diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bb171cd..13a1d42 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1" ]
+        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1", "IC-2024.2" ]
       max-parallel: 5
     env:
       PRODUCT_NAME: ${{ matrix.product }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 901d109..448b918 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1" ]
+        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1", "IC-2024.2" ]
       max-parallel: 5
     env:
       PRODUCT_NAME: ${{ matrix.product }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ff67a22..65a8f49 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
   release:
     strategy:
       matrix:
-        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1" ]
+        product: [ "IC-2023.1", "IC-2023.2", "IC-2023.3", "IC-2024.1", "IC-2024.2" ]
       max-parallel: 1
     env:
       PRODUCT_NAME: ${{ matrix.product }}
diff --git a/build.gradle.kts b/build.gradle.kts
index 0dede27..7875fa4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -75,10 +75,21 @@ val plugins = listOf(
             apiVersion = "1.6"
         ),
         bundledDependencies = listOf("com.intellij.java", "org.jetbrains.kotlin")
+    ),
+    PluginDescriptor(
+        since = "242",
+        until = "242.*",
+        platformVersion = "2024.2",
+        platformType = PlatformType.IdeaCommunity,
+        sourceFolder = "IC-242",
+        kotlin = KotlinOptions(
+            apiVersion = "1.6"
+        ),
+        bundledDependencies = listOf("com.intellij.java", "org.jetbrains.kotlin")
     )
 )
 
-val defaultProductName = "IC-2023.1"
+val defaultProductName = "IC-2024.2"
 val productName = System.getenv("PRODUCT_NAME") ?: defaultProductName
 val maybeGithubRunNumber = System.getenv("GITHUB_RUN_NUMBER")?.toInt()
 val descriptor = plugins.first { it.getSDKVersion() == productName }
@@ -89,7 +100,7 @@ val pluginGroup: String by project
 // `pluginName_` variable ends with `_` because of the collision with Kotlin magic getter in the `intellij` closure.
 // Read more about the issue: https://github.com/JetBrains/intellij-platform-plugin-template/issues/29
 val pluginName_: String by project
-val pluginVersion: String = pluginVersion(major = "2", minor = "7", patch = "1")
+val pluginVersion: String = pluginVersion(major = "2", minor = "8", patch = "1")
 val pluginDescriptionFile: String by project
 val pluginChangeNotesFile: String by project
 
diff --git a/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/ASTNodeUtils.kt b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/ASTNodeUtils.kt
new file mode 100644
index 0000000..3531811
--- /dev/null
+++ b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/ASTNodeUtils.kt
@@ -0,0 +1,18 @@
+package com.amazon.ion.plugin.intellij.formatting
+
+import com.amazon.ion.plugin.intellij.utils.filterWhitespace
+import com.intellij.lang.ASTNode
+import org.jetbrains.kotlin.idea.base.psi.getLineNumber
+import org.jetbrains.kotlin.psi.psiUtil.siblings
+
+/**
+ * Determine if a node is on the same line as another node.
+ */
+fun ASTNode.sameLineAs(another: ASTNode) =
+    another.psi.getLineNumber(start = true) == this.psi.getLineNumber(start = true)
+
+/**
+ * Return the previous sibling of a node if it exists.
+ */
+fun ASTNode.previousSibling(): ASTNode? =
+    siblings(forward = false).filterWhitespace().firstOrNull()
diff --git a/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonCodeStyleSettingsProvider.kt b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonCodeStyleSettingsProvider.kt
new file mode 100644
index 0000000..eb52d10
--- /dev/null
+++ b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonCodeStyleSettingsProvider.kt
@@ -0,0 +1,33 @@
+package com.amazon.ion.plugin.intellij.formatting
+
+import com.amazon.ion.plugin.intellij.IonLanguage
+import com.intellij.application.options.CodeStyleAbstractConfigurable
+import com.intellij.application.options.CodeStyleAbstractPanel
+import com.intellij.application.options.TabbedLanguageCodeStylePanel
+import com.intellij.openapi.options.Configurable
+import com.intellij.psi.codeStyle.CodeStyleSettings
+import com.intellij.psi.codeStyle.CodeStyleSettingsProvider
+
+private const val CODE_STYLE_SETTINGS_DISPLAY_NAME = "Ion"
+
+class IonCodeStyleSettingsProvider : CodeStyleSettingsProvider() {
+    override fun getConfigurableDisplayName(): String = CODE_STYLE_SETTINGS_DISPLAY_NAME
+
+    override fun createSettingsPage(settings: CodeStyleSettings, modelSettings: CodeStyleSettings): Configurable =
+        CodeStyleConfigurableConfiguration(settings, modelSettings)
+}
+
+private class CodeStyleConfigurableConfiguration(settings: CodeStyleSettings, modelSettings: CodeStyleSettings)
+    : CodeStyleAbstractConfigurable(settings, modelSettings, CODE_STYLE_SETTINGS_DISPLAY_NAME) {
+
+    override fun createPanel(settings: CodeStyleSettings): CodeStyleAbstractPanel = IonCodeStyleMainPanel(currentSettings, settings)
+    override fun getHelpTopic(): String? = null
+}
+
+private class IonCodeStyleMainPanel(currentSettings: CodeStyleSettings, settings: CodeStyleSettings)
+    : TabbedLanguageCodeStylePanel(IonLanguage.INSTANCE, currentSettings, settings) {
+
+    override fun initTabs(settings: CodeStyleSettings?) {
+        addIndentOptionsTab(settings)
+    }
+}
diff --git a/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonFormattingModelBuilder.kt b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonFormattingModelBuilder.kt
new file mode 100644
index 0000000..51a531b
--- /dev/null
+++ b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/IonFormattingModelBuilder.kt
@@ -0,0 +1,34 @@
+package com.amazon.ion.plugin.intellij.formatting
+
+import com.amazon.ion.plugin.intellij.formatting.blocks.IonBlockOptions
+import com.amazon.ion.plugin.intellij.formatting.blocks.RootIonBlock
+import com.intellij.formatting.FormattingContext
+import com.intellij.formatting.FormattingModel
+import com.intellij.formatting.FormattingModelBuilder
+import com.intellij.formatting.FormattingModelProvider
+
+/**
+ * Creates the block model for an Ion file.
