diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
deleted file mode 100644
index 7973a885..00000000
--- a/.github/workflows/automerge.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-  
-name: Automerge
-
-on:
-  pull_request:
-    types:
-      - labeled
-      - unlabeled
-      - synchronize
-      - opened
-      - edited
-      - ready_for_review
-      - reopened
-      - unlocked
-  pull_request_review:
-    types:
-      - submitted
-  check_suite: 
-    types:
-      - completed
-  status: {}
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    steps:
-      - name: automerge
-        uses: "pascalgn/automerge-action@135f0bdb927d9807b5446f7ca9ecc2c51de03c4a"
-        env:
-          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          MERGE_METHOD: "squash"
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/pull-request-manager.yml
similarity index 85%
rename from .github/workflows/nodejs.yml
rename to .github/workflows/pull-request-manager.yml
index 784e0c05..081e8ca8 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/pull-request-manager.yml
@@ -1,11 +1,9 @@
 # This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
 # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
-name: Node.js CI
+name: Pull Request Manager
 
 on:
-  push:
-    branches: [ master ]
   pull_request:
     branches: [ master ]
 
@@ -16,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: [14]
 
     steps:
     - uses: actions/checkout@v2
@@ -25,7 +23,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - run: yarn
-    - run: yarn build 
+    - run: yarn build
     - run: yarn lint
     - run: yarn test
       env:
diff --git a/.kodiak.toml b/.kodiak.toml
new file mode 100644
index 00000000..f05f4e0c
--- /dev/null
+++ b/.kodiak.toml
@@ -0,0 +1,4 @@
+version = 1
+auto_approve_usernames = ["dependabot"]
+merge.automerge_label = ['dependencies', 'automerge 🚀']
+update.autoupdate_label = 'autoupdate 🔁'
diff --git a/.nvmrc b/.nvmrc
index 48082f72..8351c193 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-12
+14
diff --git a/dist/jquery.stickybits.js b/dist/jquery.stickybits.js
index 636a30c3..4888df12 100644
--- a/dist/jquery.stickybits.js
+++ b/dist/jquery.stickybits.js
@@ -1,6 +1,6 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
@@ -88,7 +88,7 @@
       var _this = this;
 
       var o = typeof obj !== 'undefined' ? obj : {};
-      this.version = '3.7.7';
+      this.version = '3.7.8';
       this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
       this.props = {
         customStickyChangeNumber: o.customStickyChangeNumber || null,
diff --git a/dist/jquery.stickybits.min.js b/dist/jquery.stickybits.min.js
index 2da7b1d4..52cf0a14 100644
--- a/dist/jquery.stickybits.min.js
+++ b/dist/jquery.stickybits.min.js
@@ -1,8 +1,8 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
 **/
-!function(t){"function"==typeof define&&define.amd?define(t):t()}(function(){"use strict";function x(){return(x=Object.assign||function(t){for(var s=1;s<arguments.length;s++){var e=arguments[s];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t}).apply(this,arguments)}var s=function(){function t(t,s){var e=this,i=void 0!==s?s:{};this.version="3.7.7",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:i.customStickyChangeNumber||null,noStyles:i.noStyles||!1,stickyBitStickyOffset:i.stickyBitStickyOffset||0,parentClass:i.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof i.scrollEl?document.querySelector(i.scrollEl):i.scrollEl||window,stickyClass:i.stickyClass||"js-is-sticky",stuckClass:i.stuckClass||"js-is-stuck",stickyChangeClass:i.stickyChangeClass||"js-is-sticky--change",useStickyClasses:i.useStickyClasses||!1,useFixed:i.useFixed||!1,useGetBoundingClientRect:i.useGetBoundingClientRect||!1,verticalPosition:i.verticalPosition||"top",applyStyle:i.applyStyle||function(t,s){return e.applyStyle(t,s)}},this.props.positionVal=this.definePosition()||"fixed",this.instances=[];var n=this.props,o=n.positionVal,a=n.verticalPosition,l=n.noStyles,r=n.stickyBitStickyOffset,c="top"!