Releases and Upgrading EN

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Release history and upgrading

Choose features

No optional features are enabled by default. Features are independent and additive; Cargo unifies features across dependencies in a build.

Feature	Since	Effect
blocking	1.3.0	Expose synchronous adapters using a shared Tokio runtime
send-policy	1.1.0	Expose explicit flight and queue limits; a socket setter activates them
recovery-policy	1.2.0	Expose deadline/probe/progress settings; defaults disable probes; compilation includes the documented timing correction

rust-raknet = { version = "1.4.0", features = ["blocking", "send-policy", "recovery-policy"] }

1.4.0

Transport core and public API behavior are unchanged from 1.3.0. This release adds a complete feature CI matrix, formatting checks, broader proxy/example checks, async/blocking benchmark drivers, resumable cross-protocol measurement and refreshed English/Chinese benchmark documentation. The 73.1 µs plain-send sparse RTT is a retest result, not a transport optimization.

1.3.0

Adds optional blocking calls, shared runtime ownership and deadline methods. Async users do not need to enable it or change code.

1.2.0

Adds optional recovery scheduling and eligible tail-datagram probes. Enable recovery-policy and apply settings per connection; see recovery semantics and historical measurements.

Upgrade procedure

Update the dependency requirement and compatible lockfile in an isolated source copy. Retain chosen features and explicit settings; features alone do not apply a send preset. Test against your peer versions, MTUs, channels and payload formats, then compare throughput, sparse/loaded latency and RSS with the same workload. Rust 1.85 remains the declared MSRV; edition 2024 is used.

There is no wire-format migration for 1.4.0. Recovery settings and blocking are local choices and are not negotiated on the wire. Library versions, RakNet protocol versions (10/11) and application/game versions are different numbers.

1.4.0 crate · Version diff