v3.6.84 update > Invalid extension update

Hello,
I've tried to update from 3.6.83 to 3.6.84 and got message "Invalid extension update"

When looking at : "https://www.jevents.net/newupdates/package_jevents.xml"
it seems to refer to previous versions !?

Is it normal ?

Best regards,
Gilles

XML File :
<update>
<name>JEvents</name>
<clublevel>free</clublevel>
<description>JEvents Package Update</description>
<element>pkg_jevents</element>
<type>package</type>
<client>site</client>
<version>3.6.82</version>
<infourl title="JEvents">https://www.jevents.net/products-new/jevents</infourl>
<downloads>
<downloadurl type="full" format="zip">
https://www.jevents.net/newupdates/download/pkg_jevents_3.6.82.zip
</downloadurl>
</downloads>
<tags>