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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Vaadin Framework @version@</title>
<link rel="stylesheet" type="text/css" href="css/styles.css" />
<style type="text/css">
.nested-list ol {
counter-reset: item
}
.nested-list li {
display: block
}
.nested-list li:before {
content: counters(item, ".") ". ";
counter-increment: item
}
</style>
</head>
<body>
<div id="header">
<h1>Vaadin – thinking of U and I</h1>
<div id="version">
<strong>Version @version@</strong>
</div>
</div>
<!-- /header -->
<div id="content">
<p>Version @version@ built on @builddate@.</p>
<h2 id="tableofcontents">Release Notes for Vaadin Framework
@version@</h2>
<ul>
<li><a href="#overview">Overview of Vaadin
@version@ Release</a></li>
<li><a href="#changelog">Change Log for Vaadin
@version@</a></li>
<li><a href="#enhancements">Enhancements in Vaadin
@version-minor@</a></li>
<li><a href="#incompatible">Incompatible or Behavior-altering Changes in
@version-minor@</a></li>
<li><a href="#knownissues">Known Issues and Limitations</a></li>
<li><a href="#vaadin">Vaadin Installation</a></li>
<li><a href="#package">Package Contents</a></li>
<li><a href="#migrating">Migrating from Vaadin 7.7</a></li>
<li><a href="#dependencies">Vaadin @version@
dependencies</a></li>
<li><a href="#supportedversions">Supported
Technologies</a></li>
<li><a href="#vaadinontheweb">Vaadin on the Web</a></li>
</ul>
<h2 id="overview">Overview of Vaadin @version@ Release</h2>
<p>
Vaadin @version@ is a
<!-- feature release that includes -->
pre-release for evaluating
a number of new features and bug fixes, as listed in the <a
href="#enhancements">list of enhancements</a> and <a
href="#changelog">change log</a> below.
</p>
<!-- ================================================================ -->
<h3 id="changelog">Change Log for Vaadin @version@</h3>
<!-- @release-notes-changelog@ -->
<p>
You can find the full list of all changes <a
href="https://github.com/vaadin/vaadin/releases/tag/@version@">in
GitHub</a>.
</p>
<h2 id="enhancements">Enhancements in Vaadin @version-minor@</h2>
<p>Vaadin @version-minor@ includes many major and minor
enhancements. Below is a list of the most notable changes:</p>
<ul>
<li>New, simpler data binding API</li>
<li>Vaadin is now based on Java 8</li>
<li>Vaadin is using GWT 2.8, allowing client side code to use Java 8</li>
<li>Other Vaadin dependencies including Atmosphere have been upgraded</li>
</ul>
<p>
The new data binding API replaces the old <tt>Container</tt>, <tt>Item</tt>, <tt>Property</tt>, <tt>FieldGroup</tt>,
<tt>Validator</tt>, <tt>Converter</tt> and related classes with new mechanisms.
Also components using those are replaced with updated implementations using the
new API, and the old data binding API and components have been moved to separate
compatibility packages for ease of migration.
For more details, see the Book of Vaadin and <a href="#migrating">how to migrate
to Vaadin 8</a>.
</p>
<p>
For enhancements introduced in Vaadin 7.7, see the <a
href="http://vaadin.com/download/release/7.7/7.7.0/release-notes.html">Release
Notes for Vaadin 7.7.0</a>.
