Honestly would love to hear about the permanent progression, but don't sweat it. Going by everything we've heard, it's gonna be a long game. Better savor it!
Someone on Reddit has the game and provided some information:
Stuff that carries over:
"Unlocked weapon traits (snubnose, high caliber, homing shots, phasing shots). These will appear on weapons you pick-up. You can get a weapon with a locked trait and have to unlocked it first by using it.
Tools such as the Alt-fire module, fast-travel teleports and katana, keys such as to the house and teleports.
You carry ether over to the next cycle, it's a currency that can be used to remove debuffs on items before picking it up, or buy random artifact at the start of a cycle."
Stuff that is lost:
"Some that are lost: health upgrades, weapon, weapon proficiency(governs how high level weapons you get as drops), parasites, artifacts, consumables, keys, normal currency."
"Unlocked weapon traits (snubnose, high caliber, homing shots, phasing shots). These will appear on weapons you pick-up. You can get a weapon with a locked trait and have to unlocked it first by using it.
Tools such as the Alt-fire module, fast-travel teleports and katana, keys such as to the house and teleports.
You carry ether over to the next cycle, it's a currency that can be used to remove debuffs on items before picking it up, or buy random artifact at the start of a cycle."
Stuff that is lost:
"Some that are lost: health upgrades, weapon, weapon proficiency(governs how high level weapons you get as drops), parasites, artifacts, consumables, keys, normal currency."