v2.1.0

What's Changed

• Fix warnings when using absl::Mutex by @greg7mdp in #272
• Define umul128 in phmap namespace. by @greg7mdp in #273
• Fix cstdlib include in phmap by @aviraxp in #278
• Fix warnings with clang-20/-Wconversion by @greg7mdp in #282
• Fix warnings with clang-21 by @greg7mdp in #284
• CMakeLists.txt: use external gtest, fallback to fetching the source by @barracuda156 in #288
• Fix check for arm32 so umul is used consistently on gcc and clang when building on arm64. by @greg7mdp in #290
• Fix incorrect code in parallel_node_hash_set emplace. by @greg7mdp in #293
• Optimize traversing empty map by @Caulm in #297
• Use std::allocator_traits<T> to avoid deprecation warnings with modern compilers by @greg7mdp in #301
• Fix rehash(0) producing a 100%-full table by @wenyekui in #303
• Make sure that calls to reserve <= than the current size leave the capacity unchanged by @greg7mdp in #304
• Fix issue greg7mdp/gtl#59 by @greg7mdp in #305

New Contributors

• @aviraxp made their first contribution in #278
• @Caulm made their first contribution in #297
• @wenyekui made their first contribution in #303

Full Changelog: v2.0.0...v2.1.0