diff --git a/packages/core/src/design.mjs b/packages/core/src/design.mjs
index 74c19cf3934..bb2c8a774dc 100644
--- a/packages/core/src/design.mjs
+++ b/packages/core/src/design.mjs
@@ -1,43 +1,40 @@
 import Pattern from './pattern.mjs'
 import { addPartConfig } from './utils.mjs'
 
+
 /*
  * The Design constructor. Returns a Pattern constructor
  * So it's sort of a super-constructor
  */
-export default function Design(config, plugins = false, conditionalPlugins = false) {
-  // Add part options/measurements/optionalMeasurements to config
-  if (!config.options) config.options = {}
-  if (!config.measurements) config.measurements = []
-  if (!config.optionalMeasurements) config.optionalMeasurements = []
-  if (Array.isArray(config.parts)) {
-    const parts = {}
-    for (const part of config.parts) {
-      if (typeof part === 'object') {
-        parts[part.name] = part
-        config = addPartConfig(parts[part.name], config)
-      } else if (typeof part === 'string') {
-        parts[part] = part
-      } else throw("Part should be passed as a name of part config object")
-    }
-    config.parts = parts
-  }
+export default function Design(config) {
 
-  // Ensure all options have a hide() method
-  config.options = optionsWithHide(config.options)
+  // Merge config with defaults
+  config = {
+    parts: [],
+    options: {},
+    measurements: [],
+    optionalMeasurements: [],
+    plugins: [],
+    conditionalPlugins: [],
+    ...config
+  }
+  const parts = {}
+  for (const part of config.parts) {
+    if (typeof part === 'object') {
+      parts[part.name] = part
+      config = addPartConfig(parts[part.name], config)
+    }
+    else throw("Invalid part configuration. Part is not an object")
+  }
+  // Replace config.parts with the resolved config
+  config.parts = parts
+
+  // Ensure all options have a hide() method and menu property
+  config.options = completeOptions(config.options)
 
   // A place to store deprecation and other warnings before we even have a pattern instantiated
   config.warnings = []
 
-  /*
-   * The newer way to initalize a design is to pass one single parameter
-   * The old way passed multiple parameters.
-   * So let's figure out which is which and be backwards compatible
-   *
-   * This mitigation should be removed in v3 when we drop support for the legacy way
-   */
-  config = migrateConfig(config, plugins, conditionalPlugins)
-
   const pattern = function (settings) {
     Pattern.call(this, config)
 
@@ -66,55 +63,22 @@ export default function Design(config, plugins = false, conditionalPlugins = fal
   return pattern
 }
 
-/*
- * Helper method to handle the legacy way of passing configuration
- * to the design constructor
- */
-const migrateConfig = (config, plugins, conditionalPlugins) => {
-
-  // Migrate plugins
-  if (plugins && config.plugins) config.warnings.push(
-    'Passing plugins to the Design constructor both as a second parameter and in the config is unsupported',
-    'Ignoring plugins passed as parameter. Only config.plugins will be used.'
-  )
-  else if (plugins && !config.plugins) {
-    config.plugins = plugins
-    config.warnings.push(
-      'Passing a plugins parameter to the Design constructure is deprecated',
-      'Please store them in the `plugins` key of the config object that is the first parameter'
-    )
-  } else if (!config.plugins) config.plugins = []
-
-  // Migrate conditional plugins
-  if (conditionalPlugins && config.conditionalPlugins) config.warnings.push(
-    'Passing conditionalPlugins to the Design constructor both as a third parameter and in the config is unsupported.',
-    'Ignoring conditionalPlugins passes as parameter. Only config.conditionalPlugins will be used.',
-  )
-  else if (conditionalPlugins && !config.conditionalPlugins) {
-    config.conditionalPlugins = conditionalPlugins
-    config.warnings.push(
-      'Passing a conditionalPlugins parameter to the Design constructure is deprecated.',
-      'Please store them in the `conditionalPlugins` key of the config object that is the first parameter'
-    )
-  }
-  else if (!config.conditionalPlugins) config.conditionalPlugins = []
-
-  return config
-}
-
 /*
  * A default hide() method for options that lack it
- * Since this will always return false, the option will never be hidden
+ * As this always return false, the option will never be hidden
  */
-const hide = () => false // The default hide() method
+const hide = () => false
 
 /*
  * Helper method to add the default hide() method to options who lack one
+ * as well as set the `menu` property to false (if it's missing)
  */
-const optionsWithHide = options => {
+const completeOptions = options => {
   if (options) {
     for (const option in options) {
-      if (typeof options[option] === 'object') options[option] = { hide, ...options[option] }
+      if (typeof options[option] === 'object') {
+        options[option] = { hide, menu: false, ...options[option] }
+      }
     }
   }
 
diff --git a/packages/core/src/part.mjs b/packages/core/src/part.mjs
index 78265d05d88..e7b5882970d 100644
--- a/packages/core/src/part.mjs
+++ b/packages/core/src/part.mjs
@@ -57,8 +57,8 @@ Part.prototype.getId = function (prefix = '') {
 
