mail-addons/mail_base/doc/changelog.rst

`1.1.0`
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- **New**: added ability to select channels for private message sending.

`1.0.5`
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**FIX**: polling errors on heavy server load

`1.0.4`
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**FIX**: issue related to clear cache

`1.0.3`
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**FIX**: error on clicking messages preview after sending new message

`1.0.2`
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- **FIX**: fixed an error with unsubscribing from channel or closing dialog window

`1.0.1`
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- **FIX**: clear messages cache on sending message via Mail Composer. Otherwise Sent, Arhives menus will have new message until user refresh whole web page

`1.0.0`
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- Init version