diff --git a/changedetectionio/__init__.py b/changedetectionio/__init__.py
index bcc39fdd..e3833976 100644
--- a/changedetectionio/__init__.py
+++ b/changedetectionio/__init__.py
@@ -38,7 +38,7 @@ from flask_paginate import Pagination, get_page_parameter
 from changedetectionio import html_tools
 from changedetectionio.api import api_v1
 
-__version__ = '0.45.8'
+__version__ = '0.45.8.1'
 
 from changedetectionio.store import BASE_URL_NOT_SET_TEXT
 
diff --git a/changedetectionio/processors/__init__.py b/changedetectionio/processors/__init__.py
index 10c9138c..efccea49 100644
--- a/changedetectionio/processors/__init__.py
+++ b/changedetectionio/processors/__init__.py
@@ -52,6 +52,11 @@ class difference_detection_processor():
                 prefer_fetch_backend = 'base_html_playwright'
                 browser_connection_url = connection[0].get('browser_connection_url')
 
+        # PDF should be html_requests because playwright will serve it up (so far) in a embedded page
+        # @todo https://github.com/dgtlmoon/changedetection.io/issues/2019
+        # @todo needs test to or a fix
+        if self.watch.is_pdf:
+           prefer_fetch_backend = "html_requests"
 
         # Grab the right kind of 'fetcher', (playwright, requests, etc)
         if hasattr(content_fetcher, prefer_fetch_backend):
diff --git a/changedetectionio/static/js/vis.js b/changedetectionio/static/js/vis.js
index 6a11904f..edcacfb6 100644
--- a/changedetectionio/static/js/vis.js
+++ b/changedetectionio/static/js/vis.js
@@ -2,21 +2,28 @@ $(document).ready(function () {
 
     // Lazy Hide/Show elements mechanism
     $('[data-visible-for]').hide();
-    $(':radio').on('keyup keypress blur change click', function (e) {
-        $('[data-visible-for]').hide();
-        $('.advanced-options').hide();
-        var n = $(this).attr('name') + "=" + $(this).val();
+    function show_related_elem(e) {
+        var n = $(e).attr('name') + "=" + $(e).val();
         if (n === 'fetch_backend=system') {
             n = "fetch_backend=" + default_system_fetch_backend;
         }
         $(`[data-visible-for~="${n}"]`).show();
-
+    }
+    $(':radio').on('keyup keypress blur change click', function (e) {
+        $(`[data-visible-for]`).hide();
+        $('.advanced-options').hide();
+        show_related_elem(this);
     });
-    $(':radio:checked').change();
+
+    $(':radio:checked').each(function (e) {
+       show_related_elem(this);
+    })
 
 
     // Show advanced
     $('.show-advanced').click(function (e) {
-        $(this).closest('.tab-pane-inner').find('.advanced-options').toggle();
+        $(this).closest('.tab-pane-inner').find('.advanced-options').each(function (e) {
+            $(this).toggle();
+        })
     });
 });
\ No newline at end of file
diff --git a/changedetectionio/static/js/watch-settings.js b/changedetectionio/static/js/watch-settings.js
index 25b3f2d2..22bf48ed 100644
--- a/changedetectionio/static/js/watch-settings.js
+++ b/changedetectionio/static/js/watch-settings.js
@@ -1,18 +1,4 @@
 $(document).ready(function () {
-
-    // Lazy Hide/Show elements mechanism
-    $('[data-visible-for]').hide();
-    $(':radio').on('keyup keypress blur change click', function (e){
-        $('[data-visible-for]').hide();
-        var n = $(this).attr('name') + "=" + $(this).val();
-        if (n === 'fetch_backend=system') {
-            n = "fetch_backend=" + default_system_fetch_backend;
-        }
-        $(`[data-visible-for~="${n}"]`).show();
-
-    });
-    $(':radio:checked').change();
-
     $('#notification-setting-reset-to-default').click(function (e) {
         $('#notification_title').val('');
         $('#notification_body').val('');
diff --git a/changedetectionio/templates/edit.html b/changedetectionio/templates/edit.html
index ff3769ab..103f57af 100644
--- a/changedetectionio/templates/edit.html
+++ b/changedetectionio/templates/edit.html
@@ -127,7 +127,7 @@
                 {% endif %}
 
                 <!-- webdriver always -->
-                <fieldset data-visible-for="fetch_backend=html_webdriver">
+                <fieldset data-visible-for="fetch_backend=html_webdriver"  style="display: none;">
                     <div class="pure-control-group">
                         {{ render_field(form.webdriver_delay) }}
                         <div class="pure-form-message-inline">
@@ -153,15 +153,15 @@
                     </div>
                 </fieldset>
                 <!-- html requests always -->
-                <fieldset data-visible-for="fetch_backend=html_requests" style="display: none;">
+                <fieldset data-visible-for="fetch_backend=html_requests">
                     <div class="pure-control-group">
                         <a class="pure-button button-secondary button-xsmall show-advanced">Show advanced options</a>
                     </div>
                     <div class="advanced-options"  style="display: none;">
-                        <div class="pure-control-group advanced-options" id="request-method" style="display: none;">
+                        <div class="pure-control-group" id="request-method">
                             {{ render_field(form.method) }}
                         </div>
-                        <div class="advanced-options" id="request-body">
+                        <div id="request-body">
                                             {{ render_field(form.body, rows=5, placeholder="Example
 {
    \"name\":\"John\",
@@ -187,8 +187,8 @@ User-Agent: wonderbra 1.0") }}
                             (Not supported by Selenium browser)
                         </div>
                     </div>
-            <fieldset data-visible-for="fetch_backend=html_requests fetch_backend=html_webdriver" style="display: none;">
-                    <div  class="pure-control-group inline-radio advanced-options"  style="display: none;">
+            <fieldset data-visible-for="fetch_backend=html_requests fetch_backend=html_webdriver" >
+                    <div class="pure-control-group inline-radio advanced-options"  style="display: none;">
                     {{ render_checkbox_field(form.ignore_status_codes) }}
                     </div>
             </fieldset>
diff --git a/changedetectionio/templates/settings.html b/changedetectionio/templates/settings.html
index 44dec3c7..ef93069e 100644
--- a/changedetectionio/templates/settings.html
+++ b/changedetectionio/templates/settings.html
@@ -236,8 +236,11 @@ nav
                 <span class="pure-form-message-inline">SOCKS5 proxies with authentication are only supported with 'plain requests' fetcher, for other fetchers you should whitelist the IP access instead</span>
                 </div>
                 <div class="pure-control-group" id="extra-browsers-setting">
-                    <span class="pure-form-message-inline"><i>Extra Browsers</i> allow changedetection.io to communicate with a different web-browser.</span><br>
-                  {{ render_field(form.requests.form.extra_browsers) }}
+                    <p>
+                    <span class="pure-form-message-inline"><i>Extra Browsers</i> can be attached to further defeat CAPTCHA's on websites that are particularly hard to scrape.</span><br>
+                    <span class="pure-form-message-inline">Simply paste the connection address into the box, <a href="https://changedetection.io/tutorial/using-bright-datas-scraping-browser-pass-captchas-and-other-protection-when-monitoring">More instructions and examples here</a> </span>
+                    </p>
+                    {{ render_field(form.requests.form.extra_browsers) }}
                 </div>
             </div>
             <div id="actions">