Flussonic Media Server v.25.04

🔎 Why Upgrade to 25.04?

✔ Smoother DVR operations with intelligent cleanup scheduling.

✔ Lower CPU & disk usage with Retroview and optimized DVR.

✔ Advanced camera analytics via Iris API for security systems.

✔ SDI changeover reliability with audio frame loss compensation.

✔ Better MPEG-TS & teletext handling for broadcast workflows.

Let’s look into detail about all the changes!

📊 Top New Features in Flussonic 25.04

Enhanced Monitoring & Analytics

• Retroview Integration — Historical graphs have been moved from Pulse to Retroview, reducing CPU usage for metrics visualization (#19777).
• Teledis Dashboard Upgrades — Track MPEG-TS errors (TEI & checksum), filter metrics by server, and correlate data with software versions (#47469, #48254, #48255).
• New Server Stats Dashboard — Monitor traffic, scheduler load, and server health in real-time for faster diagnostics (#48782, #49212, #49166).

Streaming & Ingest Improvements

• WHIP/WHEP Enhancements — Improved support for cross-domain playback (#49108).
• Camera API for Episodes — Retrieve recordings and analytics from Iris cameras via API for centralized processing. Enables:
• Security & Surveillance: Access motion-triggered clips and metadata for central monitoring.
• Analytics: Send object detection and timestamp data to third-party platforms (#46095).
• SDI Audio Resilience — During SDI changeovers, the system compensates for audio frame loss by inserting silence and tracking gaps. Critical for uninterrupted audio delivery during hardware failovers (#48209).

Performance & Stability Upgrades

• DVR Cleaning Optimization — The new cleaner intelligently distributes cleanup tasks across the entire retention window. Benefits include:
• Elimination of disk usage spikes during maintenance
• Reduced I/O contention with ongoing recordings
• Smoother archive rotation for high-load systems (#22155)
• MPEG-TS Muxer Refactor — Enhanced efficiency in configuration management (#41909).
• KLV & Teletext Improvements — Better metadata and subtitle processing for MPEG-TS and DVB teletext streams (#47177, #46598).

🛠 System Optimizations & Fixes

Streaming Stability & Performance

• Shoutcast sources now push to UDP without interruptions (#34340).
• Improved display layout of input/output bitrate in the UI (#45676).
• Archive write discontinuities are now reflected in DVR statistics (#45930).
• Stream bitrate display now updates correctly after transcoding (#48161).
• Stream inputs now validate non-ASCII characters in URLs (#48836).
• MPEG-TS multiplexer no longer resets on teletext DTS backward jumps (#46851).
• Transcoder now handles CBR MPEG-TS files (#47230).
• WebRTC playback now gracefully handles resolution changes (#48792).
• Fixed regression causing stream bitrate to grow uncontrollably (#49575).

Monitoring, Telemetry & Dashboards

• Device address is now saved in OpenTelemetry for camera control API calls (#46189).
• Scheduler load metrics are fully visible on the Server Stats dashboard (#49166).
• Improved metrics delivery reliability and added alerts for metric drops (#48979).
• Resolved telemetry transmission issues (#49513, #49487).
• Improved Prometheus API stability when handling “no data” cases (#49518).
• Stream graph links now correctly reference the selected server in dashboards (#49519).
• Certain non-critical input errors have been downgraded to warnings, with clearer separation of error types and new warning graphs in Teledis (#49406).
• Permissions issues on input monitoring and server stats dashboards have been fixed (#49410).
• Dashboards now reliably show stream input details (#48219).
• Stream restart counters are now tracked more accurately (#48625).
• Improved statistics collection and telemetry system (#48623).
• Improved display of OCR-generated subtitles on Astra Linux 1.7 (#49141).

DVR & Archive Enhancements

• Fixed DVR clearing for On Motion archives (#49230).
• Archive relayout is now consistent even under load on multiple nodes (#49260).
• DVR now includes mappings between range start time and real time in iris-dvr (#49581).

Ingest & Transcoding Fixes

• Improved transcoder startup stability (#48787).
• Fixed a crash that occurred when adding a new input with higher priority than the current one (#49310).
• MPTS reader options now apply without restarting the input (#49391).
• MPEG-TS reader now handles empty chunked responses correctly (#49392).
• Stream relayout by labels works correctly when under pressure (#49260).
• Validation for size parameter in transcoder configs has been improved (#49464).

