diff --git a/dist/imgix-js-core.umd.js b/dist/imgix-js-core.umd.js
index 1540a972..16526e63 100644
--- a/dist/imgix-js-core.umd.js
+++ b/dist/imgix-js-core.umd.js
@@ -1 +1 @@
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Found min: ".concat(t," and max: ").concat(e,"."))}function ut(t){if("number"!=typeof t||t<.01)throw new Error("The srcset widthTolerance must be a number greater than or equal to 0.01")}function st(t){var e=t.url,e=void 0===e?"":e,t=t.useHttps,t=void 0!==t&&t?"https://":"http://";return Y(e,!0)?et(e):st({url:t+e})}return function(){function u(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};if(!function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,u),this.settings=s(s({},it),t),this.targetWidthsCache={},"string"!=typeof this.settings.domain)throw new Error("ImgixClient must be passed a valid string domain");if(null==nt.exec(this.settings.domain))throw new Error('Domain must be passed in as fully-qualified domain name and should not include a protocol or any path element, i.e. "example.imgix.net".');this.settings.includeLibraryParam&&(this.settings.libraryParam="js-"+u.version()),this.settings.urlPrefix=this.settings.useHTTPS?"https://":"http://"}var t,e,r;return t=u,r=[{key:"version",value:function(){return"3.3.0"}},{key:"_buildURL",value:function(t){var e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{};if(null==t)return"";var n=st({url:t,useHTTPS:r.useHTTPS}),o=n.host,t=n.pathname,e=s(s({},tt(n.search)),e);if(!o.length||!t.length)throw new Error("_buildURL: URL must match {host}/{pathname}?{query}");return new u(s({domain:o},r)).buildURL(t,e)}},{key:"_buildSrcSet",value:function(t){var e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{},n=3<arguments.length&&void 0!==arguments[3]?arguments[3]:{};if(null==t)return"";var o=st({url:t,useHTTPS:n.useHTTPS}),i=o.host,t=o.pathname,e=s(s({},tt(o.search)),e);if(!i.length||!t.length)throw new Error("_buildOneStepURL: URL must match {host}/{pathname}?{query}");return new u(s({domain:i},n)).buildSrcSet(t,e,r)}},{key:"targetWidths",value:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:100,e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:8192,r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:.08,n=3<arguments.length&&void 0!==arguments[3]?arguments[3]:{},o=Math.floor(t),i=Math.floor(e);at(t,e),ut(r);e=r+"/"+o+"/"+i;if(e in n)return n[e];if(o===i)return[o];for(var a=[],u=o;u<i;)a.push(Math.round(u)),u*=1+2*r;return a[a.length-1]<i&&a.push(i),n[e]=a}}],(e=[{key:"buildURL",value:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:"",e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},t=this._sanitizePath(t),e=this._buildParams(e);return this.settings.secureURLToken&&(e=this._signParams(t,e)),this.settings.urlPrefix+this.settings.domain+t+e}},{key:"_buildParams",value:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{},t=[].concat(l(this.settings.libraryParam?["ixlib=".concat(this.settings.libraryParam)]:[]),l(Object.entries(t).reduce(function(t,e){var r=c(e,2),n=r[0],e=r[1];if(null==e)return t;r=encodeURIComponent(n),e="64"===n.substr(-2)?G.encodeURI(e):encodeURIComponent(e);return t.push("".concat(r,"=").concat(e)),t},[])));return"".concat(0<t.length?"?":"").concat(t.join("&"))}},{key:"_signParams",value:function(t,e){t=this.settings.secureURLToken+t+e,t=d(t);return 0<e.length?e+"&s="+t:"?s="+t}},{key:"_sanitizePath",value:function(t){t=t.replace(/^\//,"");return"/"+(t=/^https?:\/\//.test(t)?encodeURIComponent(t):encodeURI(t).replace(/[#?:+]/g,encodeURIComponent))}},{key:"buildSrcSet",value:function(t){var e=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},r=2<arguments.length&&void 0!==arguments[2]?arguments[2]:{},n=e.w,o=e.h;return n||o?this._buildDPRSrcSet(t,e,r):this._buildSrcSetPairs(t,e,r)}},{key:"_buildSrcSetPairs",value:function(e,r,t){var n,o,i=this,o=c((o=void 0!==(n=t).widthTolerance?(ut(n.widthTolerance),n.widthTolerance):.08,a=void 0===n.minWidth?100:n.minWidth,n=void 0===n.maxWidth?8192:n.maxWidth,100==a&&8192==n||at(a,n),[o,a,n]),3),a=o[0],n=o[1],o=o[2],a=t.widths?(function(t){if(!Array.isArray(t)||!t.length)throw new Error("The widths argument can only be passed a valid non-empty array of integers");if(!t.every(function(t){return Number.isInteger(t)&&0<t}))throw new Error("A custom widths argument can only contain positive integer values")}(t.widths),l(t.widths)):u.targetWidths(n,o,a,this.targetWidthsCache);return a.map(function(t){return"".concat(i.buildURL(e,s(s({},r),{},{w:t}))," ").concat(t,"w")}).join(",\n")}},{key:"_buildDPRSrcSet",value:function(r,n,t){var o=this,e=[1,2,3,4,5],t=t.disableVariableQuality||!1;t||function(t){if("boolean"!=typeof t)throw new Error("The disableVariableQuality argument can only be passed a Boolean value")}(t);return(t?e.map(function(t){return"".concat(o.buildURL(r,s(s({},n),{},{dpr:t}))," ").concat(t,"x")}):e.map(function(t){return e=n,t=t,"".concat(o.buildURL(r,s(s({},e),{},{dpr:t,q:e.q||ot[t]}))," ").concat(t,"x");var e})).join(",\n")}}])&&n(t.prototype,e),r&&n(t,r),u}()});
diff --git a/dist/index.cjs.js b/dist/index.cjs.js
index 6da39181..c0b6e3b9 100644
--- a/dist/index.cjs.js
+++ b/dist/index.cjs.js
@@ -159,7 +159,7 @@ function _nonIterableRest() {
 }
 
