diff --git a/wp-admin/js/plugin-install.js b/wp-admin/js/plugin-install.js
index 4cd1bb8eb4..8954766838 100644
--- a/wp-admin/js/plugin-install.js
+++ b/wp-admin/js/plugin-install.js
@@ -11,7 +11,9 @@ jQuery( document ).ready( function( $ ) {
 		$iframeBody,
 		$tabbables,
 		$firstTabbable,
-		$lastTabbable;
+		$lastTabbable,
+		uploadViewToggle = $( '.upload-view-toggle' ),
+		$body = $( document.body );
 
 	tb_position = function() {
 		var width = $( window ).width(),
@@ -53,7 +55,7 @@ jQuery( document ).ready( function( $ ) {
 	 * Custom events: when a Thickbox iframe has loaded and when the Thickbox
 	 * modal gets removed from the DOM.
 	 */
-	$( 'body' )
+	$body
 		.on( 'thickbox:iframe:loaded', tbWindow, function() {
 			iframeLoaded();
 		})
@@ -180,19 +182,21 @@ jQuery( document ).ready( function( $ ) {
 	/*
 	 * When a user presses the "Upload Plugin" button, show the upload form in place
 	 * rather than sending them to the devoted upload plugin page.
-	 * @todo consider to abstract this in a generic, reusable, utility, see theme.js
+	 * The `?tab=upload` page still exists for no-js support and for plugins that
+	 * might access it directly (?). When we're in this page, let the link behave
+	 * like a link. Otherwise we're in the normal plugin installer pages and the
+	 * link should behave like a toggle button.
 	 */
-	var uploadViewToggle = $( '.upload-view-toggle' ),
-		$body = $( document.body );
-
-	uploadViewToggle
-		.attr({
-			role: 'button',
-			'aria-expanded': 'false'
-		})
-		.on( 'click', function( event ) {
-			event.preventDefault();
-			$body.toggleClass( 'show-upload-view' );
-			uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
-		});
+	if ( ! uploadViewToggle.hasClass( 'upload-tab' ) ) {
+		uploadViewToggle
+			.attr({
+				role: 'button',
+				'aria-expanded': 'false'
+			})
+			.on( 'click', function( event ) {
+				event.preventDefault();
+				$body.toggleClass( 'show-upload-view' );
+				uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
+			});
+	}
 });
diff --git a/wp-admin/js/plugin-install.min.js b/wp-admin/js/plugin-install.min.js
index 2cca19cc82..628cb6ad97 100644
--- a/wp-admin/js/plugin-install.min.js
+++ b/wp-admin/js/plugin-install.min.js
@@ -1 +1 @@
-var tb_position;jQuery(document).ready(function(a){function b(){var b=e.find("#TB_iframeContent");g=b.contents().find("body"),c(),i.focus(),a("#plugin-information-tabs a",g).on("click",function(){c()}),g.on("keydown",function(a){27===a.which&&tb_remove()})}function c(){var b;h=a(":tabbable",g),i=e.find("#TB_closeWindowButton"),j=h.last(),b=i.add(j),b.off("keydown.wp-plugin-details"),b.on("keydown.wp-plugin-details",function(a){d(a)})}function d(a){9===a.which&&(j[0]!==a.target||a.shiftKey?i[0]===a.target&&a.shiftKey&&(a.preventDefault(),j.focus()):(a.preventDefault(),i.focus()))}var e,f,g,h,i,j;tb_position=function(){var b=a(window).width(),c=a(window).height()-(b>792?60:20),d=b>792?772:b-20;return e=a("#TB_window"),e.length&&(e.width(d).height(c),a("#TB_iframeContent").width(d).height(c),e.css({"margin-left":"-"+parseInt(d/2,10)+"px"}),"undefined"!