PvP is not enabled in 1.4.8 in the environment after Rust update May 4.

I have been using Zone Manager and this plugin to separate PvP and PvE zones, but PvP zones are not enabled under Rust's update May 4 or later.
It appears to be working for messages and ZoneManager zone functionality, but no damage is caused by PvP using this plugin.
Note that the server default settings are PvP settings, and since PvE is enabled by default with this plugin, it appears that anything created other than the default is not overriding the default enabled.
Are there any possibilities that you can think of?

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I'm also having a similar issue
Players are unable to do damage to Bradley at Launchsite also players cannot kill animals while they are in the PVP zones.

I have my test rule setup as seen in the attached image.  I am not sure what is managing your PVP zones, but this is a manual example.  I can spawn a player and a chicken, both of which can be killed inside that zone.

It is possible to have multiple instances in the database for each ruleset.  That shouldn't happen, but the best way to be sure is to delete the database file, reload the plugin, and reconfigure your options.  Worth trying as a last resort, and of course you can save the file rather than delete if you have to go back for some reason.

Found a possible issue here if using DynamicPVP, et al.

Changed Status from Pending to Closed

Changed Fixed In to Next Version

I have Dynamic PVP installed.
Do i need to remove it?

Thank you for the upgrade.
After upgrading to 1.4.9, I performed the same verification and PvP was not enabled.
The server default setting is PvE OFF and the whole area (Default) is set to PvE with NextGenPvE. (Animals and NPCs are set to kill.)
I use ZoneManager, create a PvP zone, use NextGenPVE there, and set the PvP setting to damage players, but it does not work.
I have deleted and recreated all the zones in the DataBase and ZoneManager of NextGenPVE and it is still the same.