Official version history and changelog information for Surfer (2022). 

Surfer 23.1.162 (January 3, 2022)

New Features and improvements:

• 3D View: digitize point locations and save XYZ coordinates
• 3D View: improved accuracy of reported XYZ coordinates in the status bar
• Color Scale: add Frame with line and fill colors
• Color Scale: identify which layer it belongs to in Properties
• File Export: export a base layer with numeric attributes to a data format with numeric attributes
• Grid layers: Info page: display some grid information in the Properties window
• Map Wizard: create peaks and depressions layer
• Map Wizard: create point cloud layer
• Option to disable some warnings
• Save grid as grid-type GeoTIFF (TIF files with Zs instead of colors)
• Map Scale Bar: add Frame with line and fill colors
• Surface Map: show the base side-fill to a specified Z value
• Worksheet and Attribute Table: Save numeric values as numeric to DBF (do not convert them to text)

Fixes:

• 3D View: Point symbols did not export to 3D PDF or VRML correctly
• Base layer: Sub-selection bounding box was not updated correctly with undo/redo
• Crash after creating 3D view and getting error 'Unable to initialize the OpenGL context'
• Crash in 3D view after getting error about video driver
• Crash when printing
• Download Online Grids: WCS: Surfer was not downloading grid GeoTIFFs correctly
• Drawn polylines were sometimes shifted when opening a project saved in previous version
• Drillhole layer: deviation paths were displayed in 3D in the 2D plot window
• Grid Info: reported -nan(ind) for some statistics
• Internal Error in 3D view displaying drillholes (StatePresenter.cpp)
• Internal Error when moving a graticule layer from one map to another (GraticuleHelpers.cpp)
• Opening some Surfer 16 SRF files (e.g. MapTypes.srf) shut Surfer down
• Selection boxes did not update when adding shapes