> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.ai/llms.txt
> Use this file to discover all available pages before exploring further.
>
> ## API version
> The current API version is `2026-02-09`, served at the site root (no version prefix in URLs).
> If this page URL contains `/2025-04-21/` or `/2024-12-23/`, you are reading an older API version.
> Prefer the current docs at https://docs.extend.ai/llms.txt unless the user explicitly needs that older version.
> Do not treat older-version pages as the source of truth for new integrations.

# Changelog

> Ship your document processing with Extend. Get started with our APIs, SDKs, and guides.

## Entries

- [Changelog](https://docs.extend.ai/changelog.md): Updates and improvements to the Extend platform.
- [Multifile evaluation set items](https://docs.extend.ai/changelog/2026/9/15.md): Evaluation set items can now reference an ordered package of files via fileIds, and are evaluated as a single multifile extraction run on the 2026-02-09 API.
- [Operator](https://docs.extend.ai/changelog/2026/8/26.md)
- [Parse output metadata: page rotation, original dimensions, and file type](https://docs.extend.ai/changelog/2026/7/31.md)
- [Excel cell metadata and formatting in Parse](https://docs.extend.ai/changelog/2026/6/24.md): Advanced Excel parsing can preserve source cell references, formulas, and structured cell formatting in parse output.
- [Custom instructions for figure parsing](https://docs.extend.ai/changelog/2026/6/11.md): Steer figure parsing with blockOptions.figures.customInstructions, injected into the vision model prompt that analyzes and summarizes each figure.
- [Processor cost preview and charge-level usage breakdown](https://docs.extend.ai/changelog/2026/6/10.md): usage.breakdown entries can include a charges array itemizing cost drivers — billing product, unit, quantity, credits, and page-level detail.
- [Cancel in-flight parse runs](https://docs.extend.ai/changelog/2026/6/9.md): POST /parse_runs/{id}/cancel aborts an in-progress parse run on the 2026-02-09 API and sets its status to CANCELLED.
- [Validation rules: INCLUDES and INCLUDESANY operators](https://docs.extend.ai/changelog/2026/6/4.md): Workflow validation formulas add INCLUDES and INCLUDESANY operators for case-insensitive substring checks across array fields.
- [OCR word confidence on parse chunk and block metadata](https://docs.extend.ai/changelog/2026/5/26.md): Parse chunk and block metadata now include minOcrConfidence and avgOcrConfidence, the per-word OCR confidence across each region.
- [Generate extractor JSON schemas via the REST API when you create an extractor](https://docs.extend.ai/changelog/2026/5/20.md): Pass generate on POST /extractors with one to five sample files and Extend generates a JSON extraction schema from your examples.
- [Extraction Performance 4.8.0](https://docs.extend.ai/changelog/2026/5/14.md): Extraction Performance 4.8.0 is the latest base processor version, upgrading the base models used for core extraction and large array strategies.
- [Extraction citation mode control (line, word, block)](https://docs.extend.ai/changelog/2026/5/8.md): Set citationMode to line, word, or block so extraction citation polygons match the granularity you need; parse 2.0.0-beta now supports bounding box citations.
- [Batch Extract and Batch Parse APIs](https://docs.extend.ai/changelog/2026/4/9.md): New /extract/batch and /parse/batch endpoints queue thousands of files for background processing without running into rate limits.
- [Splitter Composer](https://docs.extend.ai/changelog/2026/4/6.md): Composer can now optimize splitters automatically from eval sets, in addition to extractors and classifiers.
- [Formula handling in Parse](https://docs.extend.ai/changelog/2026/4/3.md): The new parse engine can parse formula blocks as LaTeX, available as an advanced option for extracting math content from documents.
- [Workflows create/update API](https://docs.extend.ai/changelog/2026/3/31.md): Create, update, and delete workflows and workflow versions entirely via API for programmatic, CI/CD-managed document pipelines.
- [Edit: schema generation API](https://docs.extend.ai/changelog/2026/3/30.md): Studio's form detection and schema generation is now available as a standalone API for creating forms and templates from known document types.
- [Edit: signature images for e-signing](https://docs.extend.ai/changelog/2026/3/25.md): E-signing workflows in the Edit API now support including signature images for complete digital signing experiences.
- [Compare UI in the parse playground](https://docs.extend.ai/changelog/2026/3/18.md): A new compare UI in the parse playground shows differences between parse engines and advanced options side by side.
- [Edit: conditional logic and validation](https://docs.extend.ai/changelog/2026/3/15.md): The Edit API supports full JSON Schema conditional logic — if/then/else, dependentRequired, allOf, oneOf, anyOf, and not — with rule auto-generation from a sample document.
- [Dark mode in the dashboard](https://docs.extend.ai/changelog/2026/3/13.md): Dark mode is now available across the Extend dashboard, with a toggle in your settings.
- [Rebuilt Excel parser](https://docs.extend.ai/changelog/2026/3/12.md): A rebuilt Rust-based Excel parser adds hidden content controls, formula handling, and improved layout segmentation on large files.
- [Manage webhook endpoints via API](https://docs.extend.ai/changelog/2026/3/8.md): Create, update, and delete webhook endpoints and resource-scoped webhook subscriptions programmatically via the API.
- [Advanced chart extraction](https://docs.extend.ai/changelog/2026/3/5.md): Advanced chart extraction converts figures classified as charts into structured data tables using a specialized vision model.
- [New parse engine and layout model](https://docs.extend.ai/changelog/2026/3/3.md): A new beta parse engine with a retrained layout model improves accuracy on complex layouts and adds form regions, headers, footers, page numbers, and formula blocks.
- [Array(Enum) support in extraction schemas](https://docs.extend.ai/changelog/2026/2/9.md): Extraction schemas now support Array(Enum) field types for extracting arrays of enumerated values, starting with base version 4.6.1.
- [OCR words with bounding boxes and confidence scores](https://docs.extend.ai/changelog/2026/1/31.md): Set returnOcr.words to true in your parse config to get individual OCR words with bounding boxes and confidence scores.
- [Runs tab in the dashboard](https://docs.extend.ai/changelog/2026/1/23.md): A new Runs tab in the dashboard shows all Extend runs — parse, extraction, workflows, edit, and more — with filters by type and source.
- [Splitter output and eval UI redesign](https://docs.extend.ai/changelog/2026/1/15.md): The Splitter eval comparison output has been redesigned to be more intuitive and easier to use.
- [Edit: annotations, signature detection, and e-signing](https://docs.extend.ai/changelog/2026/1/14.md): Edit adds more precise form schema generation, signature field detection, and full e-signing support.