• [8.4] Use PHP 8.4 array helpers in Arr utils by @jnoordsij in #56631
• [12.x] Test Improvements by @crynobone in #56635
• [12.x] Update orchestra/testbench-core deps by @crynobone in #56637
• refactor: update cid param name by @cpenned in #56634
• [12.x] Cache Singleton/Scoped attribute checks by @cosmastech in #56633
• [12.x] Add Arr::push() by @inxilpro in #56632
• [12.x] Add error message for doesnt_contain rule by @apih in #56644