Enhancements: ------------- * Add CLI flag (--merge-build-host) to restore pre-3.1.4 behavior with merging build and host envs #26260 Bug fixes: ---------- * Check recipe/metadata skip status in more places, rather than strictly at the top-level #2617 * fix unnecessary conforming of zip keys when distributing variants #2618 * fix matching of unrendered output names when matching rendered names #2618 * fix matching of partial (only used parts) of variants when lining up subpackages #2618 * fix handling of outputs with same name as top level when considering used vars #2618 * exclude top-level run_exports from applying to all outputs #2618 * Fix linking compiler runtimes from build to host prefix (was broken by build/host prefix split in 3.1.4) #2621 * Fix logic errors around merging build/host envs #2623 * fix run_exports in outputs being overwritten #2623