Is there a way to adjust smelt per tick like the previous config?

Bump, I'm curious as well. This is much more simple for new server owners, so I get why it was changed, but I really miss the old configuration/settings as well.

the current JSON is too minimalistic in flexibility. 
==============================
(current version)

{
"SmeltSpeed": 1,
"WoodRate": 1,
"CharcoalRate": 0.7,
"CanCookFoodInFurnace": false,
"UsePermissions": false,
"Large Furnace Multiplier": 1.0,
"Campfire Multiplier": 1.0,
"Oil Refinery Multiplier": 1.0,
"Water Purifier Multiplier": 1.0
}​

Verses:

(v3.0.3)

{
  "AmountsOfBecome": {
    "can_beans_empty": 15,
    "can_tuna_empty": 10,
    "chicken_raw": 1,
    "crude_oil": 3,
    "fish_raw": 1,
    "hq_metal_ore": 1,
    "humanmeat_raw": 1,
    "meat.bear.raw": 1,
    "meat.deer.raw": 1,
    "meat.horse.raw": 1,
    "meat.pork.raw": 1,
    "meat.wolf.raw": 1,
    "metal_ore": 1,
    "sulfur_ore": 1
  },
  "CharcoalMultiplier": 1,
  "CharcoalPercentLoss": 25,
  "CookInFurnaces": false,
  "CookTimes": {
    "can_beans_empty": 30.0,
    "can_tuna_empty": 30.0,
    "chicken_raw": 30.0,
    "crude_oil": 10.0,
    "fish_raw": 20.0,
    "hq_metal_ore": 20.0,
    "humanmeat_raw": 30.0,
    "meat.bear.raw": 30.0,
    "meat.deer.raw": 30.0,
    "meat.horse.raw": 26.0,
    "meat.pork.raw": 30.0,
    "meat.wolf.raw": 30.0,
    "metal_ore": 2.0,
    "sulfur_ore": 10.0
  },
  "ExpertModeEnabled": false,
  "OvenMultipliers": {
    "bbq.deployed": 1.0,
    "bbq.static": 1.0,
    "campfire": 1.0,
    "campfire_static": 1.0,
    "cursedcauldron.deployed": 1.0,
    "fireplace.deployed": 1.0,
    "furnace": 1.0,
    "furnace.large": 1.0,
    "furnace_static": 1.0,
    "hobobarrel_static": 1.0,
    "jackolantern.angry": 1.0,
    "jackolantern.happy": 1.0,
    "refinery_small_deployed": 1.0,
    "skull_fire_pit": 1.0,
    "small_refinery_static": 1.0
  },
  "OvercookMeat": false,
  "UsePermissions": false,
  "WoodFuelAmount": 10.0
}​

Merged post

just download the older version