• [10.x] Allow for relation key to be an enum by @AJenbo in #50311
• FIx for "empty" strings passed to Str::apa() by @tiagof in #50335
• [10.x] Fixed header mail text component to not use markdown by @dmyers in #50332
• [10.x] Add test for the "empty strings in Str::apa()" fix by @osbre in #50340
• [10.x] Fix the cache cannot expire cache with 0 TTL by @kayw-geek in #50359
• [10.x] Add fail on timeout to queue listener by @saeedhosseiinii in #50352
• [10.x] Support sort option flags on sortByMany Collections by @TWithers in #50269
• [10.x] Add whereAll and whereAny methods to the query builder by @musiermoore in #50344
• [10.x] Adds Reverb broadcasting driver by @joedixon in #50088