Merge pull request #2653 from weaviate/20240926-add-QUERY_CROSS_REFER…

…ENCE_DEPTH_LIMIT

Add QUERY_CROSS_REFERENCE_DEPTH_LIMIT to env vars

developers/weaviate/config-refs/env-vars.md

@@ -44,6 +44,7 @@ All other values are interpreted as `false`.
 | `PERSISTENCE_LSM_MAX_SEGMENT_SIZE` | Maximum size of a segment in the [LSM store](../concepts/storage.md#object-and-inverted-index-store). Set this to limit disk usage spikes during compaction to ~2x the segment size. Default: no limit | `string` | `4GiB` (IEC units), `4GB` (SI units), `4000000000` (bytes) |
 | `PROMETHEUS_MONITORING_ENABLED`  | If set, Weaviate collects [metrics in a Prometheus-compatible format](/developers/weaviate/configuration/monitoring.md) | `boolean` | `false` |
 | `PROMETHEUS_MONITORING_GROUP` | If set, Weaviate groups metrics for the same class across all shards. | `boolean` | `true` |
+| `QUERY_CROSS_REFERENCE_DEPTH_LIMIT` | Sets the maximum depth of cross-references to be resolved in a query. Defaults to 5. <br/>Added in `v1.24.25`, `v1.25.18`, `v1.26.5`. | `string - number` | `3` |
 | `QUERY_DEFAULTS_LIMIT` | Sets the default number of objects to be returned in a query. | `string - number` | `25` <br/> Starting in v1.24, defaults to `10`|
 | `QUERY_MAXIMUM_RESULTS` | Sets the maximum total number of objects that can be retrieved. | `string - number` | `10000` |
 | `QUERY_SLOW_LOG_ENABLED` | Log slow queries for debugging. Requires a restart to update. <br/> (New in 1.24.16, 1.25.3) | `boolean` | `False` |