CHANGELOG.md in cloudenvoy-0.3.1 vs CHANGELOG.md in cloudenvoy-0.4.0

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+ new
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 # Changelog
 
-## [v0.3.1](https://github.com/keypup-io/cloudenvoy/tree/v0.3.1) (2020-10-05)
+## [v0.4.0](https://github.com/keypup-io/cloudenvoy/tree/v0.4.0) (2020-10-05)
 
-[Full Changelog](https://github.com/keypup-io/cloudenvoy/compare/v0.3.0...v0.3.1)
+[Full Changelog](https://github.com/keypup-io/cloudenvoy/compare/v0.3.1...v0.4.0)
 
 **Bug fix:**
 - Logging: fix log processing with `semantic_logger` `v4.7.2`. Accept any args on block passed to the logger.
+
+## [v0.3.1](https://github.com/keypup-io/cloudenvoy/tree/v0.3.1) (2020-10-05)
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+[Full Changelog](https://github.com/keypup-io/cloudenvoy/compare/v0.3.0...v0.3.1)
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+**Improvements:**
+- Development: auto-create topics in development mode when registering subscriptions.
 
 ## [v0.3.0](https://github.com/keypup-io/cloudenvoy/tree/v0.3.0) (2020-09-26)
 
 [Full Changelog](https://github.com/keypup-io/cloudenvoy/compare/v0.2.0...v0.3.0)
 
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