API & Central Enhancements

• Changed streamer healthcheck status structure for better readability (#48716).
• Improved execution time for streams_list API (#49164).
• Deprecated the failover_from field to avoid misrouting streams (#49454).
• Fixed VisionPoint model saving (#49480).
• Increased speed of config_external generation — changes now apply faster (#49688).
• Central no longer creates vsaas auth_backend by default (#49857).
• Disk Usage Prediction — The Central API now includes an estimated_disk_usage field to:
• Forecast storage availability
• Monitor write rates
• Enable proactive resource planning (#48298)
• Improved Central Labeling — Central schema now references Layouter labels in streamer and stream objects (#49567).

General Improvements

• Agents now connect up to 10x faster — activation time reduced from 10 seconds to 1 second (#40801).
• Added testing support for Astra Linux 1.7 (#48043).
• Motion detector no longer starts on streams with no input and avoids duplicate event collectors (#46753).
• Enhanced Chrome static screencast publishing (#48747).
• Added support for Episodes generated by Smartcam or Iris (#49772).
• Logging improvements to enhance response times for issue diagnosis (#49665).
• Dashboards now show incident data more reliably (#49490).

Watcher v.25.04

🔎 Why Upgrade to Watcher 25.04?

✔ Smarter Analytics — Detect car movement direction and enhanced license plate recognition ✔ Better Mobile Experience — New map screen (iOS) and optimized event cards for mobile ✔ Improved Security — Pincode protection and refined user permission controls ✔ Faster Performance — Optimized APIs and reduced app loading times ✔ Enhanced Monitoring — New telemetry and stability improvements for large-scale deployments

📊 Top New Features

AI & Analytics Enhancements

• Car Direction Detection: Detect vehicle movement direction for traffic monitoring, parking enforcement, and incident forensics. (#8347)
• Smartcam/Iris:
• Motion detector now supports http+iris protocol for seamless episode retrieval
• Recognize smaller license plates previously ignored. (#49773)
• Detection Zone Customization - Set titles and detection types per zone for clearer monitoring (#48488)

User Experience & Mobile

• iOS Map Screen - Visualize camera locations and events geographically (#45664)
• Redesigned Event Cards - Compact, expandable event views for desktop/mobile (#48493)
• Pincode Protection - Secure app access with customizable pincodes (#49363)

Administration & API

• vsaas.io Login - Streamlined authentication for cloud deployments (#45410)
• Camera Sorting - Sort cameras by title in lists and APIs (#45648, #47055)
• Episode Previews - Updated caching system for faster thumbnail loading (#48958)

🛠 System Optimizations & Fixes

Performance & Stability

• Faster app updates with optimized build pipeline (#42870)
• Improved API response times for /organizations and folder_list (#48090, #49082)
• Anonymous usage data collection for proactive issue detection (#45023, #48954)
• Added last_change and last_episode_at to stream API (#49419)
• Agents connection speed improved 10x (#49730, #40801)
• New node_layout_decisions endpoint for stream relocation insights (#48879)

Monitoring & Playback

• Fixed archive playback issues when clicking events (#48369)
• Expanded video source support in player (#45801)
• Resolved DVR expiration configuration in API (#49152)

API & Backend Improvements

• Added last_change and last_episode_at to stream API (#49419)
• Agents connection speed improved 10x (#49730, #40801)
• New node_layout_decisions endpoint for stream relocation insights (#48879)

UI Improvements

• New user management interface (#47916)
• Dedicated persons page (#49421)

