Sourced from mapbox-gl's releases.

v.1.6.0

✨ Features

• Add ability to insert images into text labels using an image expression within a format expression: "text-field": ["format", "Some text", ["image", "my-image"], "some more text"] (#8904)
• Add support for stretchable images (aka nine-part or nine-patch images). Stretchable images can be used with icon-text-fit to draw resized images with unstretched corners and borders. (#8997)
• Add in expression. It can check if a value is in an array (["in", value, array]) or a substring is in a string (["in", substring, string]) (#8876)
• Add minPitch and maxPitch map options (#8834)
• Add rotation, rotationAlignment and pitchAlignment options to markers (#8836) (h/t dburnsii)
• Add methods to Popup to manipulate container class names (#8759) (h/t Ashot-KR)
• Add configurable inertia settings for panning (h/t @​aMoniker) (#8887)
• Add ability to localize mapbox UI controls (#8095) (h/t dmytro-gokun)
• Add LatLngBounds.contains() method (#7512, fixed by #8200)
• Add option to load rtl-text-plugin lazily (#8865)
• Add essential parameter to AnimationOptions that can override prefers-reduced-motion: reduce (#8743, fixed by #8883)

🍏 Improvements

• Allow rendering full world smaller than 512px. To restore the previous limit call map.setMinZoom(0) (#9028)
• Add an es modules build of for mapbox-gl-style-spec in dist/ (#8247) (h/t ahocevar)
• Add 'image/webp,/' accept header to fetch/ajax image requests when webp supported (#8262)
• Improve documentation for setStyle, getStyle, and isStyleLoaded (#8807)

🐞 Bug Fixes

• Fix map rendering after addImage and removeImage are used to change a used image (#9016)
• Fix visibility of controls in High Contrast mode in IE (#8874)
• Fix customizable url hash string in IE 11 (#8990) (h/t pakastin)
• Allow expression stops up to zoom 24 instead of 22 (#8908) (h/t nicholas-l)
• Fix alignment of lines in really overscaled tiles (#9024)
• Fix Failed to execute 'shaderSource' on 'WebGLRenderingContext' errors (#9017)
• Make expression validation fail on NaN (#8615)
• Fix setLayerZoomRange bug that caused tiles to be re-requested (#7865, fixed by #8854)
• Fix map.showTileBoundaries rendering (#7314)
• Fix using generateId in conjunction with cluster in a GeoJSONSource (#8223, fixed by #8945)
• Fix opening popup on a marker from keyboard (#6835)
• Fix error thrown when request aborted (#7614, fixed by #9021)
• Fix attribution control when repeatedly removing and adding it (#9052)

v1.6.0-beta.1

No release notes provided.

v1.5.1

1.5.1

This patch introduces two workarounds that address longstanding issues related to unbounded memory growth in Safari, including #8771 and #4695. We’ve identified two memory leaks in Safari: one in the CacheStorage API, addressed by #8956, and one in transferring data between web workers through Transferables, addressed by #9003.

🍏 Improvements

• Implement workaround for memory leak in Safari when using the CacheStorage API. ( #8856)
• Implement workaround for memory leak in Safari when using Transferable objects to transfer ArrayBuffers to WebWorkers. If GL-JS detetcts that it is running in Safari, the use of Transferables to transfer data to WebWorkers is disabled. ( #9003)
• Improve animation performance when using map.setData. (#8913) (h/t msbarry)

v1.5.1-beta

No release notes provided.

... (truncated)

Sourced from mapbox-gl's changelog.

