@@ -56,7 +56,7 @@ classifiers = [
     "Topic :: Utilities"
 ]
 dependencies = [
-    "PySide6>=6.5.0",
+    "PySide6>=6.5.0,!=6.12.0",
 ]
 
 [project.optional-dependencies]
 
@@ -1,2 +1,3 @@
 # CodeBox Dependencies
-PySide6>=6.5.0
+# 6.12.0 corrupts None refcounts in isolated Qt callbacks (diagnostic PR #4).
+PySide6>=6.5.0,!=6.12.0
Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ classifiers = [`
`56`	`56`	`"Topic :: Utilities"`
`57`	`57`	`]`
`58`	`58`	`dependencies = [`
`59`		`- "PySide6>=6.5.0",`
	`59`	`+ "PySide6>=6.5.0,!=6.12.0",`
`60`	`60`	`]`
`61`	`61`
`62`	`62`	`[project.optional-dependencies]`