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diff --git a/files/th/mozilla/firefox/index.html b/files/th/mozilla/firefox/index.html
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@@ -0,0 +1,67 @@
+---
+title: Firefox
+slug: Mozilla/Firefox
+tags:
+  - m
+translation_of: Mozilla/Firefox
+---
+<div>{{FirefoxSidebar}}</div>
+
+<p>0<a href="http://www.mozilla.org/en-US/firefox/new/" title="http://www.mozilla.org/en-US/products/download.html">Firefox</a> คือเว็บเบาร์เซอร์ยอดนิยมจากโมซิลล่า, เข้าถึงได้หลากหลายแฟลตฟอร์มร่วมด้วย GNU/Linux, Mac OS X และ บนวินโดวส์เดสก์ท็อป, รวมไปถึงบนโทรศัพท์มือถือแอนดรอยด์. ซึ่งเข้ากันได้กับเทคโนโลยีเว็บล่าสุด และ<a href="/en-US/docs/Tools">เครื่องมือพัฒนา</a>ที่มีสมรรถภาพสูง, Firefox เป็นเว็บเบราเซอร์ ที่ดีที่สุดสำหรับนักพัฒนาเว็บ และผู้ใช้งานทุกคน</p>
+
+<p>Firefox คือ โครงการ <span class="short_text" id="result_box" lang="th"><span class="hps">โอเพนซอร์ส </span></span>; โค้ดต่างๆมากมายถูกทำขึ้นโดย ชุมชนอาสาสมัครขนาดใหญ่ของเรา ที่นี่คุณจะได้เรียนรู้ การสร้างสรรค์และสนับสนุน โครงการจาก FireFox , แต่คุณยังสามารถค้นหาลิงค์ ข้อมูลเกี่ยวกับการสร้าง ส่วนเสริม บน FireFox ผ่านเครื่องมือพัฒนาใน FireFox และ อื่นๆ</p>
+
+<div class="row topicpage-table">
+<div class="section">
+<h2 class="Documentation" id="Docs_for_add-on_developers" name="Docs_for_add-on_developers">เอกสาร add-on สำหรับนักพัฒนา</h2>
+
+<dl>
+ <dt><a href="/en-US/add-ons">ส่วนเสริม</a></dt>
+ <dd>เอกสารทั้งหมด เกี่ยวกับการสร้าง ส่วนเสริม สำหรับ FireFox</dd>
+ <dt><a href="https://addons.mozilla.org/en-US/developers/docs/sdk/latest/" title="https://addons.mozilla.org/en-US/developers/docs/sdk/latest/">ส่วนเสริม SDK</a></dt>
+ <dd>Firefox SDK คือทางเลือกใหม่, มีสมรรถภาพสูง, และง่ายกว่าเก่า ในการใช้ SDK สำหรับ การสร้างส่วนขยายของ FireFox คุณควรลองใช้สิ่งนี้แทน ส่วนเสริม แบบเก่าถ้าเป็นไปได้</dd>
+ <dt><a href="/en-US/docs/Extensions" title="/en-US/docs/Extensions">ส่วนขยาย</a></dt>
+ <dd>เอกสาร สำหรับผู้พัฒนาส่วนขยายของ FireFox</dd>
+ <dt><a href="/en-US/docs/Mozilla/Firefox/Releases" title="/en-US/docs/Mozilla/Firefox/Releases">จดหมายเปิดผนึกสำหรับนักพัฒนา</a></dt>
+ <dd>แต่ละจดหมายที่ถูกเปิดผนึก จะมาพร้อมกับข้อมูล คุณลักษณะใหม่ๆ และสร้างการเปลี่ยนแปลงต่อนักพัฒนาทุกสาย  เช็คจดหมายของเรา เหล่านักพัฒนากัน!</dd>
+</dl>
+
+<p>i<span class="alllinks"><a href="/en-US/docs/tag/Addons">ดูทั้งหมด.....</a></span></p>
+
+<h2 class="Documentation" id="Docs_for_Firefox_developers" name="Docs_for_Firefox_developers">เอกสารสำหรับ นักพัฒนา FireFox</h2>
+
+<dl>
+ <dt><a href="/en-US/docs/Mozilla/Firefox/Releases" title="/en-US/docs/Mozilla/Firefox/Releases">จดหมายเปิดผนึกสำหรับนักพัฒนา</a></dt>
+ <dd>แต่ละจดหมายที่ถูกเปิดผนึก จะมาพร้อมกับข้อมูล คุณลักษณะใหม่ๆ และสร้างการเปลี่ยนแปลงต่อนักพัฒนาทุกสาย  เช็คจดหมายของเรา เหล่านักพัฒนากัน!</dd>
+ <dt><a href="/en-US/docs/Developer_Guide" title="/en-US/docs/Developer_Guide">แนะแนวทางสำหรับ ผู้พัฒนา</a></dt>
+ <dd>แนวทางนักพัฒนาของโมซิลล่า; ทำความเข้าใจกับข้อมูล-เอกสาร สำหรับการเข้าร่วมและเป็นส่วนหนึ่ง ในโครงการของโมซิลล่า</dd>
+ <dt><a href="/en-US/docs/Mozilla" title="/en-US/docs/Mozilla">เอกสารโครงการ โมซิลล่า</a></dt>
+ <dd>โครงการของโมซิลล่า เป็นโครงการใหญ่และซับซ้อน ; ตรวจสอบเอกสารทั้งหมดของทุกๆโครงการ</dd>
+</dl>
+
+<p><span class="alllinks"><a href="/en-US/docs/tag/Firefox">ดูทั้งหมด...</a></span></p>
+</div>
+
+<div class="section">
+<h2 class="Community" id="Community" name="Community">ชุมชนนักพัฒนา FireFox</h2>
+
+<p>คุณเป็นนักพัฒนาของ FireFox ใช่ใหม? คุณต้องการจะเป็นใช่ใหม?</p>
+
+<ul>
+ <li>ถามคำถามของคุณบนช่องโมซิลล่า IRC   : <a class="link-irc" href="irc://irc.mozilla.org/developers">#นักพัฒนา</a></li>
+</ul>
+
+<dl>