==a||l?"":r+"px",p="fixed"!==o?o:"";this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]);for(var f=0;f<this.els.length;f++){var u,y=this.els[f],h=this.addInstance(y,this.props);this.props.applyStyle({styles:((u={})[a]=c,u.position=p,u),classes:{}},h),this.manageState(h),this.instances.push(h)}}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};if("fixed"===s.positionVal||s.useStickyClasses){this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);this.computeScrollOffsets(i),this.toggleClasses(i.parent,"",s.parentClass),i.state="default",i.stateChange="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer)}return i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getTopPosition=function(t){if(this.props.useGetBoundingClientRect)return t.getBoundingClientRect().top+(this.props.scrollEl.pageYOffset||document.documentElement.scrollTop);for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,l=o?this.getTopPosition(e.scrollEl):0,r=o?this.getTopPosition(n)-l:this.getTopPosition(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight,p=r+n.offsetHeight;s.offset=o?0:l+e.stickyBitStickyOffset,s.stickyStart=a?r-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?p-(i.offsetHeight+s.offset):p-window.innerHeight},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(r){function t(t){t()}var c=this,p=r,f=p.props,s=p.state,e=p.stateChange,i=p.stickyStart,n=p.stickyChange,o=p.stickyStop,u=f.positionVal,a=f.scrollEl,y=f.stickyClass,h=f.stickyChangeClass,d=f.stuckClass,g=f.verticalPosition,l="bottom"!==g,k=f.applyStyle,m=f.noStyles,v=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||t,C=this.isWin?window.scrollY||window.pageYOffset:a.scrollTop,S=l&&C<=i&&("sticky"===s||"stuck"===s),w=o<=C&&"sticky"===s;i<C&&C<o&&("default"===s||"stuck"===s)?p.state="sticky":S?p.state="default":w&&(p.state="stuck");var b=n<=C&&C<=o;C<n/2||o<C?p.stateChange="default":b&&(p.stateChange="sticky"),s===p.state&&e===p.stateChange||v(function(){var t,s,e,i,n,o,a={sticky:{styles:((t={position:u,top:"",bottom:""})[g]=f.stickyBitStickyOffset+"px",t),classes:((s={})[y]=!0,s)},default:{styles:((e={})[g]="",e),classes:{}},stuck:{styles:x(((i={})[g]="",i),"fixed"===u&&!m||!c.isWin?{position:"absolute",top:"",bottom:"0"}:{}),classes:((n={})[d]=!0,n)}};"fixed"===u&&(a.default.styles.position="");var l=a[p.state];l.classes=((o={})[d]=!!l.classes[d],o[y]=!!l.classes[y],o[h]=b,o),k(l,r)})},s.applyStyle=function(t,s){var e=t.styles,i=t.classes,n=s.el,o=s.props,a=n.style,l=o.noStyles,r=n.className.split(" ");for(var c in i){if(i[c])-1===r.indexOf(c)&&r.push(c);else{var p=r.indexOf(c);-1!==p&&r.splice(p,1)}}if(n.className=r.join(" "),e.position&&(a.position=e.position),!l)for(var f in e)a[f]=e[f]},s.update=function(e){var i=this;return void 0===e&&(e=null),this.instances.forEach(function(t){if(i.computeScrollOffsets(t),e)for(var s in e)t.props[s]=e[s]}),this},s.removeInstance=function(t){var s,e,i=t.el,n=t.props;this.applyStyle({styles:((s={position:""})[n.verticalPosition]="",s),classes:((e={})[n.stickyClass]="",e[n.stuckClass]="",e)},t),this.toggleClasses(i.parentNode,n.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.stateContainer&&s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();if("undefined"!=typeof window){var t=window.$||window.jQuery||window.Zepto;t&&(t.fn.stickybits=function(t){return new s(this,t)})}});