 /** Returns a value formatted for units provided in settings */
 Part.prototype.unitsClosure = function (value) {
-  let self = this
-  let method = function (value) {
+  const self = this
+  const method = function (value) {
     if (self.context.settings.debug && typeof value !== 'number')
       self.context.raise.debug(
         `Calling \`units(value)\` but \`value\` is not a number (\`${typeof value}\`)`
diff --git a/packages/core/src/pattern.mjs b/packages/core/src/pattern.mjs
index 32b296b3b65..81aac7d24d9 100644
--- a/packages/core/src/pattern.mjs
+++ b/packages/core/src/pattern.mjs
@@ -15,7 +15,7 @@ import Svg from './svg.mjs'
 import Store from './store.mjs'
 import Hooks from './hooks.mjs'
 import Attributes from './attributes.mjs'
-import pkg from '../package.json'
+import { version } from '../package.json' assert { type: 'json' }
 
 export default function Pattern(config = { options: {} }) {
 
@@ -28,41 +28,45 @@ export default function Pattern(config = { options: {} }) {
     margin: 2,
     scale: 1,
     layout: true,
-    debug: true,
+    debug: false,
     options: {},
     absoluteOptions: {},
   }
 
   // Object to hold events
   this.events = {
-    info: [],
-    warning: [],
-    error: [],
     debug: [],
+    error: [],
+    info: [],
+    suggestion: [],
+    warning: [],
   }
 
   // Raise methods - Make events and settings avialable in them
   const events = this.events
   const settings = this.settings
   this.raise = {
+    debug: function (data) {
+      // Debug only if debug is active
+      if (settings.debug) events.debug.push(data)
+    },
+    error: function (data) {
+      events.error.push(data)
+    },
     info: function (data) {
       events.info.push(data)
     },
+    suggestion: function (data) {
+      events.info.push(data)
+    },
     warning: function (data) {
       events.warning.push(data)
     },
-    error: function (data) {
-      events.error.push(data)
-    },
-    debug: function (data) {
-      // Debug only if debug is active
-      if (settings.debug) events.debug.push(data)
-    },
   }
 
   // Say hi
   this.raise.info(
-    `New \`@freesewing/${config.name}:${config.version}\` pattern using \`@freesewing/core:${pkg.version}\``
+    `New \`@freesewing/${config.name}:${config.version}\` pattern using \`@freesewing/core:${version}\``
   )
 
   // More things that go in a pattern
@@ -72,7 +76,6 @@ export default function Pattern(config = { options: {} }) {
   this.is = '' // Will be set when drafting/sampling
   this.autoLayout = { parts: {} } // Will hold auto-generated layout
   this.cutList = {} // Will hold the cutlist
-
   this.store = new Store(this.raise) // Store for sharing data across parts
   this.parts = {} // Parts container
   this.hooks = new Hooks() // Hooks container
@@ -81,6 +84,7 @@ export default function Pattern(config = { options: {} }) {
   this.Snippet = Snippet // Snippet constructor
   this.Attributes = Attributes // Attributes constructor
   this.initialized = 0 // Keep track of init calls
+  this.macros = {} // Macros
 
   if (typeof this.config.dependencies === 'undefined') this.config.dependencies = {}
   if (typeof this.config.inject === 'undefined') this.config.inject = {}
@@ -94,9 +98,6 @@ export default function Pattern(config = { options: {} }) {
     }
   }
 
-  // Macros
-  this.macros = {}
-
   // Context object to add to Part closure
   const context = {
     parts: this.parts,
@@ -148,11 +149,18 @@ Pattern.prototype.addOptions = function(options={}) {
   return this
 }
 
+/* Utility method to get the (initialized) config */
 Pattern.prototype.getConfig = function () {
   this.init()
   return this.config
 }
 
+/* Utility method to get the (initialized) part list */
+Pattern.prototype.getPartList = function () {
+  this.init()
+  return Object.keys(this.config.parts) || []
+}
+
 
 /*
  * Defer some things that used to happen in the constructor to
@@ -163,11 +171,8 @@ Pattern.prototype.init = function () {
   // Resolve all dependencies
   this.dependencies = this.config.dependencies
   this.inject = this.config.inject
-  this.hide = this.config.hide
-  if (typeof this.config.parts === 'object') {
-    this.__parts = this.config.parts
-    this.preresolveDependencies()
-  }
+  this.__parts = this.config.parts
+  this.preresolveDependencies()
   this.resolvedDependencies = this.resolveDependencies(this.dependencies)
   this.config.resolvedDependencies = this.resolvedDependencies
   this.config.draftOrder = this.draftOrder(this.resolvedDependencies)
@@ -250,8 +255,7 @@ Pattern.prototype.runHooks = function (hookName, data = false) {
 /*
  * Allows adding a part at run-time
  */
-Pattern.prototype.addPart = function (part, name=false) {
-  if (!part.draft) part = decoratePartDependency(part, name)
+Pattern.prototype.addPart = function (part) {
   if (typeof part?.draft === 'function') {
     if (part.name) {
       this.config.parts[part.name] = part
@@ -260,7 +264,7 @@ Pattern.prototype.addPart = function (part, name=false) {
     }
     else this.raise.error(`Part must have a name`)
   }
-  else this.raise.warning(`Cannot attach part ${name} because it is not a part`)
+  else this.raise.error(`Part must have a draft() method`)
 