+ <dt><a href="https://mail.mozilla.com/home/akeybl@mozilla.com/Release%20Management.html" title="https://mail.mozilla.com/home/akeybl@mozilla.com/Release%20Management.html">ปฏิทินใหม่</a></dt>
+ <dd>Firefox ได้พัฒนาเสร็จตามตารางเวลา 6 สัปดาห์ ; นี่คือรุ่นใหม่ ที่ถูกปล่อยออกมาทุกๆ 6 สัปดาห์ ตรวจสอบตารางเวลาของเรา, หรือ <a href="https://mail.mozilla.com/home/akeybl@mozilla.com/Release%20Management.ics" title="https://mail.mozilla.com/home/akeybl@mozilla.com/Release%20Management.ics">หรือลงชื่อติดตามปฏิทิน iCal</a></dd>
+</dl>
+
+<p><span class="alllinks"><a class="external" href="http://www.catb.org/~esr/faqs/smart-questions.html" title="http://www.catb.org/~esr/faqs/smart-questions.html"><em>อย่าลืมสำหรับ มรรยาทของชุมชน</em>...</a></span></p>
+
+<h2 class="Related_Topics" id="Related_Topics" name="Related_Topics">หัวข้อที่เกี่ยวข้อง</h2>
+
+<ul>
+ <li><a href="/en-US/docs/XUL" title="XUL">XUL</a>, <a href="/en-US/docs/JavaScript" title="JavaScript">JavaScript</a>, <a href="/en-US/docs/XPCOM" title="XPCOM">XPCOM</a>, <a href="/en-US/themes">ธีม</a>, <a href="/en-US/docs/Developer_Guide" title="Developing_Mozilla">การพัฒนา โมซิลล่า</a>, <a href="/en-US/docs/Extensions" title="Extensions">ส่วนขยาย</a></li>
+</ul>
+</div>
+</div>
diff --git a/files/th/mozilla/firefox/privacy/index.html b/files/th/mozilla/firefox/privacy/index.html
new file mode 100644
index 0000000000..b1d032e685
--- /dev/null
+++ b/files/th/mozilla/firefox/privacy/index.html
@@ -0,0 +1,16 @@
+---
+title: Privacy
+slug: Mozilla/Firefox/Privacy
+tags:
+  - NeedsTranslation
+  - Privacy
+  - Security
+  - TopicStub
+translation_of: Mozilla/Firefox/Privacy
+---
+<div>{{FirefoxSidebar}}</div><p>{{ ListSubpages () }}</p>
+
+<ul>
+ <li><a href="https://support.mozilla.org/en-US/products/firefox/privacy-and-security">Privacy and security settings</a></li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Web/Security">Web Security</a></li>
+</ul>
diff --git a/files/th/mozilla/firefox/privacy/tracking_protection/index.html b/files/th/mozilla/firefox/privacy/tracking_protection/index.html
new file mode 100644
index 0000000000..371f3e9873
--- /dev/null
+++ b/files/th/mozilla/firefox/privacy/tracking_protection/index.html
@@ -0,0 +1,74 @@
+---
+title: Tracking Protection
+slug: Mozilla/Firefox/Privacy/Tracking_Protection
+translation_of: Mozilla/Firefox/Privacy/Tracking_Protection
+---
+<div>{{FirefoxSidebar}}</div><h2 id="What_is_tracking_protection">What is tracking protection?</h2>
+
+<p>Starting in version 42, Firefox Desktop and Firefox for Android include built-in tracking protection. In Private Browsing windows (tabs, in Firefox for Android), Firefox will block content loaded from domains that track users across sites.</p>
+
+<p>Some blocked content is part of the page layout, and users may notice layout issues where Firefox blocked these loads. Sometimes users won’t notice at all, if the page grid works such that other page elements slide in to fill holes left by blocked elements.</p>
+
+<p>When Firefox blocks content, it will log a message to the Web Console like this:</p>
+
+<pre>The resource at "http://some/url" was blocked because tracking protection is enabled.</pre>
+
+<p>Note that with Firefox for Android, you can access console output using the remote debugger.</p>
+
+<p>The Firefox UI will indicate to users when content has been blocked and enable them to unblock it for the current session if they choose. Users will also be able to disable tracking protection entirely if they choose.</p>
+
+<h2 id="How_does_Firefox_choose_what_to_block">How does Firefox choose what to block?</h2>
+
+<p>Content is blocked based on the domain from which it is to be loaded.</p>
+