</p>
<h3 id="incompatible">Incompatible or Behavior-altering Changes in @version-minor@</h3>
<ul>
<li>Vaadin now requires Java 8 or later and Servlet 3.0 or later</li>
<li>Support for older browsers (including Microsoft IE 8-10) and Windows Phone has been dropped</li>
<li>A new data binding API replaces the old API (including Container, Item, Property, FieldGroup, Validator, Converter and components using those).</li>
<li>The default width of Label is now undefined, matching other components</li>
<li>Immediate mode is the default for all components except Upload</li>
<li>Some deprecated/obsolete parts of API (including the Form component) have been removed</li>
<li>Most addListener/removeListener methods have been removed - use the Java 8 friendly addClickListener(), addValueChangeListener() etc. instead</li>
<li>Many new listeners are unregistered using a Registration object returned by addXyzListener() rather than with a separate removeXyzListener()</li>
<li>Old input prompts have been replaced with placeholders utilizing the related browser functionality</li>
<li>The old liferay theme (Liferay 6.0 look) has been removed</li>
<li>Components in the compatibility packages now use the prefix "vaadin7-" in declarative design files</li>
<li>RichTextArea no longer receives a special "v-richtextarea-readonly" class when readonly, only the standard "v-readonly" class</li>
</ul>
<h3 id="knownissues">Known Issues and Limitations</h3>
<ul>
<li>Context click events are not generated on iOS devices
(<a href="http://dev.vaadin.com/ticket/19367">#19367</a>)</li>
<li>Drag'n'drop in a Table doesn't work on touch devices running
Internet Explorer (Windows Phone, Surface)
(<a href="http://dev.vaadin.com/ticket/13737">#13737</a>)
</li>
<li><p>It is currently not possible to specify <tt>font-size</tt>
as <tt>em</tt> or <tt>%</tt>, or layout component sizes
with <tt>em</tt> (<a
href="http://dev.vaadin.com/ticket/10634">#10634</a>).</p><p>This
does not apply to Valo, but using em sizes to size layouts is discouraged,
because it results in fractional component sizes in many cases, which
might cause unwanted 1px gaps between components.</p>
</li>
<li>Up-to-date information about configuration needed for push and compatibility issues are available in
<a href="https://vaadin.com/wiki/-/wiki/Main/Configuring+push+for+your+environment">this wiki page.</a>
<br />
The most prominent limitations are:
<ul>
<li>Push is currently not supported in portals (See <a
href="http://dev.vaadin.com/ticket/11493">#11493</a>)
</li>
<li>>Transport mode WEBSOCKET does not support invalidating the session on Tomcat 7,
nor setting cookies for the session. The new transport mode WEBSOCKET_XHR can be
used to bypass these limitations.
<br />
See tickets <a href="https://dev.vaadin.com/ticket/11808">#11808</a> and
<a href="https://dev.vaadin.com/ticket/11721">#11721</a>
</li>
</ul>
</li>
<li>Google App Engine has some limitations. Please consult Vaadin Wiki:
<a href="https://vaadin.com/wiki/-/wiki/Main/Vaadin+support+for+Google+App+Engine">Vaadin support for Google App Engine</a>
</li>
<li>Grid does not support adding components to cells. Instead light-weight Renderers can be
used to present and edit data.</li>
</ul>
<h2 id="vaadin">Vaadin Installation</h2>
<p>
<b>Vaadin</b> is a Java framework for building modern web
applications that look great, perform well and make you and
your users happy. <b>Vaadin</b> is available under the
Apache License, Version 2.0 (see the
<tt>license.html</tt>
in the Vaadin ZIP package).
</p>
<p>
The easiest ways to install <b>Vaadin</b> are:
</p>
<ul>
<li><strong>Maven dependency.</strong>If using Maven, define it as a dependency or use
any of the available archetypes to create a new project. More information at
<a href="https://vaadin.com/maven">https://vaadin.com/maven</a>
</li>
<li><strong>IDE Plugins.</strong>If using Eclipse, use the
<a href="http://vaadin.com/eclipse">Vaadin Plugin for Eclipse</a>, which automatically
downloads the Vaadin libraries. For NetBeans 8.0 and 7.4, use the
<a href="http://plugins.netbeans.org/plugin/50531/vaadin-plug-in-for-netbeans">official Vaadin plugin</a>
that provides Maven based wizards and code completion support for Vaadin development.
</li>
</ul>
<p>
Vaadin Framework is also available as a ZIP package downloadable from <a
href="http://vaadin.com/download">Vaadin Download
page</a>.