+!function(t){"function"==typeof define&&define.amd?define(t):t()}(function(){"use strict";function x(){return(x=Object.assign||function(t){for(var s=1;s<arguments.length;s++){var e=arguments[s];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t}).apply(this,arguments)}var s=function(){function t(t,s){var e=this,i=void 0!==s?s:{};this.version="3.7.8",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:i.customStickyChangeNumber||null,noStyles:i.noStyles||!1,stickyBitStickyOffset:i.stickyBitStickyOffset||0,parentClass:i.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof i.scrollEl?document.querySelector(i.scrollEl):i.scrollEl||window,stickyClass:i.stickyClass||"js-is-sticky",stuckClass:i.stuckClass||"js-is-stuck",stickyChangeClass:i.stickyChangeClass||"js-is-sticky--change",useStickyClasses:i.useStickyClasses||!1,useFixed:i.useFixed||!1,useGetBoundingClientRect:i.useGetBoundingClientRect||!1,verticalPosition:i.verticalPosition||"top",applyStyle:i.applyStyle||function(t,s){return e.applyStyle(t,s)}},this.props.positionVal=this.definePosition()||"fixed",this.instances=[];var n=this.props,o=n.positionVal,a=n.verticalPosition,l=n.noStyles,r=n.stickyBitStickyOffset,c="top"!==a||l?"":r+"px",p="fixed"!==o?o:"";this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]);for(var f=0;f<this.els.length;f++){var u,y=this.els[f],h=this.addInstance(y,this.props);this.props.applyStyle({styles:((u={})[a]=c,u.position=p,u),classes:{}},h),this.manageState(h),this.instances.push(h)}}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};if("fixed"===s.positionVal||s.useStickyClasses){this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);this.computeScrollOffsets(i),this.toggleClasses(i.parent,"",s.parentClass),i.state="default",i.stateChange="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer)}return i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getTopPosition=function(t){if(this.props.useGetBoundingClientRect)return t.getBoundingClientRect().top+(this.props.scrollEl.pageYOffset||document.documentElement.scrollTop);for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,l=o?this.getTopPosition(e.scrollEl):0,r=o?this.getTopPosition(n)-l:this.getTopPosition(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight,p=r+n.offsetHeight;s.offset=o?0:l+e.stickyBitStickyOffset,s.stickyStart=a?r-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?p-(i.offsetHeight+s.offset):p-window.innerHeight},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(r){function t(t){t()}var c=this,p=r,f=p.props,s=p.state,e=p.stateChange,i=p.stickyStart,n=p.stickyChange,o=p.stickyStop,u=f.positionVal,a=f.scrollEl,y=f.stickyClass,h=f.stickyChangeClass,d=f.stuckClass,g=f.verticalPosition,l="bottom"!==g,k=f.applyStyle,m=f.noStyles,v=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||t,C=this.isWin?window.scrollY||window.pageYOffset:a.scrollTop,S=l&&C<=i&&("sticky"===s||"stuck"===s),w=o<=C&&"sticky"===s;i<C&&C<o&&("default"===s||"stuck"===s)?p.state="sticky":S?p.state="default":w&&(p.state="stuck");var b=n<=C&&C<=o;C<n/2||o<C?p.stateChange="default":b&&(p.stateChange="sticky"),s===p.state&&e===p.stateChange||v(function(){var t,s,e,i,n,o,a={sticky:{styles:((t={position:u,top:"",bottom:""})[g]=f.stickyBitStickyOffset+"px",t),classes:((s={})[y]=!0,s)},default:{styles:((e={})[g]="",e),classes:{}},stuck:{styles:x(((i={})[g]="",i),"fixed"===u&&!m||!c.isWin?{position:"absolute",top:"",bottom:"0"}:{}),classes:((n={})[d]=!0,n)}};"fixed"===u&&(a.default.styles.position="");var l=a[p.state];l.classes=((o={})[d]=!!l.classes[d],o[y]=!!l.classes[y],o[h]=b,o),k(l,r)})},s.applyStyle=function(t,s){var e=t.styles,i=t.classes,n=s.el,o=s.props,a=n.style,l=o.noStyles,r=n.className.split(" ");for(var c in i){if(i[c])-1===r.indexOf(c)&&r.push(c);else{var p=r.indexOf(c);-1!==p&&r.splice(p,1)}}if(n.className=r.join(" "),e.position&&(a.position=e.position),!l)for(var f in e)a[f]=e[f]},s.update=function(e){var i=this;return void 0===e&&(e=null),this.instances.forEach(function(t){if(i.computeScrollOffsets(t),e)for(var s in e)t.props[s]=e[s]}),this},s.removeInstance=function(t){var s,e,i=t.el,n=t.props;this.applyStyle({styles:((s={position:""})[n.verticalPosition]="",s),classes:((e={})[n.stickyClass]="",e[n.stuckClass]="",e)},t),this.toggleClasses(i.parentNode,n.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.stateContainer&&s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();if("undefined"!=typeof window){var t=window.$||window.jQuery||window.Zepto;t&&(t.fn.stickybits=function(t){return new s(this,t)})}});
