Rule Machine 4.0 - 5.1 update

[john2020]

I have several RM 4.0 rule which are working fine. The hub is now running 2.3.3.140. I would like to know if there is any benefit to creating new rules with RM 5.1 to replace the RM 4.0 rules?

[pseudonym]

There are new capabilities within RM 5.1 but if your rules are fine then the only benefit I see is learning about those capabilities. For me, Required Expressions is worth learning, as well as Triggers and Waits with "stays". I'm still running several RM 3.0 and many 4.0/4.1 along with my 5.1 rules.

[jlv]

@john2020

is any benefit to creating new rules with RM 5.1 to replace the RM 4.0 rules?

@bravenel has said this many, many, many times:

Upgrade Rule 5.0 to 5.1 in 2.2.9?

No, there is not. People get hung up on this for false reasons. There is no reason to upgrade any existing rule. It will continue to work, continue to be editable, and be clonable, etc. It is a false concept that there is some advantage to upgrading old rules -- there is NO advantage. For many people, upgrading rules is an OCD thing, like I'm missing out on something if I don't upgrade. You're not missing out. If you want to take advantage of new features in 5.1 that weren't in 5.0, that…