Extend optional dependency supported versions to include 0.12.

.github/workflows/ci.yml

@@ -173,7 +173,7 @@ jobs:
         name: Prepare minimal package versions (MSRV only)
         run: |
           cargo update -p indexmap --precise 1.6.2
-          cargo update -p hashbrown:0.11.2 --precise 0.9.1
+          cargo update -p hashbrown:0.12.0 --precise 0.9.1
 
       - name: Build docs
         run: cargo doc --no-deps --no-default-features --features "full ${{ matrix.extra_features }}"

CHANGELOG.md

@@ -6,6 +6,12 @@ PyO3 versions, please see the [migration guide](https://pyo3.rs/latest/migration
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [unreleased]
+
+### Packaging
+
+- Extend `hashbrown` optional dependency supported versions to include 0.12. [#????](https://github.com/PyO3/pyo3/pull/????)
+
 ## [0.16.0] - 2022-02-27
 
 ### Packaging

Cargo.toml

@@ -33,7 +33,7 @@ inventory = { version = "0.2.0", optional = true }
 # crate integrations that can be added using the eponymous features
 anyhow = { version = "1.0", optional = true }
 eyre = { version = ">= 0.4, < 0.7", optional = true }
-hashbrown = { version = ">= 0.9, < 0.12", optional = true }
+hashbrown = { version = ">= 0.9, < 0.13", optional = true }
 indexmap = { version = ">= 1.6, < 1.8", optional = true }
 num-bigint = { version = "0.4", optional = true }
 num-complex = { version = ">= 0.2, < 0.5", optional = true }