Fabric.js 1.7.12 已发布，Fabric.js 是一款简单而强大的 JavaScript Canvas 库，在 HTML5 Canvas 元素之上提供了互动的对象模型，同时还包含 Canvas-to-SVG 解析器。
使用 Fabric.js 你可以创建和填充画布上的对象，从简单的几何图形到成百上千路径组成的复杂图形。你可以通过鼠标轻松的移动、缩放和旋转这些对象，修改它们的属性（颜色、透明度，层叠顺序）等等。
更新内容：
Fix: removed possible memleaks from window resize event. #3984
Fix: restored default cursor to noTarget only. unselectable objects get the standard hovercursor. #3953
Cache fixes: fix uncached pathGroup, removed cache creation at initialize time #3982
Improvement: nextTarget to mouseOut and prevTarget to mouseOver #3900
Improvement: add isClick boolean to left mouse up #3898
Fix: can start selection on top of non selectable object #3892
Improvement: better management of right/middle click #3888
Fix: subTargetCheck on activeObject/activeGroup was firing too many events #3909
Fix: After addWithUpdate or removeWithUpdate object coords must be updated. #3911
