Cargo Features

ImGui has no features set by default.

[dependencies]
imgui = { version = "0.12.0", features = ["wasm", "freetype", "docking", "tables-api"] }
wasm

Enables wasm of imgui-sys

freetype

Enables freetype of imgui-sys

docking

Enables docking of imgui-sys

Affects io::Io.config_docking_no_split, io::Io.config_docking_with_shift, io::Io.config_docking_always_tab_bar, io::Io.config_docking_transparent_payload, io::Io.config_viewports_no_auto_merge, io::Io.config_viewports_no_task_bar_icon, io::Io.config_viewports_no_decoration, io::Io.config_viewports_no_default_parent

tables-api

this api is in beta in the upstream imgui crate. See issue #524 for more info.
it should be stable and fine to use though.