NewYour coding agent can read the release notes before it upgrades.Set up the MCP server →
crates.io · #4122 most downloaded on crates.io
Common collection traits
Last release 3 years ago
no release in 18 months
Release timing varies
gaps range from 8 days to 7 months
Some releases are documented
notes for 8 of 17 stable releases
2 versions withdrawn
withdrawn after publishing
6 years old
19 releases · first in 2021
One column per quarter.
Changed the "nostd" feature to "std". Enables std collection implementations. Enabled by default.
std collection implementations. Enabled by default.SimpleKeyedRef trait.simple_collection_* and simple_keyed_*.no_std.alloc collection implementations.
Enabled by default.GATs are stabilized! No more unstable generic_associated_types feature.
generic_associated_types feature.where clauses around in the docs (see issue https://github.com/rust-lang/rust/issues/89122).Nothing published for this version
Traits replacing traits aliases when the nightly feature is not enabled. Required since trait aliases seem stalled and won't be stable for a while.
nightly feature is not enabled.
Required since trait aliases seem stalled and won't be stable for a while.Explicit bound Self: 'long in reference upcast functions (upcast_item_ref, upcast_item_mut, upcast_key_ref). This is required by the latest version of
Self: 'long in reference upcast functions (upcast_item_ref, upcast_item_mut, upcast_key_ref).
This is required by the latest version of Rust.add impl GetKeyValue for serde_json::Map<String, serde_json::Value> .
GetKeyValue for serde_json::Map<String, serde_json::Value>.GetKeyValue for serde_json::Map<String, serde_json::Value>.GetKeyValue and GetKeyValueMut. Implementations for HashMap, BTreeMap and ijson::Object.
GetKeyValue and GetKeyValueMut.
Implementations for HashMap, BTreeMap and ijson::Object.Nothing published for this version
Required Clone traits on immutable reference types.
Clone traits on immutable reference types.Get and GetMut impls for SmallVec.
Get and GetMut impls for SmallVec.Fix features slab and smallvec.
slab and smallvec.Errors with features slab and smallvec.
slab and smallvec.Keyed and KeyedRef traits.Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Your coding agent can read these notes before it upgrades. Set up the MCP server →