docs: Update changelog with seek related changes

docs/changelog.rst

@@ -16,6 +16,11 @@ Core API
 - Start ``tlid`` counting at 1 instead of 0 to keep in sync with MPD's
   ``songid``.
 
+- `get_time_position` now returns the seek target while a seek is in progress.
+  This gives better results than just failing the position query.
+
+  (Fixes: :issue:`312` PR: :pr:`1346`)
+
 Models
 ------
 
@@ -83,6 +88,11 @@ Gapless
 - Tests have been updated to always use a core actor so async state changes
   don't trip us up.
 
+- Seek events are now triggered when the seek completes. Further changes have
+  been made to make seek work correctly for gapless related corner cases.
+
+  (Fixes: :issue:`1305` PR: :pr:`1346`)
+
 
 v1.1.2 (UNRELEASED)
 ===================