• #21498 (new) Added access to the DVR archive using LL-HLS event playlists (/rewind-3600.ll.m3u8, /archive-xxxxxxxxxx-now.ll.m3u8)
• #27673 (new) Added a working DVR remote option that allows reading remote archives via m4f without adding an extra input.
• #30105 (new) Now you can view your colleagues’ statistics in Retroview.
• #42488 (new) Added statistics for lost PIDs of incoming MPEG-TS streams to Teledis analyzer.
• #44380 (new) Improved NDI statistics.
• #45950 (new) OpenTelemetry can now be configured via a configuration file.
• #47321 (new) Writing files to the DVR cache is now serialized in a single process.
• #47465 (new) Added DVR read performance statistics to Teledis analyzer.
• #47546 (new) Now you can see statistics on your colleagues’ accounts in the stream analyzer service.
• #47766 (new) Implemented token refresh when an update is required.
• #47767 (new) Enabled viewing statistics for all accounts added to colleagues.
• #47813 (new) Added segment popularity statistics for DVR, which can be used to calculate DVR storage size.
• #47872 (new) Added a stage environment for better stability.
• #48155 (new) Added a dashboard with input bitrate by stream name.
• #48306 (new) Added error-free streams to the “Top N Streams with Input Errors” dashboard when no error streams are present.
• #48353 (new) Added functionality to create alerts in Teledis.
• #48641 (new) Separated stream input error details graph by channel_id and pid.
• #39797 (fixed) Added extended SRT statistics to telemetry.
• #43220 (improved) SRT push is now always CBR.
• #43269 (improved) Removed the srt_port_resolve field from the session_generic scheme.
• #43528 (fixed) The file processor now correctly determines video resolution.
• #45651 (fixed) Restart MPTS reader on input timeout.
• #45696 (fixed) Muxer now bursts only when necessary.
• #46400 (fixed) Fixed incorrect source statuses in the Web UI.
• #46457 (fixed) PAT after the multiplexer is now stable according to the configuration.
• #46470 (fixed) If a camera is overloaded and responds to ONVIF requests with a 503 error, the streamer will now repeat failed ONVIF requests after a delay.
• #46647 (fixed) Added a workaround for outdated HLS players like TVIP or MAG by sending MPEG-TS playlists to them based on the User-Agent header.
• #47197 (fixed) Improved ONVIF motion detector to handle bad ONVIF responses correctly, preventing scheduler overload.
• #47363 (fixed) Fixed issues with working with remote archives of on-demand streams.
• #47452 (improved) The dvr.stats field with storage statistics is now visible without a configured RAID 0.
• #47456 (improved) Migrated to new database servers.
• #47680 (fixed) Restored transcoding channels indication in ChassisUI.
• #47700 (improved) All protocols now have telemetry statistics.
• #47729 (fixed) Live streams will no longer attempt to return to the primary source with audio_timeout unless audio frames appear.
• #47764 (fixed) api-sessions are now separated from other types of sessions and will not be visible in the sessions list or in telemetry.
• #47801 (improved) Added backward compatibility for the transcoder to run on obsolete operating systems.
• #47877 (fixed) Fixed script errors during re-authentication for organizations without dashboards.
• #47884 (fixed) Fixed transcoder regression in Docker containers.
• #47924 (fixed) Live streams now correctly check alive sources after errors.
• #47927 (fixed) Fixed DVR crashes on invalid segments without duration.
• #47938 (fixed) Fixed broken audio transcoding for mp2a/mp3 sources.
• #48032 (fixed) Fixed the source selection mechanism when the active source is lost.
• #48055 (fixed) Fixed transcoder crashes on specific AD splices.
• #48076 (improved) Increased session timeout duration in Grafana without requiring a page refresh.
• #48103 (fixed) Fixed regression in thumbnail generation caused by the async decoder.
• #48136 (improved) Improved test coverage for better stability.
• #48141 (fixed) Deprecated auth request parameters for publishing.
• #48232 (improved) Increased bitrates in the encoding target presets to make them more realistic: SD - 3 Mbit/s, HD - 6 Mbit/s, and FHD - 12 Mbit/s.
• #48304 (fixed) Fixed memory leaks in the NVENC2 transcoder.
• #48436 (fixed) Changed the query for the input_availability graph from counter to gauge.
• #48451 (fixed) Improved response speed to errors encountered while working with Grafana.
• #48526 (fixed) The session referer property is no longer validated.
• #48550 (fixed) Fragment units with both start and end bits set in one unit will no longer be dropped.
• #48577 (fixed) Improved transcoder parameters view from external config in the Web UI.
• #48621 (improved) Optimized performance for internal statistics storage.
• #48816 (fixed) Improved dashboard load speed and fixed data display issues on some dashboards.
• #48872 (improved) Improved reaction time to dashboard display issues.
• #49007 (fixed) Fixed issues with the speed of telemetry data transmission.
• #49015 (fixed) Enhanced the sessions method for handling large data requests.