+<p>Firefox will ship with a list of sites which have been identified as engaging in cross-site tracking of users. When tracking protection is enabled, Firefox will block content from sites in the list.</p>
+
+<p>Sites that track users are most commonly third-party advertising and analytics sites.</p>
+
+<h2 id="What_does_this_mean_for_your_website">What does this mean for your website?</h2>
+
+<p>Most obviously, it means that when tracking protection is enabled:</p>
+
+<ul>
+ <li>content served from third-party trackers will not be visible to users</li>
+ <li>your site won't be able to use third-party advertising or analytics services that engage in tracking</li>
+</ul>
+
+<p>More subtly, if other parts of your site depend on trackers being loaded, then these parts will also be broken when tracking protection is enabled. For example, if your site includes a callback that runs when content from a tracking site is loaded, then the callback will not execute.</p>
+
+<p>For example, you should not use Google Analytics in the following way:</p>
+
+<pre class="brush:html example-bad">&lt;a href="http://www.example.com" onclick="trackLink('http://www.example.com', event);"&gt;Visit example.com&lt;/a&gt;
+&lt;script&gt;
+function trackLink(url,event) {
+    event.preventDefault();
+    ga('send', 'event', 'outbound', 'click', url, {
+     'transport': 'beacon',
+     'hitCallback': function() {
+       document.location = url;
+     }
+   });
+}
+&lt;/script&gt;</pre>
+
+<p>Instead, you should account for the case when Google Analytics is missing by checking to see if the ga object has initialized:</p>
+
+<pre class="brush:html example-good">&lt;a href="http://www.example.com" onclick="trackLink('http://www.example.com', event);"&gt;Visit example.com&lt;/a&gt;
+&lt;script&gt;
+function trackLink(url,event) {
+    event.preventDefault();
+    if (window.ga &amp;&amp; <span class="pl-smi">ga</span>.loaded) {
+         ga('send', 'event', 'outbound', 'click', url, {
+         'transport': 'beacon',
+         'hitCallback': function() { document.location = url; }
+       });
+    } else {
+        document.location = url;
+    }
+}
+&lt;/script&gt;
+</pre>
+
+<p>More information about this technique is available at <a href="https://hacks.mozilla.org/2016/01/google-analytics-privacy-and-event-tracking/">Google Analytics, Privacy, and Event Tracking</a>.</p>
+
+<p>Note that depending on a third party in this way is not a good practice anyway, as it means your site can be broken if the third party is slow or unavailable, or if the tracker is blocked by an add-on.</p>
diff --git a/files/th/mozilla/firefox/เปิดผนึก/30/index.html b/files/th/mozilla/firefox/เปิดผนึก/30/index.html
new file mode 100644
index 0000000000..cd3dead3ee
--- /dev/null
+++ b/files/th/mozilla/firefox/เปิดผนึก/30/index.html
@@ -0,0 +1,65 @@
+---
+title: Firefox 30 for developers
+slug: Mozilla/Firefox/เปิดผนึก/30
+translation_of: Mozilla/Firefox/Releases/30
+---
+<div>{{FirefoxSidebar}}</div><p>Want to help document Firefox 30? See the <a class="external" href="http://beta.elchi3.de/doctracker/#list=fx&amp;version=30.0">list of bugs that need to be written about</a> and pitch in!</p>
+<h2 id="Changes_for_Web_developers">Changes for Web developers</h2>
+<h3 id="Developer_Tools">Developer Tools</h3>
+<ul>
+ <li>A Box Model Highlighter has been implemented ({{bug(663778)}}).</li>
+ <li>Anywhere a DOM node appears in the console output, it is highlighted when you hover over that console output ({{bug(757866)}}). Similarly all JS functions and objects are highlighted in the console output ({{bug(584733)}}). More information about the console improvement can be found in this <a href="http://www.robodesign.ro/mihai/blog/web-console-improvements-episode-30">blog post</a>.</li>
