The 10.5.0 release contains many fixes, typing improvements, but also several new features:

• The Snap interaction now allows snapping to segment intersections; it also offers a new unsnap event
• Added support for LineStrings and expressions in the Heatmap layer
• Added getLength method to the MultiLineString geometry class
• Added a source.setParams() API alongside the existing source.updateParams for various sources to make clearing query parameters easier
• WFS feature properties (and other XML text elements) will now be encoded as CDATA when they contain special XML characters, white spaces etc.
• Added support for has expression operator in WebGL layers
• Added a performance improvement when selecting features
• Removed a long-standing Firefox-specific workaround when zooming in/out with the mouse wheel
• Removed the runtime dependencies to the color-space and color-rgba packages, instead replaced by local code
• Vector layer backgrounds are now rendered even when the source is empty

List of all changes

See below for a complete list of features and fixes.

• Adding numbers to font family regex (by @ltkum in https://github.com/openlayers/openlayers/pull/16771)
• Safely push to the zIndexContext instructions array (by @ahocevar in https://github.com/openlayers/openlayers/pull/16762)
• Fixed: WebGLVectorTile layer setStyle issue (by @catakot in https://github.com/openlayers/openlayers/pull/16746)
• Fix tests (by @ahocevar in https://github.com/openlayers/openlayers/pull/16756)
• Remove endless render loop (by @ahocevar in https://github.com/openlayers/openlayers/pull/16759)
• Avoid comparing match operator input value with fallback value (by @jahow in https://github.com/openlayers/openlayers/pull/16723)
• Restore handlebars replacements in website (by @ahocevar in https://github.com/openlayers/openlayers/pull/16754)
• Implement has operator on GPU (by @jahow in https://github.com/openlayers/openlayers/pull/16717)
• Compare matrix transforms with lower precision (by @ahocevar in https://github.com/openlayers/openlayers/pull/16744)
• Restore vector tile projection assertion (by @mike-000 in https://github.com/openlayers/openlayers/pull/16739)
• Get rid of Firefox specific wheel delta adjustment (by @ahocevar in https://github.com/openlayers/openlayers/pull/16726)
• Hint willReadFrequently leads to worse performance when selecting features (by @natalvc in https://github.com/openlayers/openlayers/pull/16736)
• A bug fix in unsnap test (by @yjwoo14 in https://github.com/openlayers/openlayers/pull/16724)
• Contours interpolation using Terrarium tiles with gutter (by @mike-000 in https://github.com/openlayers/openlayers/pull/13647)
• Add setParams for setting all URL parameters at once (by @tschaub in https://github.com/openlayers/openlayers/pull/16718)
• Fix hit detection when setting a filter in a WebGL Vector Layer (by @jahow in https://github.com/openlayers/openlayers/pull/16710)
• Fix a shader compilation error when setting stroke dash and point style (by @jahow in https://github.com/openlayers/openlayers/pull/16716)
• Document that polygons must have a fill for full hit detection #16698 (by @m-mohr in https://github.com/openlayers/openlayers/pull/16701)
• Add getLength method to ol/geom/MultiLineString (by @MoonE in https://github.com/openlayers/openlayers/pull/16708)
• Add sustaining sponsors to the main page of the website (by @ahocevar in https://github.com/openlayers/openlayers/pull/16703)
• Fix typo in Offscreen Canvas example (by @jahow in https://github.com/openlayers/openlayers/pull/16695)
• Remove unnecessary eslint-disable directive (by @tschaub in https://github.com/openlayers/openlayers/pull/16692)
• Simplify MapBrowserEvent types and conditions code (by @ahocevar in https://github.com/openlayers/openlayers/pull/16683)

New Contributors

• @RubenKad made their first contribution in https://github.com/openlayers/openlayers/pull/16352
• @semihher made their first contribution in https://github.com/openlayers/openlayers/pull/16599
• @yjwoo14 made their first contribution in https://github.com/openlayers/openlayers/pull/16724
• @natalvc made their first contribution in https://github.com/openlayers/openlayers/pull/16736
• @catakot made their first contribution in https://github.com/openlayers/openlayers/pull/16746
• @ltkum made their first contribution in https://github.com/openlayers/openlayers/pull/16771

Full Changelog: https://github.com/openlayers/openlayers/compare/v10.4.0...v10.5.0