</p>
<h3 id="package">Package Contents</h3>
<p>Inside the ZIP installation package you will find:</p>
<ul>
<li>Separate server-side (<tt>vaadin-server</tt>) and
client-side (<tt>vaadin-client</tt>, <tt>vaadin-client-compiler</tt>)
development libraries
</li>
<li>Precompiled widget set (<tt>vaadin-client-compiled</tt>)
for server-side development
</li>
<li>Shared library (<tt>vaadin-shared</tt>) for both
server- and client-side libraries
</li>
<li>Built-in themes (<tt>vaadin-themes</tt>)
</li>
<li>Dependency libraries provided under the <tt>lib/</tt>
folder
</li>
<li>Vaadin 7 compatible classes for server-side (<tt>vaadin-compatibility-server</tt>,
<tt>vaadin-compatibility-shared</tt>) and client-side (<tt>vaadin-compatibility-client</tt>)
</li>
</ul>
<p>
See the
<tt>README.TXT</tt>
in the installation package for detailed information about
the package contents.
</p>
<p>
For server-side development, copy the
<tt>vaadin-server</tt>
,
<tt>vaadin-client-compiled</tt>
,
<tt>vaadin-shared</tt>
, and
<tt>vaadin-themes</tt>
from the main folder and the dependencies from the
<tt>lib</tt>
folder to the
<tt>WEB-INF/lib</tt>
folder of your Vaadin project. (The
<tt>vaadin-client-compiled</tt>
is necessary if you do not wish to compile the widget set by
your own, which you need to do if you use almost any add-on
components.)
</p>
<h2 id="migrating">Migrating from Vaadin 7.7</h2>
<p>
Most Vaadin 7 applications need some changes when migrating
to Vaadin 8. In addition to updating dependencies, all references to
Vaadin 7 style data binding and components using it need to be
updated either to use new Vaadin 8 style data binding or to use the
compatibility versions in separate packages.
</p>
<p>
Vaadin 7 compatible versions of the old data binding API and
components (with the exception of Form) are available in the package
com.vaadin.v7 in modules vaadin-compatibility-server,
vaadin-compatibility-shared etc. that can be used instead of
vaadin-server, vaadin-shared etc. The package
vaadin-compatibility-client-compiled contains the widgetset
<tt>com.vaadin.v7.Vaadin7WidgetSet</tt> which can be used instead of
DefaultWidgetSet.
</p>
<p>
There is a <a href="https://github.com/vaadin/vaadin8-migration-tool/">
migration tool</a> which helps with some of the migration steps.
</p>
<p>
Some Vaadin 7 add-ons do not work in Vaadin 8 - please check the add-ons in <a
href="http://vaadin.com/directory/">Vaadin Directory</a>
for Vaadin 8 support.
</p>
<h3 id="upgrading">Common Upgrade Steps</h3>
<p>Always when upgrading from an earlier Vaadin version, you
must:</p>
<ul>
<li>Recompile your classes using the new Vaadin
version. Binary compatibility is only guaranteed for
maintenance releases of Vaadin.</li>
<li>Unless using the precompiled widget set, recompile
your widget set using the new Vaadin version.</li>
</ul>
<p>Remember also to refresh the project in your IDE to
ensure that the new version of everything is in use.</p>
<p>
By using the "
<tt>?debug</tt>
" URL parameter, you can verify that the version of the
servlet, the theme, and the widget set all match.
</p>
<p>
<b>Eclipse</b> users should always check if there is a new
version of the Eclipse Plug-in available.
</p>
<p>
<b>Maven</b> users should update the Vaadin dependency
version in the
<tt>pom.xml</tt>
.
</p>
<h2 id="dependencies">Vaadin @version@ Dependencies</h2>
<p>When using Maven, Ivy, Gradle, or other dependency
management system, all Vaadin dependencies are downloaded
automatically. This is also the case when using the Vaadin
Plugin for Eclipse.</p>
<p>
The Vaadin ZIP installation package includes the
dependencies in the
<tt>lib</tt>
subfolder. These need to be copied to the
<tt>WEB-INF/lib</tt>
folder of the web application that uses Vaadin.
</p>
<p>
The dependencies are listed in the <a href="license.html">Licensing
description</a>. Some are explicit dependencies packaged and
distributed as separate JARs, while some are included inside
other libraries.