+ <li>Support for {{domxref("Console.count()")}} has been added ({{bug(922208)}}).</li>
+</ul>
+<h3 id="CSS">CSS</h3>
+<ul>
+ <li>The property {{cssxref("background-blend-mode")}} has been enabled by default ({{bug(970600)}}).</li>
+ <li>The non-standard {{cssxref("overflow-clip-box")}} property has been implemented for use in UA stylesheets only ({{bug(966992)}}).</li>
+ <li>The {{cssxref("line-height")}} property now affects single-line text inputs (<code>&lt;input type=text|password|email|search|tel|url|unknown&gt;</code> types) although it cannot shrink them below a line height of <code>1.0</code> ({{bug(349259)}}).</li>
+ <li>The {{cssxref("line-height")}} property now also affects <code>type=button</code>, with no restrictions ({{bug(697451)}}).</li>
+ <li>Change to keyframes' name does not affect current elements ({{bug(978648)}}).</li>
+</ul>
+<h3 id="HTML">HTML</h3>
+<p><em>No change.</em></p>
+<h3 id="JavaScript">JavaScript</h3>
+<ul>
+ <li>New ES6-compatible <a href="/en-US/docs/Web/JavaScript/Reference/Operators/Array_comprehensions">array comprehensions</a> <code>[for (item of iterable) item]</code> and <a href="/en-US/docs/Web/JavaScript/Reference/Operators/Generator_comprehensions">generator comprehensions</a> <code>(for (item of iterable) item)</code> have been implemented ({{bug(979865)}}).</li>
+ <li>Typed arrays are now extensible and support new named properties ({{bug(695438)}}).</li>
+ <li>The {{jsxref("Error.prototype.stack")}} property now contains column numbers ({{bug(762556)}}) and has been improved <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Stack#Stack_of_eval'ed_code">when using <code>Function()</code> and <code>eval()</code> calls</a>. This can help you to better debug minified or generated JavaScript code.</li>
+</ul>
+<h3 id="InterfacesAPIsDOM">Interfaces/APIs/DOM</h3>
+<ul>
+ <li>{{domxref("Navigator.sendBeacon")}} has been implemented, easing telemetry collection ({{bug(936340)}}).</li>
+ <li>Added a <code>relList</code> property returning a {{domxref("DOMTokenList")}} to {{domxref("HTMLLinkElement")}}, {{domxref("HTMLAreaElement")}} and {{domxref("HTMLAnchorElement")}} ({{bug(968637)}}).</li>
+ <li>As per the latest specification, the first argument of {{domxref("OscillatorNode.start")}} and {{domxref("OscillatorNode.stop")}} is now optional and defaults to <code>0</code> ({{bug(982541)}}).</li>
+ <li>The method {{domxref("Navigator.requestWakeLock()")}} and the non-standard {{domxref("MozWakeLock")}} are no longer available from the Web on Desktop ({{bug(963366)}}).</li>
+ <li>The <code>DOM_VK_ENTER</code> constant has been removed from {{domxref("KeyboardEvent")}} ({{bug(969247)}}).</li>
+ <li>Web components' {{domxref("Document.register")}} has been adapted to follow the behavior described in the latest version of the specification ({{bug(856140)}}).</li>
+ <li>Basic support for Hit regions on canvas has been added: the methods {{domxref("CanvasRenderingContext2D.addHitRegion()")}} and {{domxref("CanvasRenderingContext2D.removeHitRegion()")}} have been added. These are disabled by default; to activate them set the preference <code>canvas.hitregions.enabled</code> to <code>true</code>. ({{bug(966591)}})</li>
+ <li>The non-standard, and deprecated since Firefox 15, {{domxref("Blob.mozSlice")}} is no longer supported ({{bug(961804)}}).</li>
+ <li>The non-standard {{domxref("ArchiveReader")}} and {{domxref("ArchiveRequest")}} are no longer exposed to the Web ({{bug(968883)}}).</li>
+ <li><a href="http://dxr.mozilla.org/mozilla-central/source/dom/webidl/">WebIDL constructors</a> cannot be called as functions anymore. They need to be preceded by the keyword <code>new</code>. ({{bug(916644)}})</li>
