `block` label:enterprise-edition[] label:beta[Beta] label:version-number[Introduced in Neo4j 5.14]
 
-Neo4j's newest store format is `block`, it has the best performance and supports the highest limits.
+Neo4j's newest store format is `block`.
+It has the best performance and supports the highest limits.
 `block` format is intended to replace all the older formats.
 The `block` format uses a range of different data structures and inlining techniques to achieve data locality and store related data together on disk.
 This allows more related data to be fetched by fewer read operations, resulting in better resource utilization.
@@ -268,16 +269,11 @@ The following tables show the format and Neo4j version compatibility and the lim
 |===
 | Name | Store format version | Introduced in | Unsupported from
 
-| `BLOCK_V1`
+| `BLOCK_V1` label:beta[Beta]
 | `block-block-1.1`
 | `5.14.0`
 |
 
-| `BLOCK_V2B` (beta)
-| `block-block-2b.1`
-| `5.10.0`
-| `5.14.0`
-
 |===