2.34.0 (28-Oct-2026)

• Feature: Define /MP in CMakeToolchain for clang-cl with Visual Studio generators (ClangCL toolset), like msvc. (#20439)
• Feature: Reduce local cache sqlite3 DB calls (33% fewer for regular installs with cached packages). (#20434)
• Feature: Simplify the build step terminal output, removing duplicated package references. (#20426)
• Feature: Add CMAKE_PREFIX_PATH as fallback to CMakeConfigDeps for cases beyond the <pkg>_DIR variable. (#20420). Docs: 📃
• Feature: Pass original URLs to backup source remotes in the X-Conan-Origin-Urls header. (#20385). Docs: 📃
• Feature: Update conan new bazel_lib and conan new bazel_exe templates to Bazel 7. (#20367). Docs: 📃
• Feature: Add a command_alias.conf file to define command aliases and shortcuts without writing a custom command. (#20365)
• Feature: Support the new CPS dyld_requires (CMake>=4.4) for transitive shared libraries on Linux. (#20362)
• Feature: Add cmake_file_names dict property to CMakeConfigDeps to generate several CMake CONFIG files per package. (#20298). Docs: 📃
• Feature: Add an optional components argument to aggregated_components() to aggregate only the given components. (#20298). Docs: 📃
• Feature: Always generate .ps1 environment launchers, alongside the .bat/.sh ones, for the consumer, editables and test_package. (#19649). Docs: 📃
• Fix: Clarify in the PackagesList.items() docstring that it only returns revision-specific information. (#20432)
• Fix: Add docstrings to the PkgReference class of the Python API. (#20431). Docs: 📃
• Fix: Remove the legacy warning about ConanCenter being frozen for Conan 1 clients. (#20425)
• Fix: Remove the python-dateutil dependency for Python>=3.11. (#20419)
• Fix: Resolve LocalAPI.editable_add relative output_folder against the cwd argument. (#20416)
• Fix: Make conan cache clean --backup-sources only clean the backup sources of the selected recipes. (#20415)
• Fix: Allow several negated patterns, and mixing them with inclusions, in remote --allowed-packages. (#20412)
• Fix: Avoid a VirtualRunEnv generation crash with win_bash=True when cross-building from Linux to Windows. (#20407)
• Fix: Correct Python API docstrings for ListAPI, CacheAPI and other subapis that did not match their behavior. (#20405)
• Fix: Correct the ListAPI.latest_recipe_revision docstring, as it always raises if the reference is not found. (#20400)
• Fix: Report a proper error for non-integer --lru time values. (#20399)
• Fix: Avoid duplicating tools.build:sharedlinkflags from conf in BazelToolchain. (#20390)
• Fix: Join multiple SBOM license expressions with AND to comply with the CycloneDX standard. (#20382)
• Fix: Allow running conan remote logout for disabled remotes. (#20381)
• Fix: Replace stale CONAN_RUNTIME_LIB_DIRS entries in CMakeConfigDeps when installing a new package revision. (#20378)
• Fix: Raise an error for --requires=pkg/version@_, an undocumented and unsupported Conan 1 legacy syntax. (#20371)
• Fix: Remove Conan 1.X legacy alias (undocumented and unsupported) code. (#20370)
• Fix: Make the workspace experimental warning skippable with core:skip_warnings. (#20369)
• Fix: Add deprecation warnings for Bazel 6 support in the BazelDeps generator. (#20367). Docs: 📃
• Fix: Filter CMakeConfigDeps target data based on require traits, aligned with CMakeDeps. (#20277). Docs: 📃
• Fix: tools.env.virtualenv:powershell no longer replaces the .bat/.sh launchers. self.run() only uses .ps1 launchers when this conf is defined. (#19649). Docs: 📃
• Bugfix: Avoid accumulating variables when calling GnuToolchain._environment several times. (#20446)
• Bugfix: Avoid internal rmdir failures when removing Windows folders with read-only permissions. (#20440)
• Bugfix: Do not install host profile [tool_requires] in conan install with only --tool-requires arguments. (#20422). Docs: 📃
• Bugfix: Do not remove pre-existing recipe revisions in ReportAPI.diff. (#20417)
• Bugfix: Make AuditAPI.auth_provider receive a provider name instead of a provider object, as documented. (#20414)
• Bugfix: Do not write --dynamic_mode=off in BazelToolchain when the recipe has no shared option. (#20390)
• Bugfix: Avoid random dictionary changed size during iteration errors in uploads with core.upload:parallel. (#20389)
• Bugfix: Avoid HTTP header cross-pollution between consecutive calls to the backup sources server. (#20386)
• Bugfix: Use tools.microsoft.msbuild:max_cpu_count for the -m argument in CMakeToolchain Visual Studio presets. (#20360)