+ <li>Added support for a new value (<code>alpha</code>) for the second, optional, parameter of the {{domxref("Canvas.getContext()")}} method allowing to define if alpha blending must be stored or not for this context. When not, the per-pixel alpha value in this store is always <code>1.0</code>. This allows the back-end to implement a fast-track. ({{bug(982480)}})</li>
+</ul>
+<h3 id="MathML">MathML</h3>
+<p><em>No change.</em></p>
+<h3 id="SVG">SVG</h3>
+<ul>
+ <li>{{SVGElement("feDropShadow")}}, and its interface {{domxref("SVGFEDropShadowElement")}}, from the Filter Effects Module are now supported ({{bug(964200)}}).</li>
+</ul>
+<h3 id="AudioVideo">Audio/Video</h3>
+<ul>
+ <li>On Linux, Gstreamer 1.0 is now supported (instead of 0.10) ({{bug(806917)}}).</li>
+</ul>
+<h2 id="Security">Security</h2>
+<p><em>No change.</em></p>
+<h2 id="Changes_for_add-on_and_Mozilla_developers">Changes for add-on and Mozilla developers</h2>
+<ul>
+ <li>The interface <code>nsIDOMWindowUtils</code> now supports the Boolean attribute <code>audioMuted</code> and <code>audioVolume</code>, a float in the range <code>[0.0</code> ,  <code>1.0]</code>, allowing to control the sound produced by a window (that is any tab or iframe). There is no UI for this, but is available to add-ons. ({{bug(923247)}})</li>
+</ul>
+<h2 id="See_also">See also</h2>
+<ul>
+ <li><a href="/en-US/docs/Mozilla/Firefox/Releases/30/Site_Compatibility">Site Compatibility for Firefox 30</a></li>
+</ul>
+<h3 id="Older_versions">Older versions</h3>
+<p>{{Firefox_for_developers('29')}}</p>
diff --git a/files/th/mozilla/firefox/เปิดผนึก/47/index.html b/files/th/mozilla/firefox/เปิดผนึก/47/index.html
new file mode 100644
index 0000000000..e827aa2ea2
--- /dev/null
+++ b/files/th/mozilla/firefox/เปิดผนึก/47/index.html
@@ -0,0 +1,174 @@
+---
+title: Firefox 47 for developers
+slug: Mozilla/Firefox/เปิดผนึก/47
+translation_of: Mozilla/Firefox/Releases/47
+---
+<div>{{FirefoxSidebar}}</div><p><a href="https://www.mozilla.org/firefox/developer/" style="float: right; margin-bottom: 20px; padding: 10px; text-align: center; border-radius: 4px; display: inline-block; background-color: #81BC2E; white-space: nowrap; color: white; text-shadow: 0px 1px 0px rgba(0, 0, 0, 0.25); box-shadow: 0px 1px 0px 0px rgba(0, 0, 0, 0.2), 0px -1px 0px 0px rgba(0, 0, 0, 0.3) inset;">To test the latest developer features of Firefox,<br>
+ install Firefox Developer Edition</a>Firefox 47 was released on June 6, 2016. This article lists key changes that are useful not only for web developers, but also Firefox and Gecko developers as well as add-on developers.</p>
+
+<h2 id="Changes_for_Web_developers">Changes for Web developers</h2>
+
+<h3 id="Developer_Tools">Developer Tools</h3>
+
+<ul>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Browser_detection_using_the_user_agent">User-agent spoofing</a> from the <a href="https://developer.mozilla.org/en-US/docs/Tools/Responsive_Design_Mode">Responsive mode</a></li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Tools/Memory/Dominators_view#Retaining_Paths_panel">Retaining paths panel</a> in memory tool</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker">Service workers</a> and <a href="https://developer.mozilla.org/en-US/docs/Web/API/Push_API">Push API</a> debugging
+  <ul>
+   <li><a href="https://developer.mozilla.org/en-US/docs/Tools/about:debugging">about:debugging</a> dashboard for workers</li>
+   <li>Cached requests are now shown in <a href="https://developer.mozilla.org/en-US/docs/Tools/Network_Monitor">Network Monitor</a></li>
