# Changelog All notable changes to this project will be documented in this file. 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] ## [1.1.10](https://github.com/Amanieu/thread_local-rs/compare/v1.1.9...v1.1.10) - 2026-07-10 ### Fixed - Fix undefined behavior when `get_or` or `get_or_try` reentrantly initializes the same `ThreadLocal` (#97). - Fix an integer underflow in iterator `size_hint` implementations (#89). - Fix compilation with the `nightly` feature enabled (#96). ### Changed - `ThreadLocal::get` no longer allocates a thread ID or registers a thread-local destructor when no value exists for the current thread (#84). ## [1.1.9](https://github.com/Amanieu/thread_local-rs/compare/v1.1.8...v1.1.9) - 2025-06-12 ### Other - Add release-plz for automated releases - Remove once_cell dependency - Bump MSRV to 1.61