=typeof document.body.style.maxWidth&&e.css({top:"30px","margin-top":"0"})),a("a.thickbox").each(function(){var b=a(this).attr("href");b&&(b=b.replace(/&width=[0-9]+/g,""),b=b.replace(/&height=[0-9]+/g,""),a(this).attr("href",b+"&width="+d+"&height="+c))})},a(window).resize(function(){tb_position()}),a("body").on("thickbox:iframe:loaded",e,function(){b()}).on("thickbox:removed",function(){f.focus()}),a(".thickbox.open-plugin-details-modal").on("click",function(b){var c=a(this).data("title")?plugininstallL10n.plugin_information+" "+a(this).data("title"):plugininstallL10n.plugin_modal_label;b.preventDefault(),b.stopPropagation(),f=a(this),tb_click.call(this),e.attr({role:"dialog","aria-label":plugininstallL10n.plugin_modal_label}),e.find("#TB_iframeContent").attr("title",c)}),a("#plugin-information-tabs a").click(function(b){var c=a(this).attr("name");b.preventDefault(),a("#plugin-information-tabs a.current").removeClass("current"),a(this).addClass("current"),"description"!==c&&a(window).width()<772?a("#plugin-information-content").find(".fyi").hide():a("#plugin-information-content").find(".fyi").show(),a("#section-holder div.section").hide(),a("#section-"+c).show()});var k=a(".upload-view-toggle"),l=a(document.body);k.attr({role:"button","aria-expanded":"false"}).on("click",function(a){a.preventDefault(),l.toggleClass("show-upload-view"),k.attr("aria-expanded",l.hasClass("show-upload-view"))})});
\ No newline at end of file
+var tb_position;jQuery(document).ready(function(a){function b(){var b=e.find("#TB_iframeContent");g=b.contents().find("body"),c(),i.focus(),a("#plugin-information-tabs a",g).on("click",function(){c()}),g.on("keydown",function(a){27===a.which&&tb_remove()})}function c(){var b;h=a(":tabbable",g),i=e.find("#TB_closeWindowButton"),j=h.last(),b=i.add(j),b.off("keydown.wp-plugin-details"),b.on("keydown.wp-plugin-details",function(a){d(a)})}function d(a){9===a.which&&(j[0]!==a.target||a.shiftKey?i[0]===a.target&&a.shiftKey&&(a.preventDefault(),j.focus()):(a.preventDefault(),i.focus()))}var e,f,g,h,i,j,k=a(".upload-view-toggle"),l=a(document.body);tb_position=function(){var b=a(window).width(),c=a(window).height()-(b>792?60:20),d=b>792?772:b-20;return e=a("#TB_window"),e.length&&(e.width(d).height(c),a("#TB_iframeContent").width(d).height(c),e.css({"margin-left":"-"+parseInt(d/2,10)+"px"}),"undefined"!=typeof document.body.style.maxWidth&&e.css({top:"30px","margin-top":"0"})),a("a.thickbox").each(function(){var b=a(this).attr("href");b&&(b=b.replace(/&width=[0-9]+/g,""),b=b.replace(/&height=[0-9]+/g,""),a(this).attr("href",b+"&width="+d+"&height="+c))})},a(window).resize(function(){tb_position()}),l.on("thickbox:iframe:loaded",e,function(){b()}).on("thickbox:removed",function(){f.focus()}),a(".thickbox.open-plugin-details-modal").on("click",function(b){var c=a(this).data("title")?plugininstallL10n.plugin_information+" "+a(this).data("title"):plugininstallL10n.plugin_modal_label;b.preventDefault(),b.stopPropagation(),f=a(this),tb_click.call(this),e.attr({role:"dialog","aria-label":plugininstallL10n.plugin_modal_label}),e.find("#TB_iframeContent").attr("title",c)}),a("#plugin-information-tabs a").click(function(b){var c=a(this).attr("name");b.preventDefault(),a("#plugin-information-tabs a.current").removeClass("current"),a(this).addClass("current"),"description"!==c&&a(window).width()<772?a("#plugin-information-content").find(".fyi").hide():a("#plugin-information-content").find(".fyi").show(),a("#section-holder div.section").hide(),a("#section-"+c).show()}),k.hasClass("upload-tab")||k.attr({role:"button","aria-expanded":"false"}).on("click",function(a){a.preventDefault(),l.toggleClass("show-upload-view"),k.attr("aria-expanded",l.hasClass("show-upload-view"))})});
\ No newline at end of file
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 0335500840..9c4fb7f26b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37680';
+$wp_version = '4.6-alpha-37681';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.