• [10.x] Allow Sleep::until() to be passed a timestamp as a string by @jameshulse in #48883
• [10.x] Fix whereHasMorph() with nullable morphs by @MarkKremer in #48903
• [10.x] Handle class_parents returning false in class_uses_recursive by @RoflCopter24 in #48902
• [10.x] Enable default retrieval of all fragments in fragments() and fragmentsIf() methods by @tabuna in #48894
• [10.x] Allow placing a batch on a chain by @khepin in #48633
• [10.x] Dispatch 'connection failed' event in async http client request by @gdebrauwer in #48900
• authenticate method refactored to use null coalescing operator by @miladev95 in #48917
• [10.x] Add support for Sec-Purpose header by @nanos in #48925
• [10.x] Allow setting retain_visibility config option on Flysystem filesystems by @jnoordsij in #48935
• [10.x] Escape forward slashes when exploding wildcard rules by @matt-farrugia in #48936