diff --git a/dist/stickybits.es.js b/dist/stickybits.es.js
index d6771cec..5cc3843f 100644
--- a/dist/stickybits.es.js
+++ b/dist/stickybits.es.js
@@ -1,6 +1,6 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
@@ -83,7 +83,7 @@ var Stickybits = /*#__PURE__*/function () {
     var _this = this;
 
     var o = typeof obj !== 'undefined' ? obj : {};
-    this.version = '3.7.7';
+    this.version = '3.7.8';
     this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
     this.props = {
       customStickyChangeNumber: o.customStickyChangeNumber || null,
diff --git a/dist/stickybits.js b/dist/stickybits.js
index a077ed5b..c586eb42 100644
--- a/dist/stickybits.js
+++ b/dist/stickybits.js
@@ -1,6 +1,6 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
@@ -89,7 +89,7 @@
       var _this = this;
 
       var o = typeof obj !== 'undefined' ? obj : {};
-      this.version = '3.7.7';
+      this.version = '3.7.8';
       this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
       this.props = {
         customStickyChangeNumber: o.customStickyChangeNumber || null,
diff --git a/dist/stickybits.min.js b/dist/stickybits.min.js
index 55e2da8c..ef48e378 100644
--- a/dist/stickybits.min.js
+++ b/dist/stickybits.min.js
@@ -1,8 +1,8 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
 **/
-!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?module.exports=s():"function"==typeof define&&define.amd?define(s):(t=t||self).stickybits=s()}(this,function(){"use strict";function b(){return(b=Object.assign||function(t){for(var s=1;s<arguments.length;s++){var e=arguments[s];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t}).apply(this,arguments)}var e=function(){function t(t,s){var e=this,i=void 0!==s?s:{};this.version="3.7.7",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:i.customStickyChangeNumber||null,noStyles:i.noStyles||!1,stickyBitStickyOffset:i.stickyBitStickyOffset||0,parentClass:i.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof i.scrollEl?document.querySelector(i.scrollEl):i.scrollEl||window,stickyClass:i.stickyClass||"js-is-sticky",stuckClass:i.stuckClass||"js-is-stuck",stickyChangeClass:i.stickyChangeClass||"js-is-sticky--change",useStickyClasses:i.useStickyClasses||!1,useFixed:i.useFixed||!1,useGetBoundingClientRect:i.useGetBoundingClientRect||!1,verticalPosition:i.verticalPosition||"top",applyStyle:i.applyStyle||function(t,s){return e.applyStyle(t,s)}},this.props.positionVal=this.definePosition()||"fixed",this.instances=[];var n=this.props,o=n.positionVal,a=n.verticalPosition,l=n.noStyles,r=n.stickyBitStickyOffset,c="top"!==a||l?"":r+"px",p="fixed"!==o?o:"";this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]);for(var f=0;f<this.els.length;f++){var u,y=this.els[f],h=this.addInstance(y,this.props);this.props.applyStyle({styles:((u={})[a]=c,u.position=p,u),classes:{}},h),this.manageState(h),this.instances.push(h)}}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};if("fixed"===s.positionVal||s.useStickyClasses){this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);this.computeScrollOffsets(i),this.toggleClasses(i.parent,"",s.parentClass),i.state="default",i.stateChange="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer)}return i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getTopPosition=function(t){if(this.props.useGetBoundingClientRect)return t.getBoundingClientRect().top+(this.props.scrollEl.pageYOffset||document.documentElement.scrollTop);for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,l=o?this.getTopPosition(e.scrollEl):0,r=o?this.getTopPosition(n)-l:this.getTopPosition(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight,p=r+n.offsetHeight;s.offset=o?0:l+e.stickyBitStickyOffset,s.stickyStart=a?r-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?p-(i.offsetHeight+s.offset):p-window.innerHeight},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(r){function t(t){t()}var c=this,p=r,f=p.props,s=p.state,e=p.stateChange,i=p.stickyStart,n=p.stickyChange,o=p.stickyStop,u=f.positionVal,a=f.scrollEl,y=f.stickyClass,h=f.stickyChangeClass,d=f.stuckClass,g=f.verticalPosition,l="bottom"!