diff --git a/build.gradle.kts b/build.gradle.kts
index 316944514..cbfdc3a4f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -20,20 +20,20 @@ configureProjectReport()
 configureNpm()
 configureApiValidation()
 
-val kotlinVersionFull: String by extra
+val kotlinVersion = rootProject.libs.versions.kotlin.lang.get()
 
 allprojects {
     group = "org.jetbrains.kotlinx"
     version = rootProject.libs.versions.kotlinx.rpc.get()
 }
 
-println("kotlinx.rpc project version: $version, Kotlin version: $kotlinVersionFull")
+println("kotlinx.rpc project version: $version, Kotlin version: $kotlinVersion")
 
 // If the prefix of the kPRC version is not Kotlin gradle plugin version – you have a problem :)
 // Probably some dependency brings kotlin with the later version.
 // To mitigate so, refer to `versions-root/kotlin-version-lookup.json`
 // and its usage in `gradle-conventions-settings/src/main/kotlin/conventions-version-resolution.settings.gradle.kts`
 val kotlinGPVersion = getKotlinPluginVersion()
-if (kotlinVersionFull != kotlinGPVersion) {
-    error("KGP version mismatch. Project version: $kotlinVersionFull, KGP version: $kotlinGPVersion")
+if (kotlinVersion != kotlinGPVersion) {
+    error("KGP version mismatch. Project version: $kotlinVersion, KGP version: $kotlinGPVersion")
 }
diff --git a/compiler-plugin/build.gradle.kts b/compiler-plugin/build.gradle.kts
index 195638415..cc9fe7e33 100644
--- a/compiler-plugin/build.gradle.kts
+++ b/compiler-plugin/build.gradle.kts
@@ -2,14 +2,22 @@
  * Copyright 2023-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
 
+import util.otherwise
+import util.whenForIde
+
 plugins {
     alias(libs.plugins.conventions.gradle.doctor)
 }
 
-val kotlinVersionFull: String by extra
 val rpcVersion: String = libs.versions.kotlinx.rpc.get()
+val kotlinCompilerVersion = libs.versions.kotlin.compiler.get()
+val kotlinLangVersion = libs.versions.kotlin.lang.get()
 
 allprojects {
     group = "org.jetbrains.kotlinx"
-    version = "$kotlinVersionFull-$rpcVersion"
+    whenForIde {
+        version = "$kotlinCompilerVersion-$rpcVersion"
+    } otherwise {
+        version = "$kotlinLangVersion-$rpcVersion"
+    }
 }
diff --git a/gradle-conventions-settings/src/main/kotlin/conventions-version-resolution.settings.gradle.kts b/gradle-conventions-settings/src/main/kotlin/conventions-version-resolution.settings.gradle.kts
index ec07aa03b..71932571a 100644
--- a/gradle-conventions-settings/src/main/kotlin/conventions-version-resolution.settings.gradle.kts
+++ b/gradle-conventions-settings/src/main/kotlin/conventions-version-resolution.settings.gradle.kts
@@ -170,13 +170,15 @@ fun VersionCatalogBuilder.resolveKotlinVersion(versionCatalog: Map<String, Strin
 // Uses LIBRARY_VERSION_ENV_VAR_NAME instead if present
 fun VersionCatalogBuilder.resolveLibraryVersion(versionCatalog: Map<String, String>) {
     val libraryCoreVersion: String = System.getenv(SettingsConventions.LIBRARY_VERSION_ENV_VAR_NAME)
+        ?.takeIf { it.isNotBlank() }
         ?: versionCatalog[SettingsConventions.LIBRARY_CORE_VERSION_ALIAS]
         ?: error("Expected to resolve '${SettingsConventions.LIBRARY_CORE_VERSION_ALIAS}' version")
 
     val eapVersion: String = System.getenv(SettingsConventions.EAP_VERSION_ENV_VAR_NAME)
         ?.let {
-            when (it){
-                "SNAPSHOT" -> "-$it"
+            when {
+                it.isBlank() -> ""
+                it == "SNAPSHOT" -> "-$it"
                 else -> "-eap-$it"
             }
         } ?: ""
@@ -203,19 +205,17 @@ dependencyResolutionManagement {
 
             resolveLibraryVersion(versionCatalog)
 
-            // Other Kotlin-dependant versions 
+            // Other Kotlin-dependant versions
             val (lookupTable, latestKotlin) = loadLookupTable(rootDir, kotlinVersion)
 
             val isLatestKotlin = latestKotlin == kotlinVersion
 
             extra["kotlinVersion"] = kotlinVersion.kotlinVersionParsed()
-            extra["kotlinVersionFull"] = kotlinVersion
             extra["isLatestKotlinVersion"] = isLatestKotlin
 
             gradle.rootProject {
                 allprojects {
                     this.extra["kotlinVersion"] = kotlinVersion.kotlinVersionParsed()
-                    this.extra["kotlinVersionFull"] = kotlinVersion
                     this.extra["isLatestKotlinVersion"] = isLatestKotlin
                 }
             }