IBM released CR4 for IBM Connections 4.5 yesterday evening.

You can download CR4, TDISOL and some Cognos Updates at following links:

• Fix list for IBM Connections 4.5 CR4

• Updating the IBM Connections 4.5 databases to the required schema versions for Cumulative Refresh 4 (CR4)

• Fix Central Download Link

• New functions included in IBM Connections 4.5 CR4

New Functions

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After deploying CR4 you can enable some new features:

Hash tags in status update replies

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Add

<properties>
    <genericProperty name="com.ibm.connections.ublog.hashtagCommentEnabled">enabled</genericProperty>
</properties>

to lotusconnections-config.xml

Now you can use hash tags in replies.

Include file links in status update replies

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Activate with:

<properties>
    <genericProperty name="com.ibm.connections.ublog.attachmentCommentEnabled">enabled</genericProperty>
</properties>

Now you get a add file in the reply window and you can attach one file:

Expose activity stream search in the user interface and filter by

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hashtag

Activate with:

<properties>
    <genericProperty name="com.ibm.social.as.hashtagSearchEnabled">true</genericProperty>
</properties>

Search find hashtags in the activity stream now.

Community Folders

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Add following code to files-config.xml:

<folder>
    <community>
        <communityFolder enabled="true"/>
    </community>
</folder>

With this feature you can add folders in the files module of your community or in the community overview.

It is possible to share existing folders and create new ones:

@mentions via the activity stream API

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Activated by default, no additional configuration needed! I did not test this feature, but i think it is good.

Properties section of lotusconnections-config.xml after applying CR4

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To activate the new features of CR2 (nextGen Theme), CR3 (badging) and CR4 i have following settings in my lotusconnections-config.xml:

<properties>
    <genericProperty name="com.ibm.lconn.core.web.request.HttpRequestFilter.IECompatMode">false</genericProperty>
    <genericProperty name="com.ibm.lconn.core.web.styles.theme.default">gen4</genericProperty>
    <genericProperty name="com.ibm.connections.news.badgingEnabled">enabled</genericProperty>
    <genericProperty name="com.ibm.connections.ublog.hashtagCommentEnabled">enabled</genericProperty>
    <genericProperty name="com.ibm.connections.ublog.attachmentCommentEnabled">enabled</genericProperty>
    <genericProperty name="com.ibm.social.as.hashtagSearchEnabled">true</genericProperty>
</properties>

Update

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Luis Benitez mentions some more new features in his last blog post: Introducing File Sync for Mobile and More in IBM Connections 4.5 CR4