# srs v6.0-r0 — Release v6.0-r0

- Product: srs (https://whatsnew.fyi/product/srs)
- Vendor: ossrs
- Date: 2025-12-03
- Version: v6.0-r0
- Original notes: https://github.com/ossrs/srs/releases/tag/v6.0-r0
- Permalink: https://whatsnew.fyi/product/srs/releases/v6.0-r0

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **added** — Add HEVC/H.265 support for RTMP and HTTP-FLV streaming
- **added** — Add H.265 support in HLS delivery
- **added** — Add H.265 support for MPEG-TS streaming
- **added** — Add H.265 support for SRT protocol
- **added** — Add H.265 stream recording to MP4 format
- **added** — Add H.265 stream recording to FLV fragments
- **added** — Add WHEP (WebRTC-HTTP Egress Protocol) support for playback
- **added** — Add stereo audio support in WebRTC via OPUS SDP option
- **added** — Add IP whitelist security support for HTTP-FLV, HLS, WebRTC, and SRT
- **added** — Add ability to disconnect HLS clients
- **changed** — Support configurable AAC to Opus bitrate for transcoding
- **changed** — Support configurable default_streamid for SRT
- **changed** — Reduce SRT-to-RTC latency to 200ms
- **changed** — Upgrade libsrt to v1.5.3

If you would like to support SRS, please consider contributing to our [OpenCollective](https://opencollective.com/srs-server).

[9f8670b2a832aea04abe644af47261838838c49a](https://github.com/ossrs/srs/commit/9f8670b2a832aea04abe644af47261838838c49a)
Release v6.0-r0, 6.0 release0, v6.0.184, 170962 lines.

Congratulations on releasing [SRS 6.0 release 0](https://github.com/ossrs/srs/releases/tag/v6.0-r0)! 

##### HEVC/H.265 Support (Major Feature)
- **HEVC over RTMP/HTTP-FLV** - Full H.265 support for RTMP and HTTP-FLV streaming
- **HEVC over HLS** - H.265 support in HLS delivery
- **HEVC over HTTP-TS** - H.265 support for MPEG-TS streaming
- **HEVC over SRT** - H.265 support for SRT protocol
- **HEVC DVR to MP4** - Record H.265 streams to MP4 format
- **HEVC DVR to FLV** - Record H.265 streams to FLV fragments

##### WebRTC Enhancements
- **WHEP Support** - WebRTC-HTTP Egress Protocol for playback
- **OPUS Stereo SDP option** - Support for stereo audio in WebRTC
- **Configurable AAC to Opus bitrate** - Customize transcoding bitrate

##### Security & Authentication
- **IP Whitelist** - Security support for HTTP-FLV, HLS, WebRTC, and SRT

##### SRT Improvements
- **Upgraded libsrt to v1.5.3** - Latest SRT library
- **Configurable default_streamid** - Customizable SRT stream IDs
- **Reduced SRT-to-RTC latency** - Down to 200ms

##### HLS Features
- **Kick-off HLS clients** - Ability to disconnect HLS clients

##### Platform
- Now the **stable version** (replacing SRS 5.0)
- Current version: **v6.0.184** with ~170,000+ lines of code
- Codename: **"Hang"**

The biggest highlight is definitely the comprehensive **H.265/HEVC codec support** across all major protocols!

##### Resource
* Source: 25682bd45b4b66e1f46033a2626be076 [srs-server-6.0-r0.tar.gz](https://github.com/ossrs/srs/releases/download/v6.0-r0/srs-server-6.0-r0.tar.gz)
* Binary: aa05a5e80ff7977604dd5e7a337e0517 [SRS-CentOS7-x86_64-6.0-r0.zip](https://github.com/ossrs/srs/releases/download/v6.0-r0/SRS-CentOS7-x86_64-6.0-r0.zip)

##### Resource Mirror: gitee.com
* Source: 25682bd45b4b66e1f46033a2626be076 [srs-server-6.0-r0.tar.gz](https://gitee.com/ossrs/srs/releases/download/v6.0-r0/srs-server-6.0-r0.tar.gz)
* Binary: aa05a5e80ff7977604dd5e7a337e0517 [SRS-CentOS7-x86_64-6.0-r0.zip](https://gitee.com/ossrs/srs/releases/download/v6.0-r0/SRS-CentOS7-x86_64-6.0-r0.zip)

##### Docker
* [docker pull ossrs/srs:6](https://ossrs.io/lts/en-us/docs/v6/doc/getting-started)
* [docker pull ossrs/srs:v6.0-r0](https://ossrs.io/lts/en-us/docs/v6/doc/getting-started)
* [docker pull ossrs/srs:6.0.184](https://ossrs.io/lts/en-us/docs/v6/doc/getting-started)

##### Docker Mirror: aliyun.com
* [docker pull registry.cn-hangzhou.aliyuncs.com/ossrs/srs:6](https://ossrs.net/lts/zh-cn/docs/v6/doc/getting-started)
* [docker pull registry.cn-hangzhou.aliyuncs.com/ossrs/srs:v6.0-r0](https://ossrs.net/lts/zh-cn/docs/v6/doc/getting-started)
* [docker pull registry.cn-hangzhou.aliyuncs.com/ossrs/srs:6.0.184](https://ossrs.net/lts/zh-cn/docs/v6/doc/getting-started)

##### Doc: ossrs.io
* [Getting Started](https://ossrs.io/lts/en-us/docs/v6/doc/getting-started)
* [Wiki home](https://ossrs.io/lts/en-us/docs/v6/doc/introduction)
* [FAQ](https://ossrs.io/lts/en-us/faq), [Features](https://github.com/ossrs/srs/blob/9f8670b2a832aea04abe644af47261838838c49a/trunk/doc/Features.md#features) or [ChangeLogs](https://github.com/ossrs/srs/blob/9f8670b2a832aea04abe644af47261838838c49a/trunk/doc/CHANGELOG.md#changelog)

##### Doc: ossrs.net
* [快速入门](https://ossrs.net/lts/zh-cn/docs/v6/doc/getting-started)
* [中文Wiki首页](https://ossrs.net/lts/zh-cn/docs/v6/doc/introduction)
* [中文FAQ](https://ossrs.net/lts/zh-cn/faq), [功能列表](https://github.com/ossrs/srs/blob/9f8670b2a832aea04abe644af47261838838c49a/trunk/doc/Features.md#features) 或 [修订历史](https://github.com/ossrs/srs/blob/9f8670b2a832aea04abe644af47261838838c49a/trunk/doc/CHANGELOG.md#changelog)