Update changelog

CHANGELOG

@@ -5,8 +5,9 @@ pyqtgraph-0.12.0
 
   New Features:
     - Qt6 Compatibility (thank you so much @pijyoi !)
-    - #1497 Allow toggling visibility via mouse click on LegendItem
+    - #1466 CuPy/CUDA support for ImageItem! (thanks you so much @outofculture !)
     - #1520/#1518 i18n Localization support for dialogs
+    - #1497 Allow toggling visibility via mouse click on LegendItem
     - #1527 Expand parameter tree documentation
     - #1563 Fixes to FlowChart documentation
     - #1534 Extend pixmaps for GraphIcons
@@ -25,8 +26,10 @@ pyqtgraph-0.12.0
     - #1569 Fix ScatterPlotItem performance regression
     - #1619 Stop PlotDataItem from always sending full style information to PlotCurveItem/ScatterPlotItem
     - #1630 Combine levels and lut only if both are present
-    - #1632 workaround for np.clip regression since numpy 1.17
+    - #1632/#1641/#1649 workaround for np.clip regression since numpy 1.17
     - #1641 Introduce functions.clip_array as faster replacement for currently slow np.clip
+    - #1637 PlotDataItem Fix viewRange <-> dynamic range limit
+    - #1650 Introduce functions.clip_scalar to clip scalar values
 
   API/Behavior Change:
     - #1476 Use log modulus transform for y-axis log scaling
@@ -38,6 +41,9 @@ pyqtgraph-0.12.0
     - #1573/1576 Add deprecation warnings to portions of library
     - #1587 qApp.property('darkMode') is now a dynamic property
     - #1613 Added keys() method to Parameter class
+    - #1646 Removed unhelpful warnings
+    - #1645 Make main stanza PyQt6 compatible
+    - #1644 Deprecate use of hex strings that do not start with "#" in mkColor
 
   Bug Fixes:
     - #1487 Fix InfiniteLabel object has no attribute 'updateText'
@@ -59,6 +65,9 @@ pyqtgraph-0.12.0
     - #1598 Remove references to self from lambdas for Signals
     - #1618 Install sys.excepthook for PyQt6
     - #1639 Fix transformations in GradientLegend
+    - #1647 Have GraphItem handle empty adjacency array
+    - #1653 Fix accidentally styled updates in PlotDataItem
+    - #1651 Use collections.abc for collections metaclasses in colormap.py
 
 pyqtgraph-0.11.1