Build 4020 'Mt Rainier' available

World Machine LTE

‘Mt Rainier’ Release

Build 4020

Build 4020 is a bugfix release for 4019 with some additional improvements, in particular to the River device.

This release is currently Dev-only for widespread testing before migrating to Release.


  • Added ‘interactive edit’ toggle to the layout view, to control if editing in that viewport should trigger a preview
  • Reduced minimum preview size to 32px

River device changes

  • Re-added a tab for controlling the GCS parameters of a river in the editor
  • Added back the various GCS overlay views to the River editor.
  • River now previews on vertex drag
  • River generation is multithreaded

Behavior Fixes

  • Macro memory conservation now matches 3028’s behavior: If the macro is listed in any workview tab menu, it will keep its contents
  • Changing the preview settings in program options will reset existing preview data
  • Re-added HFZ file IO support
  • Fixed bug where TIFF format was forcing output with extension .tiff instead of either .tif or .tiff.
  • Fixed bug where SVG import could not parse extended unicode characters
  • Fixed bug where the Reach Parameter, Parameter Bank devices were ignoring their input parameter packets.
  • Fixed bug where Select Aspect was ignoring its input parameter packets.
  • Fixed bug where the selected & frozen device setting was not preserved on save.
  • Fixed river flip-direction button not working
  • Fixed bug where river drop to terrain wasn’t committing change

Stability Bugfixes

  • Fixed crash when a user-specified folder is not accessible during startup
  • Fixed crash that could occur when applying build results to a project where the resolution changed partway through
  • Fixed crash & corruption bug when removing a GCS from a reach, as well as where it would sometimes “lose” a GCS.
  • Failure to page a packet to disk will no longer crash WM
  • Fixed crash when loading a TGA with a filename longer than 32 characters
  • Fixed crash on quit if autosave files can’t be accessed
  • Fixed rare crash when hovering over a wire
  • Fixed rare crash when hovering over a route point
  • Fixed rare crash in basic visual editor

Just dropping by on this one to say keep up the great work on World Machine! This release here is incredibly stable (At least for me. I do not seem to encounter any of the crashes I encountered before).

Well done!


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