Release Notes

SRTMiniServer 2.6.6

May 2026

Reduced the g-2-g delay by optimizing the decoding start. The improvement is on average 200ms compared to the previous version

SRTMiniServer 2.6.4, 2.6.5

Apr 2026

  • Caller Improvements: presets

  • TalkBackManager Improvements: separated video & auido sources

Detailed overview**:**https://srtminiserver.com/blog/tpost/xscxaob721-srtminiserver-a-review-of-the-april-upda

SRTMiniServer 2.6.3

Mar 2026

  • Multiview improvements

  • Proxy functionality updates

  • Stability improvements

Detailed overview**:**https://srtminiserver.com/blog/tpost/60olti0jd1-overview-of-srtminiserver-version-263

SRTMiniServer 2.6.2

03 Feb 2026

  • SRT Caller Redundancy : Added stream reading via two independent channels for SRT Caller mode. This solution is compatible with any SRT server, ensuring versatility.

See the link for instructions.

  • RIST and Proxy-Mode: Added the capability to receive RIST streams without a dedicated IP address. See the link for instructions.

  • RE-Stream Addon: Introduced SRT protocol re-streaming functionality with support for selecting specific audio channels, while the video stream remains unchanged.

See the link for instructions.

  • UDP Multicast Out: Added a parameter to configure the Inter-Arrival Time (IAT) metric for the outgoing UDP multicast stream.

See the link for instructions (udp_iat_ms)

SRTMiniServer 2.6.1

12 Nov 2025

• New: Introduced modular edition system (Full, NDI/OMT Pack, Routing Pack) for more flexible Permanent Licensing. more info about this see here

• Fixed: An issue with Alpha Channel processing has been resolved.

• Added: New notification alert for unexpected application termination.

Screenshot

special file for try specific pack

SRTMiniServer 2.6

15 Sep 2025

  • Improved: Synchronization algorithm for multi-camera streaming (see )

  • Improved: RIST-addon stability on unreliable networks.

  • Added: Support for the OMT (Open Media Transport) protocol (see )

we have implemented support for the promising OMT protocol — an open-source alternative to NDI, developed with support from the creators of vMix.

  • Added(SDIOutAddon): 4K to 4x FullHD quad split functionality. (see )

  • Added(SDIOutAddon): HLS stream generation. (see )

  • Added(LinkGenerator): added a convenient tool for generating streaming URLs for live broadcasts through OBS (see )

  • Added(Advanced Settings): New parameters: tbmauto, record_format, omt, sync_auto_control, hide_ip (see )

  • Fixed: A memory leak issue, improving overall application stability.

Screenshot

sync test during 20hrs

Screenshot

example: generate link for OBS streaming

SRTMiniServer 2.5.6

20 Jun 2025

  • SDIOutAddon : fixed an issue related to content playback via SDIOutAddon.

Previously experienced sporadic automatic conversions from progressive to interlaced format, leading to reduced picture quality. This has now been resolved

  • SDIOutAddon now supports Mute on-fly

Screenshot

For example, you can mute the audio in these situations:

  • During Live streaming to YouTube if copyrighted music unexpectedly plays

  • For extended pauses or breaks in your broadcast

DOWNLOAD »>

SRTMiniServer 2.5.5

07 May 2025

  • SDIOutAddon now supports NDI sources, enabling NDI-to-SDI and NDI-to-RTMP workflows (see here )

  • NEW RE-Stream Addon
: seamlessly forward SRT streams (e.g., to RTMP) without video re-encoding:

  • Preserve quality with direct passthrough (no video transcoding)

  • Split audio channels across platforms (e.g., 2 ch to YouTube, 2 ch to social media)

  • Supports multiple output formats and destinations

more info about RE-Stream Addon see here

DOWNLOAD »>

SRTMiniServer 2.5.4

02 Apr 2025

  • Interlace mode support for HEVC (h265). Thanks to our clients from TV who insisted on it :-)

  • MultiView(Preview):

  • add VU-meters

  • Layout configuration

  • you can send MultiView to SDI / NDI

  • LinkGenerator: HTTP-wrapper for LarixBroadcaster and StreamToStudio links. It creates click-able links for send by email or messengers

  • TalkBackManager: add VU-meters

  • Fix RTT display

  • Fix memory leaks in RTMP server

  • Improved stability, perfomance optimization.

Videos for this release:

  • MultiViewdemo

  • LarixBroadcaster and TalkBackManager setup

DOWNLOAD »>

Screenshot

MultiView out to SDI (also you can send it to NDI, UDP, RTMP)

SRTMiniServer 2.5.1

03 Mar 2025

  • LinkGenerator: support for Haivision Play PRO (play and stream), VLC , OBS

  • special Tool for VDO.Ninja links (see top menu -> Tools-> VDO.Ninja Link Help)

  • TalkBackManager improvements

  • CrossLine: the limit of 5 connections for viewers has been removed.

