diff --git a/LICENSE b/LICENSE
index 1e729fcc..45837e76 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 ed
+Copyright (c) 2019 ed <oss@ocv.me>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/copyparty/__version__.py b/copyparty/__version__.py
index 2d614181..0a1c5ec3 100644
--- a/copyparty/__version__.py
+++ b/copyparty/__version__.py
@@ -1,8 +1,8 @@
 # coding: utf-8
 
-VERSION = (1, 9, 30)
+VERSION = (1, 9, 31)
 CODENAME = "prometheable"
-BUILD_DT = (2024, 1, 25)
+BUILD_DT = (2024, 2, 3)
 
 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 545a8e26..8ce72ec8 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1,3 +1,33 @@
+▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀  
+# 2024-0125-2252  `v1.9.30`  retime
+
+probably last release before v1.10 (IdP), please watch warmly
+
+## new features
+
+* option to replace serverside last-modified timestamps to match uploader's local files 55eb6921
+  * requires uploader to have write+delete permissions because it tampers with existing files
+  * in the browser-UI, enable with the `re📅` button in the settings tab `⚙️`
+  * u2c (commandline uploader): `--touch`
+* media player can shuffle songs now 01c82b54
+  * click `🔀` in the media-player settings tab `🎺` to enable
+* windows: retry deleting busy files 3313503e aa3a9719
+  * to support webdav-clients that upload and then immediately delete files (clonezilla)
+* options in batch-rename UI to ensure filenames are windows-safe b4e0a341
+* more support for older browsers 4ef31060
+  * ie9: gridview, navpane, text-viewer, text-editor
+  * ie9, firefox10: make sure toasts are properly closed
+
+## bugfixes
+
+* older chromes (and current iPhones) could randomly panic in incognito mode b32d6520
+* errormessage filepath sanitizer didn't catch histpaths in non-default locations 0f386c4b
+* now possible to mount the entire filesystem as a volume (please don't) 14bccbe4
+* on 32bit machines, disable sendfile when necessary to avoid python bug b9d0c853
+* `-q` would still print filesystem-indexing progress to STDOUT 6dbfcddc
+
+
+
 ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀  
 # 2024-0114-0629  `v1.9.29`  RAM friendly