v2.5.16

## v2.5.16

Release date: August 6, 2025

| Milvus version | Python SDK version | Node.js SDK version | Java SDK version |
|----------------|--------------------|---------------------|------------------|
| 2.5.16          | 2.5.14            | 2.5.12              | 2.5.11           |

We're excited to announce Milvus 2.5.16! This version enhances your experience by fixing a series of functionality bugs and improving user experiences. It also delivers a range of general performance and stability enhancements, while resolving numerous bugs to ensure a more robust system. We encourage you to upgrade to 2.5.16 and explore these latest updates!

### Improvements

- Removed collection name validation from `DescribeCollection` ([#43300](https://github.com/milvus-io/milvus/pull/43300)).
- Unlinked mmap file when chunk and index are destructed ([#43546](https://github.com/milvus-io/milvus/pull/43546)).
- Used set element for string term type ([#43393](https://github.com/milvus-io/milvus/pull/43393)).
- Upgraded Go version to 1.24.4 to fix CVEs ([#43467](https://github.com/milvus-io/milvus/pull/43467)).
- Only downloaded necessary fields during clustering analyze phase ([#43362](https://github.com/milvus-io/milvus/pull/43362)).
- Updated Lindera version ([#43457](https://github.com/milvus-io/milvus/pull/43457)).
- Optimized channel node balancing for uneven QueryNode distribution ([#43423](https://github.com/milvus-io/milvus/pull/43423)).

### Bug fixes

- Fixed hybrid search to support offset param in RESTful API ([#43721](https://github.com/milvus-io/milvus/pull/43721)).
- Fixed Jieba tokenizer panic when dict word was empty string ([#43718](https://github.com/milvus-io/milvus/pull/43718)).
- Fixed span raw data retrieval for variable length data type ([#43703](https://github.com/milvus-io/milvus/pull/43703)).
- Incremented offset for invalid data rows in JSON key stats inverted index ([#43688](https://github.com/milvus-io/milvus/pull/43688)).
- Fixed load config changes failure after restart ([#43555](https://github.com/milvus-io/milvus/pull/43555)).
- Fixed pk in [..] skip next batch when using multi-chunk segment ([#43619](https://github.com/milvus-io/milvus/pull/43619)).
- Skipped loading non-existent L0 segments to prevent load blocking ([#43576](https://github.com/milvus-io/milvus/pull/43576)).
- Cleaned privilege cache after loading policy in `InitPolicyInfo` ([#43643](https://github.com/milvus-io/milvus/pull/43643)).
- Set status when error is not empty ([#43404](https://github.com/milvus-io/milvus/pull/43404)).
- Returned ID by default ([#43596](https://github.com/milvus-io/milvus/pull/43596)).
- Fixed string views retrieval failure due to chunk bound empty loop ([#43482](https://github.com/milvus-io/milvus/pull/43482)).
- Ignored 2.6 proxy to avoid timetick lag ([#43519](https://github.com/milvus-io/milvus/pull/43519)).
- Ensured task execution order by using a priority queue ([#43272](https://github.com/milvus-io/milvus/pull/43272)).
- Refined judgement for batch views ([#43479](https://github.com/milvus-io/milvus/pull/43479)).