• highlighting fields that failed validation
• automatically setting label of associated input component
• include Servlets and JSP pages in Facelets
• Ajax aware exception handler
• extensionless URLs
• passing a method expression into Facelets tag, multi-field validators

• form with support to include view parameters in action URL
• HTML5 render kit
• new Messages builder
• new validator which validates if ALL of the given inputs have been filled out

• support for programmatically executing callback scripts in Ajax response
• fix for dealing with ViewExpiredException
• buffers the Ajax response fully until buffer size

• new Ajax#updateRow() and Ajax#updateColumn()
• new <o:enableRestorableView>
• new <o:validateBean>
• new SelectItemsIndexConverter
• new <o:commandScript>

• new for attribute in <o:validator> so that it can target inputs in composites
• UnmappedResourceHandler which removes the JSF prefix/suffix mapping from resource paths
• <o:importFunctions> taghandler to import public static non-void methods of a given type as EL functions
• <o:param> which extends <f:param> with support for a Converter

• added new includeRequestParams attribute to <o:form>
• <o:messages> which extends <h:messages> with support for multiple client IDs in for attribute
• ability to disable HTML escaping and ability to perform markupless rendering like <ui:repeat>
• message interpolator for Bean Validation that allows a component's label to be inserted in the middle of a message
• added converters for an Iterable to List and DataModel
• new protected methods FullAjaxExceptionHandler#findExceptionRootCause() and #findErrorPageLocation() so that it can easier be subclassed

• OmniFaces depends on CDI from this version on
• injecting, converting and validating HTTP request parameters via CDI @Param
• transparent support for dependency injection (CDI and EJB) inside @FacesConverter and @FacesValidator
• new JNDI utility class
• CDI compatible @ViewScoped annotation specifically for JSF 2.0/2.1
• useRequestURI attribute for <o:form> to submit to exactly the same URL as in browser's address bar (with query string)

• new ValueChangeValidator
• new CacheControlFilter which can control cache-related headers of the response
• added SortedTreeModel which holds the <o:tree> children in a TreeSet

• added <o:deferredScript> which is capable of deferring JavaScript resources to window.onload
• <o:massAttribute> which sets the given attribute on all nested components
• FacesMessageExceptionHandler which sets any caught exception as a global FATAL faces message
• <o:cache> has new disabled attribute to temporarily disable the cache and pass-through children directly
• <o:viewParam> skips converter for null model values so that query string doesn't get polluted with an empty string

• NoAutoGeneratedIdViewHandler which throws a runtime exception when an autogenerated JSF client ID is being rendered
• <o:viewParamValidationFailed> which enables sending either a redirect or error status on validation failure of view parameters
• <o:graphicImage> which is capable of referencing a byte[] or InputStream property with optional support for data URI format
• <o:moveComponent> via which components, facets and behaviors can be moved at runtime to a target component in various ways
• <o:resolveComponent> via which a component can be looked up by its ID and a reference to it put in various scopes
• <o:validateBean> now supports validating beans at the class level

• <o:tagAttribute> to explicitly declare a tagfile attribute which is only exposed in tagfile's own EL scope, to prevent pollution in EL scope of nested tagfiles
• FacesConfigXml to get faces-config.xml entries which are not available via native JSF API (currently only a mapping of all <resource-bundle> entries can be obtained)
• <o:graphicImage> now also supports SVG images with explicit type="svg" attribute and fragment attribute for SVG view modes
• @Cookie to inject a HTTP request cookie in a CDI managed bean
• CombinedResourceHandler now supports server-side caching of combined resources via org.omnifaces.COMBINED_RESOURCE_HANDLER_CACHE_TTL context param
• @Eager now also supports JSF 2.2 javax.faces.view.ViewScoped

• Second life for @ViewScoped
• FileServlet - New FileServlet with advanced HTTP range and caching support
• <o:viewAction> - Fix unintuitive "if" attribute of <f:viewAction>

• @ViewScoped - Improved
• <o:socket> - For web socket based push which can be accessed via CDI @Push
• <o:skipValidators> - To skip all validation during a UICommand action or an ajax request
• FileServlet - Supports customizing 404 error handling and attachment file name
• Beans#fireEvent() - To fire a CDI event object
• More utilities - Beans#isActive(scope) | of:formatThousands() | of:formatThousandsUnit() | of:formatNumberDefaultForLocale() | Faces#getViewName() | Ajax#load() | Servlets#getRemoteAddr()

• Components#getCurrentActionSource/ActionExpressionsAndListeners() - Which should ease a.o. logging JSF ajax actions
• <o:url> - Which fills the gap caused by absence of JSTL <c:url> in Facelets
• FullAjaxExceptionHandler - Got new logException override which allows determining the log reason
• of:reverseArray() - To reverse an array

3.0

• Dependencies are changed to Java 1.8, JSF 2.3, EL 3.0, Servlet 3.1, CDI 2.0 and BV 2.0
• Removed RichFaces compatibility since End of Life was declared for RichFaces in June 2016
• OmniFaces initialization will explicitly fail if CDI BeanManager is unavailable during application startup
• <o:form> now defaults to useRequestURI="true"
• <o:form> now defaults to partialSubmit="true"
• <o:validateBean showMessageFor="@violating"> will not anymore show "remaining" messages for properties which are not covered by JSF form
• ValidateMultipleFields will no longer skip readonly/disabled/unrendered components but instead supply their current model value
• org.omnifaces.component.output.cache package has been moved to org.omnifaces.util.cache
• Faces/FacesLocal and Servlets utility methods will now throw UncheckedIOException instead of IOException
• All in 2.x @Deprecated things have been removed and replaced by JSF 2.2 native passthrough attributes
• and other