The full release notes can be found on GitHub, here are some highlights:

• Added higher order tap (3abc4fb)
• Added FactoryBuilder::lazy() method (#18823)
• Support Redis Sentinel configuration (#18850)

• Added getManager() and setManager() to Illuminate\Queue\Worker
• Added ability to set the “timeout” and “persistent” options of a beanstalkd queue connection
• Added Collection::times() method
• Added ability to use…

v5.4.19 was just released that fixed a memory bug in Laravel’s container. Thanks to Laurence Ioannou for fixing it right away.

The release also made Mailer and SessionGuard macroable, introduced a new Model::newModelInstance() method and improved the queue…

• Allow Passport to integrate with other user providers
• Throw a MissingScopeException when a token is missing a required scope for an endpoint.

• Fixed an issue with running assertions against a JSON response
• Added validation messages for after_or_equal and before_or_equal rules
• Fixed compatibility issues with latest Illuminate\Database release.

• Reverting queue prefix option #18860 (#18987)
• Support conditional broadcasting (#18970, 2665d9b)
• Return null if key is not found from RedisStore:many() (#18984)