 // package version used in the ix-lib parameter
-var VERSION = '3.3.0-rc.1'; // regex pattern used to determine if a domain is valid
+var VERSION = '3.3.0'; // regex pattern used to determine if a domain is valid
 
 var DOMAIN_REGEX = /^(?:[a-z\d\-_]{1,62}\.){0,125}(?:[a-z\d](?:\-(?=\-*[a-z\d])|[a-z]|\d){0,62}\.)[a-z\d]{1,63}$/i; // minimum generated srcset width
 
diff --git a/dist/index.d.ts b/dist/index.d.ts
index 1565703e..ad4752d6 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -16,7 +16,12 @@ declare class ImgixClient {
   _sanitizePath(path: string): string;
   _buildParams(params: {}): string;
   _signParams(path: string, queryParams?: {}): string;
-  static _buildSrcSet(path: string, params?: {}, options?: {}): string;
+  static _buildSrcSet(
+    path: string,
+    params?: {},
+    srcSetOptions?: {},
+    clientOptions?: {},
+  ): string;
   buildSrcSet(path: string, params?: {}, options?: SrcSetOptions): string;
   _buildSrcSetPairs(path: string, params?: {}, options?: SrcSetOptions): string;
   _buildDPRSrcSet(path: string, params?: {}, options?: SrcSetOptions): string;
diff --git a/dist/index.esm.js b/dist/index.esm.js
index e1cd18de..c6db408a 100644
--- a/dist/index.esm.js
+++ b/dist/index.esm.js
@@ -153,7 +153,7 @@ function _nonIterableRest() {
 }
 
 // package version used in the ix-lib parameter
-var VERSION = '3.3.0-rc.1'; // regex pattern used to determine if a domain is valid
+var VERSION = '3.3.0'; // regex pattern used to determine if a domain is valid
 
 var DOMAIN_REGEX = /^(?:[a-z\d\-_]{1,62}\.){0,125}(?:[a-z\d](?:\-(?=\-*[a-z\d])|[a-z]|\d){0,62}\.)[a-z\d]{1,63}$/i; // minimum generated srcset width
 
diff --git a/package.json b/package.json
index f534b1b6..3ec09997 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@imgix/js-core",
   "description": "A JavaScript client library for generating image URLs with imgix",
-  "version": "3.3.0",
+  "version": "3.3.1-rc.1",
   "repository": "https://github.com/imgix/js-core",
   "license": "BSD-2-Clause",
   "main": "dist/index.cjs.js",
diff --git a/src/constants.js b/src/constants.js
index cf7fd9ca..892c8603 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -1,5 +1,5 @@
 // package version used in the ix-lib parameter
-export const VERSION = '3.3.0';
+export const VERSION = '3.3.1-rc.1';
 // regex pattern used to determine if a domain is valid
 export const DOMAIN_REGEX = /^(?:[a-z\d\-_]{1,62}\.){0,125}(?:[a-z\d](?:\-(?=\-*[a-z\d])|[a-z]|\d){0,62}\.)[a-z\d]{1,63}$/i;
 // minimum generated srcset width