Session proposal: What's new in Gerrit 2.13

Overview of the new features introduced in Gerrit version 2.13

TBC who will present it. Hugo is releasing 2.13 so according to precedent
he would do it. Otherwise I will take it...

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+# What's New in Gerrit 2.13
+
+Overview of the new features included in Gerrit version 2.13.
+
+*TBC*
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