• Introduced the PLATFORMIO_RUN_JOBS environment variable, allowing manual override of the number of parallel build jobs (issue #5077)
• Added support for tar.xz tarball dependencies (pull #4974)
• Ensured that dependencies of private libraries are no longer unnecessarily re-installed, optimizing dependency management and reducing redundant operations (issue #4987)
• Resolved an issue where the compiledb target failed to properly escape compiler executable paths containing spaces (issue #4998)
• Resolved an issue with incorrect path resolution when linking static libraries via the build_flags option (issue #5004)
• Resolved an issue where the --project-dir flag did not function correctly with the pio check and pio debug commands (issue #5029)
• Resolved an issue where the LDF occasionally excluded bundled platform libraries from the dependency graph (pull #4941)