Added missing TypeScript declarations for cooperative gesture handling (#2949 @superbland) Fixed: IIIF files with empty sizes array would fail to load (#2963 @firatciftci) Fixed a small DataTypeCon...

an adventure in image processing and taking very wide photographs (blog post; 4,600 words)

Now properly supporting non-power of two tile source levels (#2884 @Aiosa) Added discardLevelsBelowDownsampleRatio option for both viewer and individual tiled images so you can control the pixel ra...

NEW BEHAVIOR: OpenSeadragon Data Pipeline Overhaul (#2407, #2643, #2718, #2739, #2775, #2762, #2816, #2863, #2858, #2871 @Aiosa) DEPRECATION: Properties on tile that manage drawer data, or store d...

In this course, you'll learn how to prepare and present huge images on the web using OpenSeadragon zooming technology. This course is for web developers who want to create truly unique web front-ends ...

Starting a fresh issue since the last one is all sorted out. First item: https://www.webumenia.sk/en

We’d like you to look at one piece of art for 10 minutes, uninterrupted.

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We've just merged a big upgrade to the OSD data cache and pipeline: #2407. We're excited about the new functionality, but we want to make sure it's good and solid. We'd love to get as many people a...

Improved overlay handling so it plays better with other libraries (#2582 @BeebBenjamin) WebGLDrawer now supports the imageSmoothingEnabled option (#2615 @pearcetm) Fixed: If you switched from WebGL...