v0.6.5

Lots of additions

• Fine tune window geometry:
  • save & restore window position & size
  • support for full screen
  • auto size window from its inner widgets
  • handle high dpi (especially on windows)
• Crisp fonts on MacOS
• Backend support: can switch between sdl and glfw
• Added python support to ImGuiColorTextEdit
• Powersave: reduce app fps when idle
• Add toggle switches from https://github.com/cmdwtf/imgui_toggle.git
• Support for jupyter notebook (with inline screenshots), via imgui_bundle.run_nb
  (see https://github.com/pthom/imgui_bundle/blob/main/bindings/imgui_bundle/demos/notebooks/demo_notebook.ipynb)

Full Changelog: v0.6.4...v0.6.5