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› bevy_ecs › Features

Cargo Features

[dependencies]
bevy_ecs = { version = "0.17.1", default-features = false, features = ["multi_threaded", "serialize", "bevy_reflect", "reflect_functions", "reflect_auto_register", "backtrace", "trace", "detailed_trace", "bevy_debug_stepping", "track_location", "async_executor", "std", "critical-section", "hotpatching"] }
default = async_executor, backtrace, bevy_reflect, std

These default features are set whenever bevy_ecs is added without default-features = false somewhere in the dependency tree.

multi_threaded

Functionality

Enables multithreading support. Schedules will attempt to run systems on multiple threads whenever possible.

Enables arrayvec, multi_threaded of bevy_tasks

Affects iterators::MessageParIter, mut_iterators::MessageMutParIter…

serialize

Adds serialization support through serde.

Enables serde, serialize of bevy_platform, serde of indexmap

bevy_reflect default reflect_auto_register? reflect_functions?

Adds runtime reflection support using bevy_reflect.

Enables bevy_reflect

Affects clone::component_clone_via_reflect, bevy_ecs::reflect, world::reflect…

reflect_functions = bevy_reflect

Extends reflection support to functions.

Enables functions of bevy_reflect

Affects reflect::AppFunctionRegistry…

reflect_auto_register = bevy_reflect

Enables auto_register of bevy_reflect

bevy_reflect:

Enables automatic reflect registration. Does nothing by itself, must select auto_register_inventory or auto_register_static to make it work.

backtrace default = std

Enables automatic backtrace capturing in BevyError

Affects bevy_error::bevy_error_panic_hook…

trace detailed_trace? = std

Debugging Features

Enables tracing integration, allowing spans and other metrics to be reported through that framework.

Enables tracing, debug of bevy_utils

detailed_trace = trace

Enables a more detailed set of traces which may be noisy if left on by default.

bevy_debug_stepping

Provides system stepping support, allowing them to be paused, stepped, and other debug operations which can help with diagnosing certain behaviors.

track_location

Provides more detailed tracking of the cause of various effects within the ECS.
This will often provide more detailed error messages.

async_executor default = std

Executor Backend

Uses async-executor as a task execution backend. This backend is incompatible with no_std targets.

Enables async_executor of bevy_tasks

std default async_executor backtrace trace?

Platform Compatibility

Allows access to the std crate. Enabling this feature will prevent compilation on no_std targets, but provides access to certain additional features on supported platforms.

Enables parallel and std of bevy_utils, std of bevy_platform, optional arrayvec, and optional bevy_reflect, std of bitflags, concurrent-queue, fixedbitset, indexmap, log, nonmax, and optional serde

critical-section

critical-section provides the building blocks for synchronization primitives on all platforms, including no_std.

Enables critical-section of bevy_platform and optional bevy_reflect

hotpatching

Enables subsecond

Affects bevy_ecs::HotPatched, bevy_ecs::HotPatchChanges, system::System.refresh_hotpatch…