diff --git a/copyparty/__version__.py b/copyparty/__version__.py
index 1b83babd..2845babd 100644
--- a/copyparty/__version__.py
+++ b/copyparty/__version__.py
@@ -1,8 +1,8 @@
 # coding: utf-8
 
-VERSION = (1, 9, 20)
+VERSION = (1, 9, 21)
 CODENAME = "prometheable"
-BUILD_DT = (2023, 11, 21)
+BUILD_DT = (2023, 11, 25)
 
 S_VERSION = ".".join(map(str, VERSION))
 S_BUILD_DT = "{0:04d}-{1:02d}-{2:02d}".format(*BUILD_DT)
diff --git a/docs/changelog.md b/docs/changelog.md
index 60481b23..452a5c81 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,3 +1,17 @@
+▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀  
+# 2023-1121-2325  `v1.9.20`  nice
+
+## new features
+* expensive subprocesses (ffmpeg, parsers, hooks) will run with `nice` to reduce cpu priority
+  * ...so listening to flacs won't grind everything else to a halt
+
+## bugfixes
+* the "load more" search results button didn't disappear if you hit the serverside limit
+* the "show all" button for huge folders didn't disappear when navigating into a smaller folder
+* trying to play the previous track when you're already playing the first track in a folder would send you on a wild adventure
+
+
+
 ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀  
 # 2023-1119-1229  `v1.9.19`  shadow filter