## 2019-02-06 #Deprecation


```
[Deprecation] :unresolved pseudo selector is deprecated and will be removed in M73, around March 2019. Please use :not(:defined) instead. See https://www.chromestatus.com/features/4642138092470272 for more details.
loadUnresolved @ component-loader.js:226

component-loader.js:453 [Deprecation] HTML Imports is deprecated and will be removed in M73, around March 2019. Please use ES modules instead. See https://www.chromestatus.com/features/5144752345317376 for more details.
loadByName @ component-loader.js:453

component-loader.js:201 [Deprecation] document.registerElement is deprecated and will be removed in M73, around March 2019. Please use window.customElements.define instead. See https://www.chromestatus.com/features/4642138092470272 for more details.
lively.fillTemplateStyles.then @ component-loader.js:201

component-loader.js:81 [Deprecation] Element.createShadowRoot is deprecated and will be removed in M73, around March 2019. Please use Element.attachShadow instead. See https://www.chromestatus.com/features/4507242028072960 for more details.
onCreatedCallback @ component-loader.js:81
```