+   <li>Support for <a href="https://developer.mozilla.org/en-US/docs/Web/API/Cache">cache storage</a> in <a href="https://developer.mozilla.org/en-US/docs/Tools/Storage_Inspector">Storage Inspector</a></li>
+  </ul>
+ </li>
+ <li>Ability to filter <a href="https://developer.mozilla.org/en-US/docs/Tools/Storage_Inspector">Storage Inspector</a> entries</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Tools/Web_Console">Console</a> now detects incomplete input and switches multi-line mode</li>
+ <li>Updated breakpoint style in <a href="https://developer.mozilla.org/en-US/docs/Tools/Debugger">Debugger</a></li>
+ <li>Prevent panels from hiding automatically using the <a href="https://developer.mozilla.org/en-US/docs/Tools/Browser_Toolbox">Browser Toolbox</a>, to aid browser and add-on debugging</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Tools/Page_Inspector/UI_Tour#Fonts_view">Font inspector</a> has been disabled by default</li>
+ <li><a href="https://developer.mozilla.org/en-US/docs/Tools/3D_View">3D view</a> has been removed</li>
+ <li>Developer tools theme refresh</li>
+ <li>Disable the Font Panel ({{bug(1247723)}}).</li>
+</ul>
+
+<h3 id="HTML">HTML</h3>
+
+<p><em>No change.</em></p>
+
+<h3 id="CSS">CSS</h3>
+
+<ul>
+ <li>Support for the {{cssxref("::backdrop")}} pseudo-element has been added ({{bug(1064843)}}).</li>
+ <li>The case-insensitive modifier <code>i</code> (like in <code>[foo=bar i]</code>) for <a href="/en-US/docs/Web/CSS/Attribute_selectors">attribute selectors</a> has been implemented ({{bug(888190)}}).</li>
+ <li>An experimental implementation of CSS Mask Image properties landed. For the moment, this will only be available on Nightly versions of Firefox.y: shorthand version of {{cssxref("mask")}}, as well as {{cssxref("mask-repeat")}}, {{cssxref("mask-position")}}, {{cssxref("mask-size")}} are now available ({{bug(686281)}}).</li>
+ <li>The {{cssxref("clip-path")}} property now experimentally supports <code>polygon()</code>, <code>ellipse()</code>, and <code>circle()</code> on HTML elements (does not support <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1246762">inset()</a> and <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1246764">path()</a>), behind the pref <code>layout.css.clip-path-shapes.enabled</code> that defaults to <code>false</code> ({{bug(1075457)}}). Interpolation (and therefore animation) of these values is not yet supported.</li>
+ <li>Our still experimental grid implementation has been updated:
+  <ul>
+   <li>{{cssxref("align-content")}}: <code>normal</code> behaves now as <code>stretch</code> for grid containers ({{bug(1237754)}}).</li>
+   <li>The order of column/row values for {{cssxref('grid')}}, {{cssxref('grid-template')}}, and {{cssxref('grid-gap')}} properties has been swapped ({{bug(1251999)}}).</li>
+  </ul>
+ </li>
+ <li>The {{cssxref("@media/display-mode", "display-mode")}} media feature is now supported ({{bug("1104916")}}).</li>
+ <li>The value <code>true</code> of {{cssxref("text-align")}} and {{cssxref("text-align-last")}} has been renamed to <code>unsafe</code> ({{bug("1250342")}}).</li>
+</ul>
+
+<h3 id="JavaScript">JavaScript</h3>
+
+<ul>
+ <li>The new ES2017 {{jsxref("Object.values()")}} and {{jsxref("Object.entries()")}} methods have been implemented ({{bug(1232639)}}).</li>
+ <li>The deprecated <a href="/en-US/docs/Archive/Web/Old_Proxy_API">old Proxy API</a> (<code>Proxy.create</code> and <code>Proxy.createFunction</code>) now presents a deprecation warning in the console and will be removed in a future version. Use the standard {{jsxref("Proxy")}} object instead ({{bug(892903)}}).</li>
