label-studio Releases

This release focuses on maintenance and documentation updates for the Reddit Video Maker Bot. It addresses a bug in the CI pipeline that was incorrectly closing valid issues and updates the project's README.

Oct 28, 2025

Release 1.21.0 adds BitmaskLabels for pixel-level image annotation with brush/eraser tools, custom global hotkeys per user account, and support for high-frequency time series data with sub-second precision. The release also includes improved cloud storage modal with file preview and major SDK 2.0.x release.

Sep 30, 2025

Release 1.20.0 introduces time series synchronization with audio and video, spectrogram support for audio analysis, and the Multichannel tag for grouping multiple time series. The Playground 2.0 is now a standalone app with broader feature support including audio labeling.

Jul 1, 2025

Release 1.19.0 introduces storage proxies for cloud files, multi-task JSON imports, sample datasets for project creation, and a new PDF tag. The release also adds dynamic brush sizes and KeyPointLabel exports for COCO and YOLO formats.

Jun 10, 2025

Label Studio 1.18.0 introduces dark mode support, drag-and-drop adjustments for video and text spans, and enhanced security features including token rotation and CSP fixes. It also adds COCO export support for BrushLabels and updates the SDK for NumPy 2.0 compatibility.

May 14, 2025

Version 1.17.0 brings a new home page, JWT-based personal access tokens, and the ability to link directly to specific annotations or regions. It also improves audio task usability and adds new templates for content moderation, medical imaging, and LLM grading.

Apr 7, 2025

Open-Sora V1.3 introduces improvements in model architecture and generation quality, specifically enhancing video compression and the ST-DiT architecture. It continues to support image-to-video and video extension with expanded resolution and frame length support.

Feb 21, 2025

This release adds the ability to use the Taxonomy tag for labeling regions, grid view data previews for images, and hotkeys for audio labeling. It also displays prediction scores in the labeling interface and improves the usability of the relations panel.

Feb 13, 2025

1.15.0 introduces paginated multi-image labeling for document annotation, allowing users to navigate through image albums within a single task. It also enables editing video frame spans in the TimelineLabels tag and fixes installation issues on Python 3.13.

Dec 11, 2024

This post-release patch addresses critical issues preventing Label Studio from starting on Python 3.12 and 3.13, ensuring compatibility with the latest Python versions.

Nov 13, 2024

Version 1.14.0 adds Video Frame Classification via the new `<TimelineLabels>` tag, supports Python 3.13, and introduces a new hotkey (Ctrl + h) to toggle region visibility. It also upgrades Django from 3 to 4.

Nov 4, 2024

A minor patch release that allows reordering tabs in the Data Manager by dragging and dropping, adds index identifiers to region labels, and adds a warning prompt when leaving the labeling configuration without saving changes.

Aug 20, 2024

1.13.0 features a refreshed Label Studio interface with updated colors and fonts, improved ML backend responses for multiple predictions, and usability enhancements for the relations panel. It also introduces a major SDK update.

Jul 31, 2024

Focuses on UI improvements and dependency updates for the Reddit Video Maker Bot project.

Jun 16, 2024

This release focuses on usability enhancements for ML backend and predictions, including fixing the 'Start Training' and 'Reject All' actions, and improving loading spinners and image sizing consistency across the interface.

May 21, 2024

A post-release update fixing an issue with configuring data collection by supporting the `COLLECT_ANALYTICS` environment variable in addition to the existing `collect_analytics` setting.

May 6, 2024

This release focuses on enhancing Machine Learning and LLM integrations with improved security and user experience, alongside new actions in the Data Manager and UI improvements.

Apr 18, 2024

Label Studio consolidates its frontend and Data Manager codebases into the main repository, accompanied by critical security updates to address SSRF and HTML sanitization vulnerabilities.

Jan 30, 2024

A security-focused patch release that implements a Content Security Policy (CSP) header and fixes HTML sanitization issues to address specific vulnerabilities.

Jan 4, 2024

A post-release patch designed to resolve migration issues that prevented users from upgrading from older versions of Label Studio to version 1.10.0.

Dec 8, 2023