diff --git a/.swiftformat b/.swiftformat
new file mode 100644
index 00000000..c701bb3e
--- /dev/null
+++ b/.swiftformat
@@ -0,0 +1,3 @@
+disable_formatting_rules:
+
+- trailingCommas
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a930efc..282c9905 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,6 +49,9 @@ Emojis for the following are chosen based on [gitmoji](https://gitmoji.dev/).
 - While loops were replaced by for loops in places where they were being used inappropriately ([#380](https://github.com/scribe-org/Scribe-iOS/issues/380)).
 - The [Scribe-i18n](https://github.com/scribe-org/Scribe-i18n) directory has been added for future localization work.
 - SQLite queries were refactored to extract the DB access logic into a common file ([#378](https://github.com/scribe-org/Scribe-iOS/issues/378)).
+- A SwiftLint pull request workflow was added to the codebase to check style and other coding conventions ([#390](https://github.com/scribe-org/Scribe-iOS/issues/390)).
+- Trailing commas were removed from the codebase ([#421](https://github.com/scribe-org/Scribe-iOS/issues/421)).
+- SwiftFormat was configured to allow for the removal of trailing commas ([#421](https://github.com/scribe-org/Scribe-iOS/issues/421)).
 
 # Scribe-iOS 2.3.0
 
diff --git a/Keyboards/KeyboardsBase/InterfaceVariables.swift b/Keyboards/KeyboardsBase/InterfaceVariables.swift
index c769d03a..1a23539d 100644
--- a/Keyboards/KeyboardsBase/InterfaceVariables.swift
+++ b/Keyboards/KeyboardsBase/InterfaceVariables.swift
@@ -22,7 +22,7 @@ import UIKit
 // A proxy into which text is typed.
 var proxy: UITextDocumentProxy!
 
-// MARK: Display Variables
+// MARK: - Display Variables
 
 // Variables for the keyboard and its appearance.
 var keyboard = [[String]]()
diff --git a/Keyboards/KeyboardsBase/KeyboardViewController.swift b/Keyboards/KeyboardsBase/KeyboardViewController.swift
index 4ca59290..4dbedd7e 100644
--- a/Keyboards/KeyboardsBase/KeyboardViewController.swift
+++ b/Keyboards/KeyboardsBase/KeyboardViewController.swift
@@ -91,7 +91,7 @@ class KeyboardViewController: UIInputViewController {
     loadKeys()
   }
 
-  // MARK: Display Activation Functions
+  // MARK: - Display Activation Functions
 
   /// Function to load the keyboard interface into which keyboardView is instantiated.
   func loadInterface() {
@@ -137,7 +137,7 @@ class KeyboardViewController: UIInputViewController {
     btn.isUserInteractionEnabled = false
   }
 
-  // MARK: Override UIInputViewController Functions
+  // MARK: - Override UIInputViewController Functions
 
   /// Includes adding custom view sizing constraints.
   override func updateViewConstraints() {
@@ -259,7 +259,7 @@ class KeyboardViewController: UIInputViewController {
     }
   }
 
-  // MARK: Scribe Command Elements
+  // MARK: - Scribe Command Elements
 
   // Partitions for autocomplete and autosuggest
   @IBOutlet var leftAutoPartition: UILabel!
@@ -961,7 +961,7 @@ class KeyboardViewController: UIInputViewController {
     }
   }
 
-  // MARK: Conjugation Variables and Functions
+  // MARK: - Conjugation Variables and Functions
 
   // Note that we use "form" to describe both conjugations and declensions.
   @IBOutlet var shiftFormsDisplayLeft: UIButton!
@@ -1231,20 +1231,20 @@ class KeyboardViewController: UIInputViewController {
       case .disabled:
         break
       case .accusativePersonalSPS, .dativePersonalSPS, .genitivePersonalSPS,
-           .accusativePossessiveSPS, .dativePossessiveSPS, .genitivePossessiveSPS:
+          .accusativePossessiveSPS, .dativePossessiveSPS, .genitivePossessiveSPS:
         formsDisplayDimensions = .view1x2
       case .accusativePersonalTPS, .dativePersonalTPS, .genitivePersonalTPS,
-           .accusativePossessiveTPS, .dativePossessiveTPS, .genitivePossessiveTPS:
+          .accusativePossessiveTPS, .dativePossessiveTPS, .genitivePossessiveTPS:
         formsDisplayDimensions = .view3x1
       case .accusativePossessiveFPS, .accusativePossessiveSPSInformal, .accusativePossessiveSPSFormal,
-           .accusativePossessiveTPSMasculine, .accusativePossessiveTPSFeminine, .accusativePossessiveTPSNeutral,
-           .accusativePossessiveFPP, .accusativePossessiveSPP, .accusativePossessiveTPP,
-           .dativePossessiveFPS, .dativePossessiveSPSInformal, .dativePossessiveSPSFormal,
-           .dativePossessiveTPSMasculine, .dativePossessiveTPSFeminine, .dativePossessiveTPSNeutral,
-           .dativePossessiveFPP, .dativePossessiveSPP, .dativePossessiveTPP,
-           .genitivePossessiveFPS, .genitivePossessiveSPSInformal, .genitivePossessiveSPSFormal,
-           .genitivePossessiveTPSMasculine, .genitivePossessiveTPSFeminine, .genitivePossessiveTPSNeutral,
-           .genitivePossessiveFPP, .genitivePossessiveSPP, .genitivePossessiveTPP:
+          .accusativePossessiveTPSMasculine, .accusativePossessiveTPSFeminine, .accusativePossessiveTPSNeutral,
+          .accusativePossessiveFPP, .accusativePossessiveSPP, .accusativePossessiveTPP,
+          .dativePossessiveFPS, .dativePossessiveSPSInformal, .dativePossessiveSPSFormal,
+          .dativePossessiveTPSMasculine, .dativePossessiveTPSFeminine, .dativePossessiveTPSNeutral,
+          .dativePossessiveFPP, .dativePossessiveSPP, .dativePossessiveTPP,
+          .genitivePossessiveFPS, .genitivePossessiveSPSInformal, .genitivePossessiveSPSFormal,
+          .genitivePossessiveTPSMasculine, .genitivePossessiveTPSFeminine, .genitivePossessiveTPSNeutral,
+          .genitivePossessiveFPP, .genitivePossessiveSPP, .genitivePossessiveTPP:
         formsDisplayDimensions = .view2x2
       }
     } else if
@@ -1858,7 +1858,7 @@ class KeyboardViewController: UIInputViewController {
     }
   }
 
