Thank you HzRetro[www.ugx-mods.com] for the suggestion!
Added support for Origins (https://www.ugx-mods.com/forum/mod-releases/75/world-at-war-zombies-weapon-pack/24597/msg173743#msg173743)
NOTE: weapon replacement for Maxis Drone EE reward hasn't been implemented yet due to an issue while building the mod

Thank you Monkey_Ray_4 for the suggestion!
Added basic support for gcp345's Der Riese. An option for weapon replacements is not implemented yet (also no PaP-d M1911 when downed in solo) but almost all other mod features should be functional.

Thank you poyzee for the suggestion!
Added lobby menu option to restore Improved BO3 Ray Gun
Added lobby menu option to choose between WaW M1911, BO M1911 and map-specific starting weapon
Added lobby menu option to remove Monkey Bombs from the mystery box

Thank you Spikem for the suggestion!
Added lobby menu options to disable power-ups that aren't in all WaW maps (Carpenter, Fire Sale, Death Machine, Bonus Points - Der Riese: Declassified)
Added lobby menu option to disable Solo Quick Revive

Added new wall weapon layouts to Kino der Toten

• As suggested by Conn6orsuper117
  
• An additional one to represent counterparts to BO weapons, with a further option to swap positions of FG42/BAR (replacing MPL/PM63)

Moved MP40 in Zetsubou no Shima Lab A to below area
Implemented Conn6orsuper117's request to have Type 100 inside Laboratory A

Special thanks to poyzee for providing me with the means to even start full development on DLC maps!

Added support for Der Eisendrache with lobby menu options to choose between poyzee's suggestion and Conn6orsuper117's suggestion
Added support for Zetsubou no Shima based on Conn6orsuper117's suggestion

Restored trip mine chalk drawing while I haven't yet added bouncing betty replacements

Issue reported by TheEpicMan, thanks for the help!
Fixed mystery box being unusable due to previous update's script override

Added Classic Mystery Box marker FX[web.archive.org]
Changed explosions to use Black Ops sounds for PaP M1911

Issue reported by Homerdinkle, thanks for the help!
Fixed missing PaP muzzle flashes (for M1911)

Issue reported by AriensXDude, thanks for the help!
Fixed missing rumble assets (controller vibration) for .357 Magnum, Arisaka, Gewehr 43, Kar98k, MG42, StG-44, PTRS, Ray Gun, Springfield

Ported over Lobby Menu Options from Black Ops 1 Zombies Weapon Pack:

change perk machine between PhD Flopper or Widow's Wine
remove Widow's Wine, Double Tap,Deadshot (for maps like Ascension) from the Wunderfizz pool or from Perkaholic/other sources as well
change Deadshot price to 1000
switch HUD perk icons to Black Ops 1 style, or BO III icons recoloured in the Black Ops 1 style
restore classic round change music
restore Classic Mystery Box FX
switch to two-hit-down system, with options that change between the different regeneration delays across the (partially hidden) WaW/BO difficulty level mechanic. Also includes adjustment to the critically injured overlay so there's an option that makes it show up after one hit pre-Jugg.
switch to classic revive animation
switch between Springfield and Kar98k on Verrückt
disable double pack-a-punch
disable Gobblegum Machine
disable Der Wunderfizz
replace Demonic Announcer with original Samantha, Moon Richtofen, BO II Richtofen, Origins Samantha, Shadowman
lower weapon when it would be blocked by obstructions (weaponrest_enabled 1)
disable sliding
restored burp sounds after drinking perks for maps that haven't set them
change zombie eye glow to orange, blue, red, white, green, purple, pink, or remove altogether
disable randomised perk machines on The Giant (+ Shadows of Evil and Zetsubou no Shima)

Added support for Kino der Toten and Call of the Dead

Issue reported by Conn6orsuper117, thanks for the help!
Fixed PaP BAR not ever replenishing the magazine at the end of the reload animation