• #19912 (new) Now you can register via phone number, activate, configure, and use cameras on vsaas.io.
• #41857 (new) Added a profile screen.
• #42889 (new) Added episode indication for vehicle position (front/rear).
• #45410 (new) Added login functionality to vsaas.io.
• #46614 (new) It is now possible to create a mosaic from the Mosaics section in the main menu.
• #46833 (new) Now you can navigate to the camera agent from the admin camera list.
• #48071 (new) Added an “About” screen with information about the app and service in the iOS app.
• #48101 (new) Added a settings screen in the iOS app.
• #48132 (new) Now you can check the reason for a streamer’s unavailability and view information about all unavailable streamers.
• #48260 (new) Now filtering by preset is available in the camera list.
• #48270 (new) Added an events screen with filters in the iOS app.
• #48489 (new) It is now possible to configure the detection zone even if a non-configurable preset is selected in the camera settings.
• #48581 (new) Added logging for dvr_export actions with user details and a filter to track them.
• #48631 (new) Added alerts with information about processes.
• #48702 (new) Added a mosaic screen.
• #48719 (new) Now you can view the history of layout changes in the admin camera list.
• #14475 (fixed) Fixed license plate recognition on cameras with FULL HD or higher resolution.
• #44144 (improved) Increased the accuracy of license plate detection.
• #44439 (fixed) Added strict validation of the stream URL according to RFC 3986 in the API.
• #44488 (fixed) Prevented adding cameras if the organization limit is reached.
• #44511 (fixed) Fixed player zoom to any location in the Android app.
• #44897 (fixed) Fixed long reconnect intervals causing some license plates not to be registered by video analytics.
• #45065 (fixed) Fixed the issue with mosaics not being available in the Android app.
• #45549 (fixed) Fixed the camera list not being available in the Android mobile app on Xiaomi Redmi Note 12.
• #46262 (improved) Added a new streamer node to the cluster.
• #46615 (improved) Added the ability to manage routes for mosaics.
• #46737 (fixed) Added client and admin routes for user management.
• #46822 (fixed) The network system has been updated, making the application more stable and improving performance.
• #46886 (fixed) Fixed the issue of opening the camera screen before the player loaded.
• #47181 (improved) Upgraded verification for the Flussonic Watcher application in the Play Console.
• #47185 (improved) Improved Flussonic Agent compatibility with Kubernetes.
• #47215 (improved) Optimized retrieval of the organizations list in API v3 Client.
• #47263 (fixed) Fixed uncontrolled PTZ control.
• #47571 (improved) Migrated the organization settings page to the new UI.
• #47634 (fixed) The streamer selection is now visible on the camera settings page.
• #47669 (improved) Fixed the issue where new UI updates were not available for users.
• #47759 (fixed) Fixed the display of detection zones in the camera settings after saving changes.
• #47771 (improved) Added filtering to events for streams with speech recognition enabled in the API.
• #47790 (fixed) Added horizontal orientation view in the My Cameras module in the iOS app.
• #47913 (improved) Implemented a page for selecting the organization owner in the new interface.
• #47915 (improved) The organization users settings page is now available in the new interface.
• #47917 (improved) The Users - Settings page is now available in the new interface.
• #47918 (improved) The Users - Organization Permissions page is now available in the new interface.
• #47919 (improved) The Users - Access to Cameras page has been replaced with a new UI.
• #47937 (improved) Added auto-selecting substream names for camera quality settings.
• #47946 (fixed) Added a description for each episode in the episode list.
• #47987 (improved) Fixed the schema in Watcher, now correctly displaying the current stream state.
• #47992 (improved) Added the ability to create API keys in Client API v3 and Admin API v3. Fixed an issue with changing readonly for a user. Also added additional fields in users for configuration.
• #48002 (fixed) Restored the ability to view and edit the “via” parameter in the “Stream URL” field.
• #48016 (fixed) Fixed the issue with support not being available after authentication in the Android app.
• #48017 (improved) The stream will resume in a few seconds after changing the audio recording.
• #48025 (improved) Added the is_default field to the Presets List in Client API v3.
• #48028 (fixed) Fixed changing the “via” parameter in input streams in API v3.
• #48047 (fixed) The camera marker is now displayed correctly on Yandex Maps.
• #48048 (improved) Added preset configuration for organizations in API v3 Client.
• #48077 (improved) Added a new firmware to automatically update the home camera when adding.
• #48084 (fixed) Fixed issues with the “capture only video” setting in camera settings.
• #48085 (fixed) Now the camera can be added successfully regardless of the audio value format.
• #48086 (fixed) Now default values are displayed in the fields when creating a camera.