+ <li>Support for the deprecated non-standard <code>flags</code> argument of <code>String.prototype.</code>{{jsxref("String.prototype.match", "match")}}/{{jsxref("String.prototype.search", "search")}}/{{jsxref("String.prototype.replace", "replace")}} has been dropped in non-release builds ({{bug(1245801)}}).</li>
+ <li>As per the new ES2016 specification, the {{jsxref("Proxy")}} <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/handler/enumerate">enumerate</a> trap for <code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in">for...in</a></code> statements has been removed ({{bug(1246318)}}).</li>
+ <li>The {{jsxref("Array.prototype.indexOf()")}} and {{jsxref("Array.prototype.lastIndexOf()")}} methods (and their {{jsxref("TypedArray")}} equivalents) have been updated to never return <code>-0</code> as per the ECMAScript specification ({{bug(1242043)}}).</li>
+</ul>
+
+<h3 id="InterfacesAPIsDOM">Interfaces/APIs/DOM</h3>
+
+<h4 id="DOM_HTML_DOM">DOM &amp; HTML DOM</h4>
+
+<ul>
+ <li>The property {{domxref("Document.scrollingElement")}} has been implemented behind the pref <code>dom.document.scrollingElement.enabled</code> that defaults to <code>false</code> ({{bug(1153322)}}).</li>
+</ul>
+
+<h4 id="WebGL">WebGL</h4>
+
+<p><em>No change.</em></p>
+
+<h4 id="IndexedDB">IndexedDB</h4>
+
+<ul>
+ <li>The {{domxref("IDBKeyRange.includes()")}} method has been implemented ({{bug("1251498")}}).</li>
+</ul>
+
+<h4 id="Service_Worker_and_related_APIs">Service Worker and related APIs</h4>
+
+<ul>
+ <li>The {{domxref("Request.Request()")}} constructor can now accept a referrer option in its init object ({{bug(1251448)}}).</li>
+ <li>The {{domxref("Request.referrerPolicy")}} property is now supported ({{bug(1251872)}}).</li>
+ <li>
+  <p><a href="/en-US/docs/Web/API/Service_Worker_API">Service workers</a> and <a href="https://developer.mozilla.org/en-US/docs/Web/API/Push_API">Push</a> have been disabled in the <a class="external external-icon" href="https://www.mozilla.org/en-US/firefox/organizations/">Firefox 45 Extended Support Release</a> (ESR) ({{bug(1232029)}}).</p>
+ </li>
+</ul>
+
+<h4 id="WebRTC">WebRTC</h4>
+
+<ul>
+ <li>Support for the {{domxref("RTCIceServer")}} dictionary has been updated in keeping with revisions to the WebGL 1.0 specification by adding support for the {{domxref("RTCIceServer.credentialType", "credentialType")}} property. This property is a string which specifies whether the credential is a password or a token. Currently, Firefox only supports <code>"password"</code>.</li>
+</ul>
+
+<h4 id="New_APIs">New APIs</h4>
+
+<p><em>No change.</em></p>
+
+<h4 id="Others">Others</h4>
+
+<ul>
+ <li>{{domxref("Cache.add()")}} and {{domxref("Cache.addAll()")}} now raises a <code>TypeError</code> exception if the response status is not in the <code>200</code> range ({{bug(1244764)}}).</li>
+ <li>The <a href="/en-US/docs/Mozilla/Firefox_OS/API/App_installation_and_management_APIs">App installation and management APIs</a> (<code>navigator.mozApps.*</code>) are no longer exposed to non-Firefox OS platforms ({{bug("1238576")}}).</li>
+ <li><a href="/en-US/docs/Web/API/Web_Crypto_API">Web Crypto API</a> methods can now use the RSA-PSS cryptographic algorithm ({{bug (1191936)}}).</li>
+ <li>The <a href="/en-US/docs/Web/API/Permissions_API">Permissions API</a> has had the {{domxref("Permissions.revoke()")}} method added ({{bug("1197461")}}).</li>
+ <li>The <a href="/en-US/docs/Web/API/Browser_API">Browser API</a>, which extends the functionality of {{htmlelement("iframe")}}s to allow the creation of frames for displaying web content using HTML — and was previously only available in Firefox OS — is now available to desktop chrome code too ({{bug(1238160)}}).</li>
