Leaflet Changelog

0.2 (master)

Added WMS support (TileLayer.WMS).
Added different projections support, having EPSG:3857, EPSG:4326 and EPSG:3395 out of the box (through crs option in Map). Thanks to @Miroff & @Komzpa for great advice and explanation regarding this.

Added TileLayer.Canvas for easy creation of canvas-based tile layers.
Circle is now zoom-dependent (with radius in meters); circle of a permanent size is now called L.CircleMarker.
Added mouseover and mouseout events to map, markers and paths; added map mousemove event.
Added setLatLngs, spliceLatLngs, addLatLng, getLatLngs methods to polylines and polygons.
LatLngBounds contains method now accepts LatLng in addition to LatLngBounds, the same for Bounds contains and Point
Added TMS tile numbering support through TileLayer scheme: 'tms' option (by @tmcw).
Added opacity option to TileLayer.
Added setLatLng method to Marker.
Added title option to Marker.
Added maxZoom argument to map.locateAndSetView method.
Improved geolocation error handling: better error messages, explicit timeout, set world view on locateAndSetView failure. #61

Disabled zoom animation on Android by default because it's buggy on some devices (will be enabled back when it's stable enough). #32
Fixed a bug where map would occasionally break while multi-touch-zooming on iOS. #32
Fixed a bug with extremely slow panning on HTC Android (by @Miroff).
Fixed a bug where paths would not appear in IE8.
Fixed a bug where zooming is broken if the map contains a polygon and you zoom to an area where it's not visible. #47
Fixed a bug where closed polylines would not appear on the map.
Fixed a bug where marker that was added, removed and then added again would not appear on the map. #66
Fixed a bug that caused an error when trying to add a marker without shadow in its icon.
Fixed incorrect zoom animation & popup styling in Opera 11.11.
Fixed a bug where double click zoom wouldn't work if popup is opened on map click
Fixed a bug where map isn't displayed in Firefox when there's an img { max-width: 100% } rule.
Fixed inability to remove ImageOverlay layer.
Fixed popup fade animation in Firefox and Opera