## cortexproject/cortex — v1.21.0…v1.21.1-rc.0

_15 commits._

### Features
- **Re add Metadatav2 to test** (2866b21)
- **add WrappedHistogram with size limit before unmarshal (#7570)** (0aa625b)
- **Security: add flags for TCP connection limits and timeouts (#7518)** (9179e25)

### Fixes
- **fix panic in stream push when context deadline expires during request marshalling (#7541)** (5f5273f)
- **security: fix stored XSS in alertmanager and storegateway status pages (#7512)** (e271370)

### Backend
- **Set release in progress** (6ce3ad7)
- **Set up target date for release** (f70e08f)
- **Adapt tests for go 1.25** (22b8052)
- **Prepare release candidate 0 for v1.21.1** (15288b4)
- **fixes panic when using snappy with ingester client (#7459)** (ca00039)
- **Regenerate cortex.pb.go** (6c8ec08)
- **security: limit decompressed gzip output in ParseProtoReader and OTLP ingestion path (#7515)** (66d885d)
- **Tenant impersonation push stream (#7475)** (426d7c3)
- **drop digest verification fail packets (#7474)** (8faeaa9)
- **Mask Swift, etcd, Redis, and HTTP basic-auth credentials  (#7473)** (540b773)

_Recap by [Repo Wrapped](https://repowrapped.com/gh/cortexproject/cortex?utm_source=github-action)._