Update changelog

2018-12-04 10:24:44 +01:00 · 2018-12-04 10:24:44 +01:00 · 2cef9c4fcf
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+# v1.12.2
+
+## Bugfix
+* irc: Fix multiple channel join regression. Closes #639
+* slack: Make slack-legacy change less restrictive (#626)
+
 # v1.12.1

 ## Bugfix