1.6.0

✨ Features

• Add ability to insert images into text labels using an image expression within a format expression: "text-field": ["format", "Some text", ["image", "my-image"], "some more text"] (#8904)
• Add support for stretchable images (aka nine-part or nine-patch images). Stretchable images can be used with icon-text-fit to draw resized images with unstretched corners and borders. (#8997)
• Add in expression. It can check if a value is in an array (["in", value, array]) or a substring is in a string (["in", substring, string]) (#8876)
• Add minPitch and maxPitch map options (#8834)
• Add rotation, rotationAlignment and pitchAlignment options to markers (#8836) (h/t dburnsii)
• Add methods to Popup to manipulate container class names (#8759) (h/t Ashot-KR)
• Add configurable inertia settings for panning (h/t @​aMoniker) (#8887)
• Add ability to localize UI controls (#8095) (h/t dmytro-gokun)
• Add LatLngBounds.contains() method (#7512, fixed by #8200)
• Add option to load rtl-text-plugin lazily (#8865)
• Add essential parameter to AnimationOptions that can override prefers-reduced-motion: reduce (#8743, fixed by #8883)

🍏 Improvements

• Allow rendering full world smaller than 512px. To restore the previous limit call map.setMinZoom(0) (#9028)
• Add an es modules build for mapbox-gl-style-spec in dist/ (#8247) (h/t ahocevar)
• Add 'image/webp,/' accept header to fetch/ajax image requests when webp supported (#8262)
• Improve documentation for setStyle, getStyle, and isStyleLoaded (#8807)

🐞 Bug Fixes

• Fix map rendering after addImage and removeImage are used to change a used image (#9016)
• Fix visibility of controls in High Contrast mode in IE (#8874)
• Fix customizable url hash string in IE 11 (#8990) (h/t pakastin)
• Allow expression stops up to zoom 24 instead of 22 (#8908) (h/t nicholas-l)
• Fix alignment of lines in really overscaled tiles (#9024)
• Fix Failed to execute 'shaderSource' on 'WebGLRenderingContext' errors (#9017)
• Make expression validation fail on NaN (#8615)
• Fix setLayerZoomRange bug that caused tiles to be re-requested (#7865, fixed by #8854)
• Fix map.showTileBoundaries rendering (#7314)
• Fix using generateId in conjunction with cluster in a GeoJSONSource (#8223, fixed by #8945)
• Fix opening popup on a marker from keyboard (#6835)
• Fix error thrown when request aborted (#7614, fixed by #9021)
• Fix attribution control when repeatedly removing and adding it (#9052)

1.5.1

This patch introduces two workarounds that address longstanding issues related to unbounded memory growth in Safari, including #8771 and #4695. We’ve identified two memory leaks in Safari: one in the CacheStorage API, addressed by #8956, and one in transferring data between web workers through Transferables, addressed by #9003.

🍏 Improvements

• Implement workaround for memory leak in Safari when using the CacheStorage API. ( #8856)
• Implement workaround for memory leak in Safari when using Transferable objects to transfer ArrayBuffers to WebWorkers. If GL-JS detetcts that it is running in Safari, the use of Transferables to transfer data to WebWorkers is disabled. ( #9003)
• Improve animation performance when using map.setData. (#8913) (h/t msbarry)

1.5.0

✨ Features

• Add disabled icon to GeolocateControl if user denies geolocation permission. #8871)
• Add outofmaxbounds event to GeolocateControl, which is emitted when the user is outside of map.maxBounds (#8756) (h/t MoradiDavijani)
• Add mapboxgl.getRTLTextPluginStatus() to query the current status of the rtl-text-plugin to make it easier to allow clearing the plugin when necessary. (ref. #7869) (#8864)

... (truncated)

• f337228 v1.6.0 (#9067)
• 628fa79 make stretchable images work with icon-text-fit: none (#9045)
• c66228e Reset internal attribution control cache when removing from map (#9052)
• 65b3fa0 v1.6.0-beta.1 (#9042)
• 95a4cf5 fix collisions for stretchable images with a content area (#9041) (#9044)
• 5255736 implement stretchable icons for icon-text-fit (#8997)
• 009fecf Clarify toBounds docstring (#9032)
• 8e8a280 allow rendering full world smaller than 512px (#9028)
• 7d7b0f1 Add changelog instructions to PULL_REQUEST_TEMPLATE.md (#9023)
• 1f291bc re-add queuing for getResource calls (#9031)
• Additional commits viewable in compare view

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