New Minion Supports and Minions' Minions not working correctly

Hi, I am raising Spectral Tacticians, the ghost pirates from The Grand Promenade who cast Summon Raging Spirit as spectres.

When they are linked with Infernal Legion Support they burn for 40% of their maximum life per second, they get a swirly fire-aura animation and they deal burning damage to nearby enemies, exactly as expected.
The raging spirits they summon however, burn for 40% of their maximum life, gets the swirly fire animation but deal no burning damage to nearby enemies.
This seems unintended. They should get all the effects of the Burning Legion Support.

When they are linked with Feeding Frenzy Support, the spectres never get the green swirling feeding frenzy buff animation that a player gets. They do however get some green-smoke-looking thing next to them for a brief moment. Either the buff never applies to them or it isn't shown correctly, both options seemingly being a bug. I would think minions would be able to have the Feeding Frenzy buff just as they are able to have other generic buffs like Onslaught and Unholy Might.

I also tested these issues with Reanimators, the zombie raising dudes from Lunaris Temple, as spectres and they have the same issues.

I don't know if Elemental Army Support works correctly. (All effects ought to apply to the spectre and the spectre's minions as per the support gem's wording.) Since Exposure doesn't seem to have a visual effect it's kinda hard to test. Would love for a dev to check though, as these other issues lowers my confidence in it working as expected.

Lastly, on the topic of the new support gems paired with minions' minions: Does the "Minions from Supported Skills deal 24% more Damage to your Deathmarked Enemy" part of the Deathmark Support ever have an effect on the minions of a minion linked with the support? The players minion can't cast deathmark, but if the player the minion belongs to does, does the minions of the players minion get the damage multiplier?
Going by the wording on the support I would guess no, but would love some clarification.