  • RIST protocol support (experimental feature). You can test it with SRT Streamer Lite 1.1

  • bugs appeared in version 2.5 have been fixed

DOWNLOAD »>

SRTMiniServer 2.5

30 Jan 2025

  • built-in RTMP Server with RTMP proxying support in case you don’t have a dedicated IP address (»> )

  • support for WebRTC decoding via WHEP links. For example, you can receive streams from Dolby.io (Millicast service) and VDO.Ninja (»> )

  • external API to enable scheduled recording. (»> )

  • Preview: mode of operation as Switcher. Now you can quickly switch which line to feed to SDI/NDI/RTMP output. Video: https://www.youtube.com/watch?v=LSxKy1-5U1g

  • Preview: display the number of audio channels

  • Remote Control: new GUI (»> )

  • Mode of continuous recording of incoming SRT mpegts-stream. (»> )

  • SDI OutAddon: UDP Multicast with transcoding

  • SDI OutAddon: Delay as a means of smoothing out interruptions. Video: https://www.youtube.com/watch?v=HteBsEUX__Q

  • TimeCode Sync: reworked synchronization algorithm. Now it is necessary to set the offset from real time by which the streams will be aligned (»> )

  • Special addon for SMPTE 2022-7 (available on request)

  • new parameters in Advanced Settings: no_ndi, ltc_cut, rtmp_port, ts_dump (»> )

DOWNLOAD »>

SRTMiniServer 2.4.9 build 163

10 Oct 2024

  • Caller dialog: You can now choose which network interface to use when connecting to the SRT signal source in Caller-mode. This feature opens new opportunities for increasing reliability. By utilizing multiple ISPs and receiving SRT streams through different network interfaces, you can ensure uninterrupted content acquisition even in the event of failures on one of the communication channels (see here )

  • SDIOutAddon: in RTMP output you can now specify bitrate for a specific line (instead of general settings).

For example, you can stream on YouTube with one bitrate and on Twitch with another (see here )

DOWNLOAD »>

SRTMiniServer 2.4.8 build 161

21 Aug 2024

  • SDIOutAddon: new type of output called “NDI Renderer”.

this output allows you to generate a modified NDI, for example with a different fps or frame size.

  • SDIOutAddon: you can set a delay before sending the signal.

for example, you can preview on one SDI-line without delay and send to another SDI-line with a delay in production

DOWNLOAD »>

Screenshot

SRTMiniServer 2.4.7 build 159

25 Jun 2024

  • TalkBackManager is now included as part of the server and can be launched from the main right menu

  • Proxy Mode: now proxy addresses are displayed as IPs with a description

  • Call: now you can use DNS of server (in previous versions only IP input was allowed)

  • Call: now you can specify the file to play. So you can send any file to SDI for example

  • SDIOutAddon: added the ability to auto-start SDIOutAddon (see here )

  • SDIOutAddon: fixes audio issues when streaming to RTMP and writing to file

  • SDIOutAddon: added the ability to dynamically NDI overlay. For example, you can overlay titles from caption programs (see here )

  • Minor bug fixing

DOWNLOAD »>

Screenshot
Screenshot

SDI Out Addon: Dynamic Overlay in action

SRTMiniServer 2.4.6 build 151

20 May 2024

  • Added ability to receive HLS / RTSP / RTMP(pull) streams (see here )

  • Significant increase in stability

  • Minor bug fixing and memory leak repair

DOWNLOAD »>

https://youtu.be/vw5IJwOu23I?si=Gc7QCv1fHFkR5APa

SRTMiniServer 2.4.5 build 144

01 Apr 2024

  • Remote Production feature: PTZ & Tally (works together with SRT Streamer PRO ) (see here )

  • Multi-ports: you can now specify multiple ports to use (details )

  • Added “Always on” for Call-dialog: so SRTMiniServer will try connect/re-connect to destination.

  • JVC-specific: simplification for return feed (details )

  • BlackMagic Web Presenter HD/4K compatible (details )

  • fixed bug saving settings when exiting the application

DOWNLOAD »>

SRTMiniServer 2.4.3

26 Feb 2024

  • Tally info display

  • UDP Multicast: ability to specify a network interface

  • SDI Out Addon: automatic switching to backup line

  • “No Decode” mode

  • Recording: turn on/off on-fly

  • fix for AJA Helo Plus

read more : https://srtminiserver.com/blog

SRTMiniServer 2.4.1

15 Jan 2024

  • Perfomance optimization for 4K@60fps

  • Changed buffer auto-reset behavior. Now it doesn’t reset to zero, but only to stay within the given limits.