+ <li>The <a href="/en-US/docs/Web/API/notification">Notification API</a>'s {{domxref("Notification.requestPermission()","requestPermission()")}} method has been updated from a callback to a promised-based syntax ({{bug(1241278)}}).</li>
+ <li>The <a href="/en-US/docs/Web/API/Fullscreen_API">Fullscreen API</a> has been updated to the latest spec and unprefixed. Some methods have been renamed or have seen their capitalization changed ({{bug(743198)}}). Note that this is behind the <code>full-screen-api.unprefix.enabled</code> preference, defaulting to false ({{bug(1268749)}}).</li>
+</ul>
+
+<h3 id="AudioVideo">Audio/Video</h3>
+
+<ul>
+ <li>Now WAV file with u-law compression encoding can be played({{bug(851530)}}).</li>
+ <li><a href="https://www.widevine.com/">Widevine</a> Content Decryption Module provided by Google Inc. is available via the <a href="/en-US/docs/Web/API/Encrypted_Media_Extensions_API">Encrypted Media Extensions API</a> for use with MP4 (only; see {{bug(1257716)}} for EME-with-WebM support) on Windows Vista and later and on Mac OS X enabling migration off Silverlight ({{bug(1265270)}}).</li>
+</ul>
+
+<h2 id="HTTP">HTTP</h2>
+
+<ul>
+ <li>The default value of the {{HTTPHeader("Accept")}} header for images is now <code>*/*</code> instead of <code>image/png,image/*;q=0.8,*/*;q=0.5</code> ({{bug(1249474)}}).</li>
+</ul>
+
+<h2 id="Networking">Networking</h2>
+
+<p><em>No change.</em></p>
+
+<h2 id="Security">Security</h2>
+
+<ul>
+ <li>URL with the <code>view-source:</code> protocol don't open the <a href="/en-US/docs/Tools/View_source">View Source</a> tool anymore when used from a Web page ({{bug(1172165)}}).</li>
+ <li>The Firefox <a href="https://blog.mozilla.org/futurereleases/2013/09/24/plugin-activation-in-firefox/">click-to-activate plugin whitelist</a> has been removed: only Flash doesn't need to be clicked to be activated ({{bug(1263630)}}).</li>
+</ul>
+
+<h2 id="Changes_for_add-on_and_Mozilla_developers">Changes for add-on and Mozilla developers</h2>
+
+<h3 id="Interfaces">Interfaces</h3>
+
+<ul>
+ <li>The CSS tokenizer is now available in JavaScript for add-ons ({{bug(1152033)}}).</li>
+</ul>
+
+<h3 id="FUEL">FUEL</h3>
+
+<p>The <a href="/en-US/docs/Mozilla/Tech/Toolkit_API/FUEL">FUEL</a> JavaScript library, introduced back in Firefox 3, <strong>has been removed</strong>. This library was designed to aid in add-on development and with the introduction of the <a href="/en-US/docs/Mozilla/Add-ons/SDK">Add-on SDK</a> and, now, by <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions">WebExtensions</a> support, is no longer useful. ({{bug(1090880)}})</p>
+
+<h3 id="XUL">XUL</h3>
+
+<p><em>No change.</em></p>
+
+<h3 id="JavaScript_code_modules">JavaScript code modules</h3>
+
+<p><em>No change.</em></p>
+
+<h3 id="XPCOM">XPCOM</h3>
+
+<p><em>No change.</em></p>
+
+<h3 id="Other">Other</h3>
+
+<p><em>No change.</em></p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="https://www.fxsitecompat.com/en-US/versions/47">Site Compatibility for Firefox 47</a></li>
+</ul>
+
+<h2 id="Older_versions">Older versions</h2>
+
+<p>{{Firefox_for_developers(46)}}</p>
diff --git a/files/th/mozilla/firefox/เปิดผนึก/index.html b/files/th/mozilla/firefox/เปิดผนึก/index.html
new file mode 100644
index 0000000000..544c0ef3d0
--- /dev/null
+++ b/files/th/mozilla/firefox/เปิดผนึก/index.html
@@ -0,0 +1,8 @@
+---
+title: จดหมายเปิดผนึกถึงนักพัฒนา Firefox
+slug: Mozilla/Firefox/เปิดผนึก
+translation_of: Mozilla/Firefox/Releases
+---
+<div>{{FirefoxSidebar}}</div><p>หน้านี้เอื้ออำนวย ลิงค์ไปสู่ "Firefox X สำหรับนักพัฒนา" บนความในแต่ละครั้งที่ FireFox ส่งออกมา จดหมายเหล่านี้ จะให้คุณได้เห็นว่า มีคุณลักษณะใหม่ที่เพิ่มเข้ามา และ บัคที่ถูกตัดทิ้งไปในแต่ละรุ่นของ FireFox</p>
+<div class="multiColumnList">
+ {{ListSubpages("",1,0,1)}}</div>