Release 5.7.0: appversion & changelog

No functional changes from 5.7.0-rc1, just a few ChangeLog tweaks.

ChangeLog.md

@@ -27,14 +27,17 @@ produce the Windows executables and installer.
 
 ---
 
-Pre-Release 5.7.0-rc1
+Release 5.7.0
 ===
-This release allows CAPI queries for Legacy players.  This means that the
-'Update' button functionality is restored, along with "Automatically update on
-docking".
+This release re-enables CAPI queries for Legacy players.  As a result, the
+'Update' button functionality is now restored for Legacy players, along with
+"Automatically update on docking" functionality.
 
 * We now test against, and package with, Python 3.11.1, 32-bit.
 
+* This release is functionally identical to 5.7.0-rc1, as no problems were
+  reported with that.
+
 * As noted above, Legacy players now have CAPI functionality once more.
   Plugin developers check below for how you can determine the source galaxy
   of such data.

config/__init__.py

@@ -52,7 +52,7 @@
 # <https://semver.org/#semantic-versioning-specification-semver>
 # Major.Minor.Patch(-prerelease)(+buildmetadata)
 # NB: Do *not* import this, use the functions appversion() and appversion_nobuild()
-_static_appversion = '5.7.0-rc1'
+_static_appversion = '5.7.0'
 _cached_version: Optional[semantic_version.Version] = None
 copyright = '© 2015-2019 Jonathan Harris, 2020-2022 EDCD'