-  // MARK: Load Keys
+  // MARK: - Load Keys
 
   /// Loads the keys given the current constraints.
   func loadKeys() {
@@ -2149,7 +2149,7 @@ class KeyboardViewController: UIInputViewController {
     }
   }
 
-  // MARK: Button Actions
+  // MARK: - Button Actions
 
   /// Triggers actions based on the press of a key.
   ///
@@ -2656,7 +2656,7 @@ class KeyboardViewController: UIInputViewController {
     }
   }
 
-  // MARK: Key Press Functions
+  // MARK: - Key Press Functions
 
   /// Auto-capitalization if the cursor is at the start of the proxy.
   func autoCapAtStartOfProxy() {
diff --git a/Keyboards/KeyboardsBase/ScribeFunctionality/CommandVariables.swift b/Keyboards/KeyboardsBase/ScribeFunctionality/CommandVariables.swift
index 983f7d01..58303144 100644
--- a/Keyboards/KeyboardsBase/ScribeFunctionality/CommandVariables.swift
+++ b/Keyboards/KeyboardsBase/ScribeFunctionality/CommandVariables.swift
@@ -93,7 +93,7 @@ var allColoredPrompts: [NSAttributedString] = []
 let languagesWithCapitalizedNouns = ["German"]
 let languagesWithCaseDependantOnPrepositions = ["German", "Russian"]
 
-// MARK: Translate Variables
+// MARK: - Translate Variables
 
 var translateKeyLbl = ""
 var translatePrompt = ""
@@ -103,7 +103,7 @@ var translatePromptAndPlaceholder = ""
 var translatePromptAndColorPlaceholder = NSMutableAttributedString()
 var wordToTranslate = ""
 
-// MARK: Conjugate Variables
+// MARK: - Conjugate Variables
 
 var conjugateKeyLbl = ""
 var conjugatePrompt = ""
@@ -171,7 +171,7 @@ var verbToDisplay = ""
 var wordToDisplay = ""
 var conjugationToDisplay = ""
 
-// MARK: Plural Variables
+// MARK: - Plural Variables
 
 var pluralKeyLbl = ""
 var pluralPrompt = ""
diff --git a/Scribe/AboutTab/AboutViewController.swift b/Scribe/AboutTab/AboutViewController.swift
index f8894a17..acf5d34a 100644
--- a/Scribe/AboutTab/AboutViewController.swift
+++ b/Scribe/AboutTab/AboutViewController.swift
@@ -35,7 +35,7 @@ final class AboutViewController: BaseTableViewController {
   }
 }
 
-// MARK: UITableViewDataSource
+// MARK: - UITableViewDataSource
 
 extension AboutViewController {
   override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
@@ -48,7 +48,7 @@ extension AboutViewController {
   }
 }
 
-// MARK: UITableViewDelegate
+// MARK: - UITableViewDelegate
 
 extension AboutViewController {
   override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
diff --git a/Scribe/InstallationTab/DownloadDataVC.swift b/Scribe/InstallationTab/DownloadDataVC.swift
index a1b040bd..eb85616b 100644
--- a/Scribe/InstallationTab/DownloadDataVC.swift
+++ b/Scribe/InstallationTab/DownloadDataVC.swift
@@ -63,7 +63,9 @@ import UIKit
 //  }
 // }
 //
-//// MARK: UITableViewDelegate
+
+// MARK: - UITableViewDelegate
+
 //
 ///// Function implementation conforming to the UITableViewDelegate protocol.
 // extension DownloadDataVC: UITableViewDelegate {}