# Objective - Fixes #15451 ## Migration Guide - `World::init_component` has been renamed to `register_component`. - `World::init_component_with_descriptor` has been renamed to `register_component_with_descriptor`. - `World::init_bundle` has been renamed to `register_bundle`. - `Components::init_component` has been renamed to `register_component`. - `Components::init_component_with_descriptor` has been renamed to `register_component_with_descriptor`. - `Components::init_resource` has been renamed to `register_resource`. - `Components::init_non_send` had been renamed to `register_non_send`. |
||
|---|---|---|
| .. | ||
| change_detection.rs | ||
| component_hooks.rs | ||
| custom_query_param.rs | ||
| custom_schedule.rs | ||
| dynamic.rs | ||
| ecs_guide.rs | ||
| event.rs | ||
| fixed_timestep.rs | ||
| generic_system.rs | ||
| hierarchy.rs | ||
| iter_combinations.rs | ||
| nondeterministic_system_order.rs | ||
| observer_propagation.rs | ||
| observers.rs | ||
| one_shot_systems.rs | ||
| parallel_query.rs | ||
| removal_detection.rs | ||
| run_conditions.rs | ||
| send_and_receive_events.rs | ||
| startup_system.rs | ||
| system_closure.rs | ||
| system_param.rs | ||
| system_piping.rs | ||
| system_stepping.rs | ||