==g,k=f.applyStyle,m=f.noStyles,v=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||t,C=this.isWin?window.scrollY||window.pageYOffset:a.scrollTop,S=l&&C<=i&&("sticky"===s||"stuck"===s),w=o<=C&&"sticky"===s;i<C&&C<o&&("default"===s||"stuck"===s)?p.state="sticky":S?p.state="default":w&&(p.state="stuck");var x=n<=C&&C<=o;C<n/2||o<C?p.stateChange="default":x&&(p.stateChange="sticky"),s===p.state&&e===p.stateChange||v(function(){var t,s,e,i,n,o,a={sticky:{styles:((t={position:u,top:"",bottom:""})[g]=f.stickyBitStickyOffset+"px",t),classes:((s={})[y]=!0,s)},default:{styles:((e={})[g]="",e),classes:{}},stuck:{styles:b(((i={})[g]="",i),"fixed"===u&&!m||!c.isWin?{position:"absolute",top:"",bottom:"0"}:{}),classes:((n={})[d]=!0,n)}};"fixed"===u&&(a.default.styles.position="");var l=a[p.state];l.classes=((o={})[d]=!!l.classes[d],o[y]=!!l.classes[y],o[h]=x,o),k(l,r)})},s.applyStyle=function(t,s){var e=t.styles,i=t.classes,n=s.el,o=s.props,a=n.style,l=o.noStyles,r=n.className.split(" ");for(var c in i){if(i[c])-1===r.indexOf(c)&&r.push(c);else{var p=r.indexOf(c);-1!==p&&r.splice(p,1)}}if(n.className=r.join(" "),e.position&&(a.position=e.position),!l)for(var f in e)a[f]=e[f]},s.update=function(e){var i=this;return void 0===e&&(e=null),this.instances.forEach(function(t){if(i.computeScrollOffsets(t),e)for(var s in e)t.props[s]=e[s]}),this},s.removeInstance=function(t){var s,e,i=t.el,n=t.props;this.applyStyle({styles:((s={position:""})[n.verticalPosition]="",s),classes:((e={})[n.stickyClass]="",e[n.stuckClass]="",e)},t),this.toggleClasses(i.parentNode,n.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.stateContainer&&s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();return function(t,s){return new e(t,s)}});
+!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?module.exports=s():"function"==typeof define&&define.amd?define(s):(t=t||self).stickybits=s()}(this,function(){"use strict";function b(){return(b=Object.assign||function(t){for(var s=1;s<arguments.length;s++){var e=arguments[s];for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i])}return t}).apply(this,arguments)}var e=function(){function t(t,s){var e=this,i=void 0!==s?s:{};this.version="3.7.8",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:i.customStickyChangeNumber||null,noStyles:i.noStyles||!1,stickyBitStickyOffset:i.stickyBitStickyOffset||0,parentClass:i.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof i.scrollEl?document.querySelector(i.scrollEl):i.scrollEl||window,stickyClass:i.stickyClass||"js-is-sticky",stuckClass:i.stuckClass||"js-is-stuck",stickyChangeClass:i.stickyChangeClass||"js-is-sticky--change",useStickyClasses:i.useStickyClasses||!1,useFixed:i.useFixed||!1,useGetBoundingClientRect:i.useGetBoundingClientRect||!1,verticalPosition:i.verticalPosition||"top",applyStyle:i.applyStyle||function(t,s){return e.applyStyle(t,s)}},this.props.positionVal=this.definePosition()||"fixed",this.instances=[];var n=this.props,o=n.positionVal,a=n.verticalPosition,l=n.noStyles,r=n.stickyBitStickyOffset,c="top"!==a||l?"":r+"px",p="fixed"!