  • Fixed a bug in the SDI Out Addon: in some cases the sound was not smooth.

  • Fixed a bug in Preview: in some cases the sound was not smooth.

  • Now “decoded fps” in statistics is highlighted in red if the deviation from the norm is too large.

  • improvements for bonding (you need SRTBondingAgent 4.0)

SRTMiniServer 2.4

28 Nov 2023

  • UDP Multicast Output: you can send incoming video to UDP Multicast as MPEG-TS

  • New interface for Call-mode

  • SDI Out Addon: audio channels select for SDI. For example you can send to SDI out only one-language from multi-language feed

  • SDI Out Addon: add 4K@29.97p and improved stability

  • Fix for buffer behaviour when SEI timecode selected

  • Bonding: support return feed (need SRT Bonding Agent 4)

Screenshot

SRTMiniServer 2.3

01 Sep 2023

  • Loss-less mode

  • SDI Out Addon: audio channels select for RTMP restreaming

  • support 120 fps (for handle streams from hight-speed camera such as AIDA)

  • Show info about incoming audio tracks and channels

  • Bonding improvements (need SRT Bonding Agent 3)

  • Improved stability

SRTMiniServer 2.2

16 Mar 2023

  • SDI Out Addon: add transcoding feature

  • SDI Out Addon: add RTMP restreaming

  • Caller mode

  • fix multi-track audio bug for streams from vMix

  • delay control for TimeCode synchronisation (see Settings)

  • Improved stability

SRTMiniServer 2.1.1

05 Jan 2023

  • new Preview

  • support for new addon: TalkBackManager (will be publsihed soon)

  • support for play by VLC (see here )

  • bonding improvements

  • mode “run without NDI ” (if you need only SDI output or CrossLine function)

  • SDI Out Addon: fix for multi-track audio

  • Fix issue for license activation

  • Improved stability

SRTMiniServer 2.0

1 September 2022

This big update includes:

  • update SRT library to last version 1.5

  • support for LTC timecode

  • bonding improvements

  • show info about effective SRT-latency

  • protection against accidental shutdown of the server

  • Improved stability

  • SDI Out Addon: critical fix for 29.97p/59.94i fps

  • SDI Out Addon: fix crash issue

  • SDI Out Addon: add auto-start from command line

  • SDI Out Addon: settings for setup “No signal” mode

SRTMiniServer 1.9.1

21 June 2022

This update includes:

  • Critical bonding improvements. Please note: you need SRTBondingAgent 1.0 for this.

SRTMiniServer 1.9

11 May 2022

This update includes:

  • support bonding: we introduce new app called SRTBondingAgent for split feed to many links. SRTMiniServer can merge this links.

  • totally new TimeCode Sync addon (see here ). Now you can use result of synchronization with SDI out addon also.

  • support of multi-tracks audio

  • show info about incoming IP and uptime

  • update SRT library to version 1.4.4

  • small improvements and optimization

Screenshot

New TimeCode sync

Screenshot

bonding workflow

SRTMiniServer 1.8.4

10 Feb 2022

This update includes:

  • we added Crash Report : if crash will happens then you can send report about it to us with detail info

  • SDI Out Addon : fix issue for SDI out audio

  • SDI Out Addon : add output to additional display (HDMI, DVI, virtual). So not only SDI (demo video )

  • small improvements and optimization

dowload page

SRTMiniServer 1.8.3

25 Oct 2021

This update includes:

  • ProxyAddon migrate to main window

  • Logs for statistics

  • Fix read timecode from h264 feed

dowload page

SRTMiniServer 1.8

12 Aug 2021

This big update covers the following topics:

Conference Addon

  • add desktop and screen area capture

  • optimization for TV Guest

  • save parameters

  • small fixes and improvements

TimeCodeSync (sync between few encoders)

  • support timecode for HEVC. We tested it with JVC cams and Magewell Ultra Encoder.

  • memory leak fix and small improvements

SDIOutAddon

  • add logo overlay

  • support only audio output. You can use it for example with Dante Virtual Device

  • fixes for stability

ProxyAddon

  • autostart option (applied for custom proxy only)

LinkGenerator

  • UI improvements

  • add FPS for StreamToStudio and LarixBroadcaster

  • add support for SyncBroadcaster (it’s new Android app, comming soon)

Alpha-channel support

Now you can send content with alpha-channel. You need use SRTStreamer 0.9 for this.More details see here .

Screenshot

Add Virtual Cam mode

Now SRTMiniServer provides outputs as virtual devices. So you can use outputs without NDI.

NOTES: it’s experimental feature yet

Screenshot

Other

  • small fixes and improvements