</p>
<h3>Bean Validation</h3>
<p>
If you use the bean validation feature, you need
a Bean Validation API implementation. You need to install
the implementation JAR in the
<tt>WEB-INF/lib</tt>
directory of the web application that uses validation.
</p>
<h2 id="supportedversions">Supported Technologies</h2>
<p>
Vaadin 8 is compatible with <b>Java 8</b> and newer. Vaadin
8 is especially supported on the following <b>operating
systems</b>:
</p>
<ul>
<li>Windows</li>
<li>Linux</li>
<li>Mac OS X</li>
</ul>
<p>
Vaadin 8 requires <b>Java Servlet API 3.0</b> but also
supports later versions and should work with any Java
application server that conforms to the standard. The
following <b>application servers</b> are supported:
</p>
<ul>
<li>Apache Tomcat 7-8</li>
<li>Apache TomEE 1.7 and 7.0</li>
<li>Oracle WebLogic Server 12.2</li>
<li>IBM WebSphere Application Server 9</li>
<li>JBoss EAP 6</li>
<li>Wildfly 8-10</li>
<li>Jetty 8-9</li>
<li>Glassfish 4</li>
</ul>
<p>
Vaadin 8 supports the JSR-286 Portlet specification and all
portals that implement the specification should work provided
they support Java 8 and Servlet 3.0. The following <b>portals</b>
are supported:
</p>
<ul>
<li>Liferay Portal 6.2</li>
</ul>
<p>
Vaadin also supports <b>Google App Engine</b>.
</p>
<p>
Vaadin @version@ supports the following <b>desktop browsers</b>:
</p>
<ul>
<li>Mozilla Firefox (latest version, currently 48)</li>
<li>Mozilla Firefox ESR (latest version, currently 45 ESR)</li>
<li>Internet Explorer 11, Edge (latest version)</li>
<li>Safari 9+</li>
<li>Google Chrome (latest version, currently 52)</li>
</ul>
<p>
Additionally, Vaadin supports the built-in browsers in the
following <b>mobile operating systems</b>:
</p>
<ul>
<li>iOS 9+</li>
<li>Android 4+</li>
</ul>
<p>Vaadin SQL Container supports the following databases:</p>
<ul>
<li>HSQLDB</li>
<li>MySQL</li>
<li>MSSQL</li>
<li>Oracle</li>
<li>PostgreSQL</li>
</ul>
<h2 id="vaadinontheweb">Vaadin on the Web</h2>
<ul>
<li><a href="http://vaadin.com">vaadin.com - The
developer portal containing everything you need to
know about Vaadin</a></li>
<li><a href="http://vaadin.com/demo">vaadin.com/demo
- A collection of demos for Vaadin</a></li>
<li><a href="http://vaadin.com/learn">vaadin.com/learn
- Getting started with Vaadin</a></li>
<li><a href="http://vaadin.com/forum">vaadin.com/forum
- Forums for Vaadin related discussions</a></li>
<li><a href="http://vaadin.com/book">vaadin.com/book
- Book of Vaadin - everything you need to know about
Vaadin</a></li>
<li><a href="http://vaadin.com/api">vaadin.com/api
- Online javadocs</a></li>
<li><a href="http://vaadin.com/directory">vaadin.com/directory
- Add-ons for Vaadin</a></li>
<li><a href="http://vaadin.com/pro-tools">vaadin.com/pro-tools
- Commercial tools for Vaadin development</a></li>
<li><a href="http://vaadin.com/support">vaadin.com/support
- Commercial support for Vaadin development </a></li>
<li><a href="http://vaadin.com/services">vaadin.com/services
- Expert services for Vaadin</a></li>
<li><a href="http://vaadin.com/company">vaadin.com/company
- Information about the company behind Vaadin</a></li>
<li><a href="http://dev.vaadin.com">dev.vaadin.com
- Bug tracker</a></li>
<li><a
href="https://vaadin.com/contribute">How to get the source
code of Vaadin</a></li>
</ul>
</div>
<!-- /content-->
<div id="footer">
<span class="slogan"><strong>vaadin <em>}></em>
</strong> thinking of U and I<span> <a href="#top">↑ Back
to top</a>
</div>
<!-- /footer -->
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</html>
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