==o?o:"";this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]);for(var f=0;f<this.els.length;f++){var u,y=this.els[f],h=this.addInstance(y,this.props);this.props.applyStyle({styles:((u={})[a]=c,u.position=p,u),classes:{}},h),this.manageState(h),this.instances.push(h)}}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};if("fixed"===s.positionVal||s.useStickyClasses){this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);this.computeScrollOffsets(i),this.toggleClasses(i.parent,"",s.parentClass),i.state="default",i.stateChange="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer)}return i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getTopPosition=function(t){if(this.props.useGetBoundingClientRect)return t.getBoundingClientRect().top+(this.props.scrollEl.pageYOffset||document.documentElement.scrollTop);for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,l=o?this.getTopPosition(e.scrollEl):0,r=o?this.getTopPosition(n)-l:this.getTopPosition(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight,p=r+n.offsetHeight;s.offset=o?0:l+e.stickyBitStickyOffset,s.stickyStart=a?r-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?p-(i.offsetHeight+s.offset):p-window.innerHeight},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(r){function t(t){t()}var c=this,p=r,f=p.props,s=p.state,e=p.stateChange,i=p.stickyStart,n=p.stickyChange,o=p.stickyStop,u=f.positionVal,a=f.scrollEl,y=f.stickyClass,h=f.stickyChangeClass,d=f.stuckClass,g=f.verticalPosition,l="bottom"!==g,k=f.applyStyle,m=f.noStyles,v=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||t,C=this.isWin?window.scrollY||window.pageYOffset:a.scrollTop,S=l&&C<=i&&("sticky"===s||"stuck"===s),w=o<=C&&"sticky"===s;i<C&&C<o&&("default"===s||"stuck"===s)?p.state="sticky":S?p.state="default":w&&(p.state="stuck");var x=n<=C&&C<=o;C<n/2||o<C?p.stateChange="default":x&&(p.stateChange="sticky"),s===p.state&&e===p.stateChange||v(function(){var t,s,e,i,n,o,a={sticky:{styles:((t={position:u,top:"",bottom:""})[g]=f.stickyBitStickyOffset+"px",t),classes:((s={})[y]=!0,s)},default:{styles:((e={})[g]="",e),classes:{}},stuck:{styles:b(((i={})[g]="",i),"fixed"===u&&!m||!c.isWin?{position:"absolute",top:"",bottom:"0"}:{}),classes:((n={})[d]=!0,n)}};"fixed"===u&&(a.default.styles.position="");var l=a[p.state];l.classes=((o={})[d]=!!l.classes[d],o[y]=!!l.classes[y],o[h]=x,o),k(l,r)})},s.applyStyle=function(t,s){var e=t.styles,i=t.classes,n=s.el,o=s.props,a=n.style,l=o.noStyles,r=n.className.split(" ");for(var c in i){if(i[c])-1===r.indexOf(c)&&r.push(c);else{var p=r.indexOf(c);-1!==p&&r.splice(p,1)}}if(n.className=r.join(" "),e.position&&(a.position=e.position),!l)for(var f in e)a[f]=e[f]},s.update=function(e){var i=this;return void 0===e&&(e=null),this.instances.forEach(function(t){if(i.computeScrollOffsets(t),e)for(var s in e)t.props[s]=e[s]}),this},s.removeInstance=function(t){var s,e,i=t.el,n=t.props;this.applyStyle({styles:((s={position:""})[n.verticalPosition]="",s),classes:((e={})[n.stickyClass]="",e[n.stuckClass]="",e)},t),this.toggleClasses(i.parentNode,n.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.stateContainer&&s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();return function(t,s){return new e(t,s)}});
diff --git a/dist/umbrella.stickybits.js b/dist/umbrella.stickybits.js
index 3f914c90..d827f113 100644
--- a/dist/umbrella.stickybits.js
+++ b/dist/umbrella.stickybits.js
@@ -1,6 +1,6 @@
 /**
   stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
-  @version v3.7.7
+  @version v3.7.8
   @link https://github.com/yowainwright/stickybits#readme
   @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)
   @license MIT
@@ -88,7 +88,7 @@
       var _this = this;
 
       var o = typeof obj !== 'undefined' ? obj : {};
-      this.version = '3.7.7';
+      this.version = '3.7.8';
       this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
       this.props = {
         customStickyChangeNumber: o.customStickyChangeNumber || null,
diff --git a/package.json b/package.json
index 478b38e6..66b98fd6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stickybits",
-  "version": "3.7.7",
+  "version": "3.7.8",
   "description": "Stickybits is a lightweight alternative to `position: sticky` polyfills",
   "main": "dist/stickybits.js",
   "module": "dist/stickybits.es.js",