diff --git a/GUI/GuiMain.py b/GUI/GuiMain.py
index c26e8cc..5294046 100644
--- a/GUI/GuiMain.py
+++ b/GUI/GuiMain.py
@@ -1,4 +1,4 @@
-__version__ = "1.2b2"
+__version__ = "1.2"
 
 LICENSE = f"""Demucs-GUI {__version__}
 Copyright (C) 2022-2024  Carl Gao, Jize Guo, Rosario S.E.
diff --git a/history.md b/history.md
index 5a5ea47..276c830 100644
--- a/history.md
+++ b/history.md
@@ -1,5 +1,14 @@
 Note: Versions in *italic* means that the release is a beta version.
 
+### 1.2
+Release date: May. 18, 2024
+
+#### Fixes
+1. Fixed an issue that "copy video stream" can't deal with pure audio files with no video stream
+2. Added diffq as a requirement so quantized models can be used
+3. Fix segment length may greater than max available length which will cause an error
+4. Will only warn the user once if output file name and FFMpeg command may illegal
+
 ### *1.2b2*
 Release date: May. 13, 2024