---
title: "Forensic Watermarking Release Notes"
description: "Release notes for DoveRunner Forensic Watermarking products"
---
> For the complete documentation index, see [llms.txt](/llms.txt).
### Session Manager API
|Date |Version |Descriptions |
|:---|:---|:---|
| 2026.03.18 | 2.9.0 |- Session token issuance history now includes revoke call information — operators can confirm whether a block request successfully reached the revoke Lambda, without additional log queries
- Token issuance API response now includes sync_skip_bit field for AWS MediaConnect + MediaLive live streaming integrations, enabling clients to correct 7-bit watermark sync shifts |
| 2025.08.20 | 2.7.0 |- Added real-time blocking/revocation for live stream sessions when forensic watermark is detected. |
| 2025.05.07 | 2.4.1 |- Added infrastructure support in AWS Frankfurt region for European customers |
| 2024.03.19 | 2.2.0 |- Separated Pallycon-api data and JWT for performance
- Added index for watermark ID
- Fixed duplication of watermark ID |
| 2023.12.05 | 2.1.0 |- Improved internal stability of the API. |
| 2023.08.09 | 2.0.0 |- Redesigned the internal of session Manager API for better performance
- `streaming_format` field error handling improved|
| 2023.05.31 | 1.9.0 |- Added support for CMAF streaming format. |
| 2023.04.19 | 1.8.0 |- Improved the performance of session manager API. |
| 2023.02.28 | 1.7.0 |- Added support for JWT type request format
- Fixed a bug about session data search |
| 2022.11.15 | 1.6.0 |- The `prefix_folder` option has been added to support the new `Transcoding & Packaging` service. |
| 2022.01.11 | 1.5.0 |- Added the ability to generate watermark tokens according to different segment start numbers (0 or 1) for different encoder/packager solutions.
- Added JIT type DWM embedding support function for DWM integration with file transfer solutions.|
| 2021.09.14 | 1.3.0 |- The session URL API for CloudFront and the API for Akamai, which were previously provided separately, have been merged into one.
- Watermark Token API that can receive only watermark token data included in the session URL has been added.|
| 2020.12.01 | 1.2.0 |- Fixed the API response delay issue|
| 2020.09.15 | 1.1.1 |- Added API call limit for trial account (max 1,000 calls)
- Added limit for watermark string length (max 254 bytes) |
| 2020.05.13 | 1.1.0 |- Added SessionUrl API for Akamai CDN |
| 2019.12.26 | 1.0.0 |- Initial release of Session API |
### Watermark Detection API
|Date |Version |Descriptions |
|:---|:---|:---|
| 2025.10.24 | 2.23.0 |- Improved watermark detection performance for live streams |
| 2025.08.20 | 2.21.0 |- Added the ability to request forensic watermark detection for live streams.
- Added real-time blocking/revocation for live stream sessions when forensic watermark is detected. |
| 2023.05.31 | 1.4.0 |- Added support for uploading FWM detection files |
| 2022.11.15 | 1.0.0 |- Detection API has been released for requesting watermark detection and reviewing the result. |
### CloudFront Embedder
| Date | Version | Descriptions |
|:-----------|:--------|:-------------------------------------|
| 2026.03.18 | 2.10.0 |- Added FWM Embedder samples for Akamai and Cloudflare CDN, in addition to the existing CloudFront CDN Embedder
- Updated to support the improved FWM token generation process for enhanced compatibility with the latest Session-API and TNP-API
- Session revoke information is now included when viewing watermark session history, enabling faster piracy response workflows |
| 2025.08.20 | 2.9.0 |- Added real-time blocking/revocation for live stream sessions when forensic watermark is detected. |
| 2023.05.31 | 2.8.0 | - Updated to support cmaf. |
| 2023.04.06 | 2.7.0 | - Updated to operate according to the requested streaming format in a watermark token. |
| 2023.03.10 | 2.6.0 | - Supports Akamai type JWT format. |
| 2023.02.06 | 2.5.2 | - Fixed dash start number error in `directory_prefix` method. |
| 2022.11.25 | 2.5.1 | - As the default value of the `prefixFolder` option, both the old version packaging service and the new T&P service are supported. |
| 2022.01.11 | 2.5.0 | - Added support for preprocessed content through Hybrik encoder and watermark plugin. |
| 2021.11.25 | 2.4.0 | - For consistency with other modules, the name of the existing config_type option has been changed to composing_type. (supports 'directory_prefix' and 'unlabeled_a_variant' options) |
| 2021.09.07 | 2.3.0 | - Added support for contents with `Unlabeled A variant` type packaging. |
| 2021.05.04 | 2.2.2 | - Fixed a bug about availableInterval setting |
| 2020.11.18 | 2.2.1 | - Fixed a bug about package.json |
| 2020.11.10 | 2.2.0 | - Added support for AWS MediaConvert
- Moved siteKey, integration type configuration to config.json |
| 2020.09.16 | 2.1.0 | - Added support for generate_tracktype_manifests option. |
| 2020.03.26 | 2.0.1 | - Changed the number of TS files per GOP. |
| 2019.08.22 | 2.0.0 | - Updated for Shaka Packager integration. |
| 2018.01.27 | 1.0.0 | - Initial release of Lambda@Edge module |
### FWM Preprocessor SDK (previously released as Preprocessor Library)
|Date |Version |Descriptions |
|:---|:---|:---|
| 2026.02.05 | 3.7.0 |- Internal stability improved. |
| 2025.09.08 | 3.6.2 |- Internal stability improved. |
| 2025.06.16 | 3.6.0 |- Internal stability improved.
- DEMO logo changed. |
| 2024.05.14 | 3.5.2 |- Internal stability improved. |
| 2024.04.01 | 3.5.0 |- Default GOP requirements changed: from 60 frames to 2 seconds GOP. |
| 2024.03.04 | 3.4.1 |- Internal stability improved. |
| 2024.02.15 | 3.4.0 |- Changed the versioning rule.
- Internal performace improved. |
| 2022.08.01 | 1.0.0 |- Changed the module name. (Preprocessor Library -> Preprocessor SDK)
- Updated API functions to be optimized for encoder/transcoder integration. |
### FWM Hybrik Preprocessor
|Date |Version |Descriptions |
|:---|:---|:---|
| 2024.06.05 | 3.5.2 |- Updated to latest preprocessing SDK. |
| 2022.01.05 | 1.0.0 |- We have released FWM Hybrik Preprocessor which can generate A/B versions via Dolby Hybrik Encoder.
- By linking the Docker-based Hybrik video filter plug-in, '0/1' watermark information can be applied during the encoding process. And DRM-encrypted DASH/HLS packaging can be performed at the same time through CPIX API integration.|