• #48087 (improved) Added name and organization_id filters to the organization_users_list request in Client API v3.
• #48117 (improved) Added permission-based filters to the organizations list in Client API v3.
• #48118 (fixed) Fixed the stream_get method for streams without an organization.
• #48134 (improved) Fixed the display of presets for a specific organization.
• #48135 (fixed) Now the camera preview is displayed immediately on the settings page without any delay.
• #48143 (fixed) Fixed the issue with changing a stream’s preset when the preset is not adjustable.
• #48150 (fixed) Fixed a navigation bug.
• #48151 (improved) Fixed a player bug.
• #48152 (fixed) Fixed random preview display for episodes.
• #48165 (fixed) Fixed pagination for API v3 /users.
• #48173 (fixed) Fixed organization selection on the camera editing page when the total number of organizations exceeds 100.
• #48188 (fixed) Restored the ability to create a camera without specifying a substream.
• #48207 (fixed) Fixed email validation error for users_list.
• #48229 (fixed) Fixed the bug with folder jumping when changing the organization for the stream.
• #48231 (fixed) Fixed the issue where it was not possible to navigate to editing a disabled user.
• #48236 (improved) Push notifications are now sent faster.
• #48243 (fixed) Fixed unstoppable camera firmware auto-update.
• #48257 (improved) The page with the organization’s mosaic list is now available in the new interface.
• #48276 (improved) Added a delete route for mosaics.
• #48278 (improved) Added user_organization_folders_list in API v3 Client.
• #48280 (improved) The Persons page has been replaced with a new UI.
• #48283 (improved) Fixed update routes for admin and client user_save.
• #48323 (fixed) Fixed pagination for mosaics.
• #48328 (improved) Added missing delete_person and person_lists and fixed person_list in API v3.
• #48382 (improved) Added a separate method with a list of the user’s organizations and the ability to filter by can_edit for the API.
• #48386 (fixed) Made requests to change the camera independent of each other.
• #48389 (improved) Added a modal window for selecting and adding users from other organizations.
• #48391 (improved) Added push notifications in the iOS app.
• #48401 (improved) Added a favorite cameras section.
• #48425 (fixed) Fixed support not opening.
• #48429 (improved) Organizations are now displayed compactly in the user list.
• #48448 (improved) Fixed permission retrieval and correct title assignment in folders in API v3.
• #48494 (improved) Added a filter by user_permissions.can_edit_streams for organizations_list.
• #48515 (fixed) Now you can use the user search field when selecting an organization owner.
• #48516 (fixed) Fixed the issue where the user could not select an owner if one was not initially assigned.
• #48519 (fixed) The maximum number of sessions field now accepts null (unlimited), and the locals field has been added to the output for the API.
• #48523 (fixed) The application has become less resource-demanding.
• #48528 (fixed) Made text fields with horizontal scroll.
• #48534 (fixed) Fixed the return of vision configuration in stream_get for the API.
• #48544 (fixed) Removed the apikey field from the V2 users_list response.
• #48548 (improved) Added more detailed error logs.
• #48557 (improved) Added a feature to update the camera’s preview automatically.
• #48569 (fixed) Fixed an issue where the camera_config function returned 500 errors when the iris camera response was incorrect in the API.
• #48592 (fixed) Added permissions for all folders in the organization where the user has access in the API.
• #48613 (improved) Added the can_add_mosaic field for the ui_settings route. It indicates whether the user has permission to add mosaics.
• #48648 (improved) Added additional fields to the stream layout in the API.
• #48657 (fixed) Fixed the loss of the via agent parameter in the URL of the stream in the API.
• #48680 (improved) Now you can edit the mosaic in the new interface.
• #48690 (fixed) Fixed the can_edit_streams filter in the list of organizations in the API.
• #48718 (improved) Added support for filtering by multiple folder_id values in streams_list API v3.
• #48733 (fixed) Fixed the stream list search field bug.
• #48734 (fixed) Fixed failover triggering after restarting or updating Watcher.
• #48769 (improved) Fixed glitchy previews for detected faces.
• #48770 (improved) Added detectors to stream vision and removed areas from the preset in API v3.
• #48785 (fixed) Now displaying a maximum of 50 persons per page in the persons list.
• #48786 (improved) Added sorting by id in the persons list API v3 Client.
• #48833 (fixed) Fixed the synchronization of the preset configuration while saving the stream in the API.
• #48867 (fixed) Added the ability to delete a stream from a subfolder in API v3.
• #48897 (fixed) Fixed preview retrieval by token.
• #48941 (fixed) In the modal window for selecting cameras for the mosaic, we now show which cameras are already selected and prevent adding the same camera again.
• #48951 (fixed) Fixed action button naming.
• #48995 (improved) Added logs for incorrect credentials when logging in.
• #48998 (fixed) Fixed the issue where mobile pushes were not being sent to clients.