Questions about v2.6.0 NAT settings

[Et4vw9GRkw]

It seems that NAT is not working properly.
I usually use two OpenVPNs to protect my privacy online at the same time, but I upgraded PF to the latest 2.6.0.a.20210516.0100 a few days ago, and the trouble started here.

This is my settings,
A) System / Routing / Gateways -> Added WAN, OpenVPN 1 and OpenVPN 2 (No Groups);
B) Interfaces / Interface Assignments -> Added WAN, LAN, OpenVPN 1 and OpenVPN 2 (No Groups, Wireless, VLANs, QinQs, GREs, GIFs, Bridges, LAGGs);
C) VPN / OpenVPN / Clients -> OpenVPN 1 interface is WAN, and OpenVPN 2 interface is OpenVPN 1;
D) Firewall / NAT / Outbound -> All interfaces changed to OpenVPN 2 (No Port Forward, 1:1, NPt);
E) Firewall / Rules / LAN - Gateway changed to OpenVPN 2 (No Floating, WAN, OpenVPN, OpenVPN 1, OpenVPN2);
F) No Firewall / Aliases, Schedules, Traffic Shaper, Virtual IPs;
The LAN will not have any internet.

Note, OpenVPN 2 has been disabled PING service.

If
D) Firewall / NAT / Outbound -> All interfaces changed to OpenVPN 1 (No Port Forward, 1:1, NPt);
E) Firewall / Rules / LAN - Gateway changed to OpenVPN 1 (No Floating, WAN, OpenVPN, OpenVPN 1, OpenVPN2);
There is no problem.

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The temporary solution is,
System / Routing / Gateways / Default gateway -> Change to OpenVPN 2.

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I don't know if this is a bug. Because the developers don't think this is a bug.

Thanks.