Merge pull request jamulussoftware#1701 from softins/changelog-380rc1

Added remaining items to change log and list translators

ChangeLog

@@ -1,6 +1,25 @@
 
 ### 3.8.0beta2dev <- NOTE: the release version number will be 3.8.0 ###
 
+- Mac: Updated to use Qt 5.12.10 for better compatibility with Big Sur (#1687).
+  This drops support for Yosemite and El Capitan in the distributed version.
+  (contributed by @softins)
+
+- Code: Added automatic code formatting with clang-format (#901, #1127).
+  (contributed by @passing)
+
+- GUI: Added "About Qt" to the help menu to display version of Qt (#1685, #1692).
+  (contributed by @softins)
+
+- GUI: Corrected the operation of What's This in the settings dialog (#1622, #1635).
+  (contributed by @dcorson-ticino-com)
+
+- GUI: Improved the muted speaker icon display (#1691).
+  (contributed by @henkdegroot)
+
+- Added new icons for Linux desktop use (#1672).
+  (contributed by @jujudusud)
+
 - Server: Improvements to multi-threading performance (#960)
   (contributed by @menzels, @softins)
 
@@ -34,9 +53,16 @@
   (contributed by @dcorson-ticino-com)
 
 - GUI: Translations have been updated
-  * Dutch, by @henkdegroot (#1562, #1556)
-  * French, by @trebmuh (#1299)
-  (further updates to follow until the final release)
+  * Dutch, by @henkdegroot (#1562, #1623)
+  * French, by @jujudusud (#1648)
+  * German, by @rolamos (#1677)
+  * Italian, by @dzpex (#1620)
+  * Polish, by @SeeLook (#1619)
+  * Portuguese Brazilian, by @melcon (#1671)
+  * Portuguese European, by @Snayler (#1689)
+  * Slovak, by @jose1711 (#1647)
+  * Spanish, by @ignotus666 (#1621)
+  * Swedish, by @genesisproject2020 (#1664, #1696)
 
 - Client: Automatic channel fader adjustment simplifies mixer setup by using the channel level meters (#1071).
   (contributed by @JohannesBrx)