   return this
 }
@@ -309,7 +313,6 @@ Pattern.prototype.draft = function () {
     }
     if (this.needs(partName)) {
       // Draft part
-      const method = 'draft' + capitalize(partName)
       if (typeof this.__parts?.[partName]?.draft === 'function') {
         // 2022 way - Part is contained in config
         try {
@@ -319,25 +322,7 @@ Pattern.prototype.draft = function () {
           this.raise.error([`Unable to draft part \`${partName}\``, err])
         }
       }
-      else if (typeof this[method] === 'function') {
-        // Legacy way - Part is attached to the prototype
-        this.raise.warning(`Attaching part methods to the Pattern prototype is deprecated and will be removed in FreeSewing v3 (part: \`${partName}\`)`)
-        try {
-          this.parts[partName] = this[method](this.parts[partName])
-          if (this.parts[partName].render ) this.cutList[partName] = this.parts[partName].cut
-        } catch (err) {
-          this.raise.error([`Unable to draft part \`${partName}\``, err])
-        }
-      }
-      else {
-        this.raise.error(`Unable to draft pattern. Part is not available in iether legacy or 2022`)
-        throw new Error('Method "' + method + '" on pattern object is not callable')
-      }
-      if (typeof this.parts[partName] === 'undefined') {
-        this.raise.error(
-          `Result of \`pattern.${method}\` was \`undefined\`. Did you forget to return the \`Part\` object?`
-        )
-      }
+      else this.raise.error(`Unable to draft pattern. Part.draft() is not callable`)
       try {
         this.parts[partName].render =
           this.parts[partName].render === false ? false : this.wants(partName)
@@ -689,7 +674,7 @@ Pattern.prototype.addDependency = function (name, part, dep) {
   return this
 }
 
-/** Filter optional measurements out of they are also required measurements */
+/** Filter optional measurements out if they are also required measurements */
 Pattern.prototype.filterOptionalMeasurements = function () {
   this.config.optionalMeasurements = this.config.optionalMeasurements.filter(
     m => this.config.measurements.indexOf(m) === -1
@@ -755,11 +740,11 @@ Pattern.prototype.resolveDependencies = function (graph = this.dependencies) {
   }
 
   // Include parts outside the dependency graph
-  if (typeof this.config.parts === 'object') {
-    for (const part of Object.values(this.config.parts)) {
-      if (typeof part === 'string' && typeof this.dependencies[part] === 'undefined') this.dependencies[part] = []
-    }
-  }
+  //if (typeof this.config.parts === 'object') {
+  //  for (const part of Object.values(this.config.parts)) {
+  //    if (typeof part === 'string' && typeof this.dependencies[part] === 'undefined') this.dependencies[part] = []
+  //  }
+  //}
 
   let resolved = {}
   let seen = {}
@@ -796,26 +781,19 @@ Pattern.prototype.needs = function (partName) {
 
 /* Checks whether a part is hidden in the config */
 Pattern.prototype.isHidden = function (partName) {
-  if (Array.isArray(this.hide)) {
-    if (this.hide.indexOf(partName) !== -1) return true
-  }
-  // 2022 style
-  if (this.__parts?.[partName]?.hide) return true
-
-  return false
+  return (this.__parts?.[partName]?.hide) ? true : false
 }
 
 /** Determines whether a part is wanted by the user
  * This depends on the 'only' setting
  */
 Pattern.prototype.wants = function (partName) {
-  if (typeof this.settings.only === 'undefined' || this.settings.only === false) {
+  if (!this.settings?.only === 'undefined' || this.settings.only === false) {
     if (this.isHidden(partName)) return false
-  } else if (typeof this.settings.only === 'string') {
-    if (this.settings.only === partName) return true
-    return false
-  } else if (Array.isArray(this.settings.only)) {
-    for (let part of this.settings.only) {
+  }
+  else if (typeof this.settings.only === 'string') return (this.settings.only === partName)
+  else if (Array.isArray(this.settings.only)) {
+    for (const part of this.settings.only) {
       if (part === partName) return true
     }
     return false
@@ -851,8 +829,8 @@ Pattern.prototype.getRenderProps = function () {
   props.events = {
     debug: this.events.debug,
     info: this.events.info,
-    warning: this.events.warning,
     error: this.events.error,
+    warning: this.events.warning,
   }
   props.cutList = this.cutList
   props.parts = {}