Add release note for async loading #101

README.md

@@ -494,7 +494,7 @@ The parentIFrame methods object in the iFrame is now always available and the `e
 
 ## Version History
 
-* v3.1.0 [#239](https://github.com/davidjbradshaw/iframe-resizer/issues/239) Throttle size checking to once per screen refresh (16ms). Added support for hidden iFrames in FireFox. Added option to allow iFrame to kick start init, if script is late loaded. Improved handling of parent page events. [#236](https://github.com/davidjbradshaw/iframe-resizer/issues/236) Cope with iFrames that don't have a *src* value. [#242](https://github.com/davidjbradshaw/iframe-resizer/issues/242) Fix issue where iFrame is removed and then put back with same ID [[Alban Mouton](https://github.com/albanm)].
+* v3.1.0 [#101](https://github.com/davidjbradshaw/iframe-resizer/issues/101) Support async loading of iFrame script. [#239](https://github.com/davidjbradshaw/iframe-resizer/issues/239) Throttle size checking to once per screen refresh (16ms). Added support for hidden iFrames in FireFox. Added option to allow iFrame to kick start init, if script is late loaded. Improved handling of parent page events. [#236](https://github.com/davidjbradshaw/iframe-resizer/issues/236) Cope with iFrames that don't have a *src* value. [#242](https://github.com/davidjbradshaw/iframe-resizer/issues/242) Fix issue where iFrame is removed and then put back with same ID [[Alban Mouton](https://github.com/albanm)].
 * v3.0.0 Added *taggedElement* size calculation method. [#199](https://github.com/davidjbradshaw/iframe-resizer/issues/199) Added in page options to iFrame. [#70](https://github.com/davidjbradshaw/iframe-resizer/issues/70) Added width calculation method options. Added methods to bound iFrames to comunicate from parent to iFrame. Ignore calls to setup an already bound iFrame. Improved event handling. Refactored MutationObserver functions. Moved IE8 polyfil from docs to own JS file and added *Funtion.prototype.bind()*. Added detection for tab focus. Fixed bug with nested inPageLinks. Public methods in iFrame now always enabled and option removed. Renamed enableInPageLinks to inPageLinks. Added double iFrame example.
 * v2.8.10 Fixed bug with resizeFrom option not having default value in iFrame, if called from old version in parent page.
 * v2.8.9 [#220](https://github.com/davidjbradshaw/iframe-resizer/issues/220) Switched from using *deviceorientation* to *orientationchange* event listner [[Brandon Kobel](https://github.com/kobelb)].