+ *
+ * The block model will determine how elements are spaced, indented and aligned.
+ */
+class IonFormattingModelBuilder : FormattingModelBuilder {
+    override fun createModel(formattingContext: FormattingContext): FormattingModel {
+        val element = formattingContext.psiElement
+        val settings = formattingContext.codeStyleSettings
+
+        val rootBlock = RootIonBlock(
+            node = element.node,
+            options = IonBlockOptions(
+                spaceBuilder = IonCodeBlockSpacingProvider(settings),
+                codeStyle = settings
+            )
+        )
+
+
+        return FormattingModelProvider.createFormattingModelForPsiFile(
+            element.containingFile,
+            rootBlock, settings
+        )
+    }
+}
diff --git a/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/blocks/IonSExpressionBlock.kt b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/blocks/IonSExpressionBlock.kt
new file mode 100644
index 0000000..ac0223e
--- /dev/null
+++ b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/formatting/blocks/IonSExpressionBlock.kt
@@ -0,0 +1,68 @@
+package com.amazon.ion.plugin.intellij.formatting.blocks
+
+import com.amazon.ion.plugin.intellij.formatting.previousSibling
+import com.amazon.ion.plugin.intellij.formatting.sameLineAs
+import com.amazon.ion.plugin.intellij.psi.IonTypes
+import com.amazon.ion.plugin.intellij.psi.isOneLiner
+import com.amazon.ion.plugin.intellij.utils.elementIsA
+import com.intellij.lang.ASTNode
+import com.intellij.openapi.diagnostic.debug
+import com.intellij.openapi.diagnostic.logger
+import com.intellij.psi.tree.IElementType
+import org.jetbrains.kotlin.idea.base.psi.getLineNumber
+
+private val logger = logger<IonSExpressionBlock>()
+
+class IonSExpressionBlock(
+    node: ASTNode,
+    formatting: IonBlockFormattingOptions,
+    options: IonBlockOptions
+) : AbstractIonBlock(node, formatting = formatting, options = options) {
+
+    override val childIndentedTypes: Set<IElementType> = setOf(
+        IonTypes.SEXPRESSION_ATOM,
+        IonTypes.COMMENT
+    )
+
+    override val childContainerTypes: Set<IElementType> = setOf(
+        IonTypes.SEXPRESSION_ELEMENTS
+    )
+
+    override val containerWrapperTypes: Set<IElementType> = setOf(
+        IonTypes.LPAREN,
+        IonTypes.RPAREN
+    )
+
+    override fun buildChildBlockFormatting(child: ASTNode): IonBlockFormattingOptions =
+        buildSpecialCaseChildBlockFormatting(child) ?:
+            super.buildChildBlockFormatting(child)
+
+    private fun buildSpecialCaseChildBlockFormatting(child: ASTNode): IonBlockFormattingOptions? {
+
+        // Lazy evaluate the previous sibling if needed.
+        val previous by lazy { child.previousSibling() }
+
+        /**
+         * Check if we are the first comment within the expression, there is a special comment
+         * case where we don't want to apply the child alignment to the comment. For example:
+         *
+         * (join // special case comment which is inline with operator
+         *   // child comments are inline with inner values
+         *   anotherValue
+         * )
+         */
+        if (child elementIsA IonTypes.COMMENT && previous?.elementType == IonTypes.SEXPRESSION_OPERATOR) {
+
+            logger.debug { "Formatting [${child.psi.getLineNumber()}] - Special case inline expression comment line" }
+
+            val comment = child.psi
+            val expressionOperator = previous!!
+
+            if (comment.isOneLiner() && child.sameLineAs(expressionOperator)) {
+                return IonBlockFormatting.sameAlignment(this)
+            }
+        }
+
+        return null
+    }
+}
diff --git a/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/psi/PsiElementExtensions.kt b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/psi/PsiElementExtensions.kt
new file mode 100644
index 0000000..5c36ea7
--- /dev/null
+++ b/src/IC-242/kotlin/com/amazon/ion/plugin/intellij/psi/PsiElementExtensions.kt
@@ -0,0 +1,11 @@
+package com.amazon.ion.plugin.intellij.psi
+
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.idea.base.psi.getLineCount
+
+/**
+ * True if the element is all in a single line.
+ *
+ * Exists for Backwards Compatibility: <= IC-2020.2
+ */
+fun PsiElement.isOneLiner() = getLineCount() == 1