Merge branch 'master' into release/elbe

Changelog.md

@@ -2,6 +2,30 @@
 
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
+## [Bridge 1.5.2] Golden Gate
+
+### Changed
+* GODT-883 Use `ClearPacket` for `text/plain` with signature
+
+
+## [Bridge 1.5.1] Golden Gate
+
+### Added
+* GODT-701 Try load messages one-by-one if IMAP server errors with batch load
+  and not interrupt the transfer.
+* GODT-878 Tests for send packet creation logic.
+
+### Changed
+* GODT-180 Updated Sentry client.
+* GODT-651 Build creates proper binary names.
+* GODT-878 Fix an issue where the random session key is inadvertently sent to
+  the Proton server. The data payload is always encrypted within TLS, but this
+  is still a potential privacy problem. Discovered by Proton's internal
+  security audit team.
+* GODT-878 Refactor and move the send packet creation logic to `pmapi.SendMessageReq`.
+* GODT-878 Encryption of session keys moved to pmapi.
+
+
 ## [IE 1.2.1, 1.2.2] Elbe
 
 ### Added
@@ -16,6 +40,7 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
 
 ## [Bridge 1.5.0] Golden Gate
+
 ### Changed
 * Updated go-mbox dependency back to upstream.