diff --git a/java/idea-ui/BUILD.bazel b/java/idea-ui/BUILD.bazel
index 15b5b38e6418..7b3212b8abd4 100644
--- a/java/idea-ui/BUILD.bazel
+++ b/java/idea-ui/BUILD.bazel
@@ -95,6 +95,7 @@ jvm_library(
     "//platform/testFramework/junit5/eel",
     "//platform/testFramework/junit5/eel:eel_test_lib",
     "//platform/eel-provider",
+    "//libraries/io",
   ]
 )
 
diff --git a/lib/BUILD.bazel b/lib/BUILD.bazel
index bda5bc9276f3..5a2e22f15193 100644
--- a/lib/BUILD.bazel
+++ b/lib/BUILD.bazel
@@ -4076,6 +4076,34 @@ jvm_import(
   visibility = ["//visibility:public"]
 )
 
+java_library(
+  name = "kotlinx-io-core",
+  exports = [
+    ":kotlinx-io-core-jvm-0_6_0_http_import",
+    ":kotlinx-io-bytestring-jvm-0_6_0_http_import",
+  ],
+  visibility = ["//visibility:public"]
+)
+
+jvm_import(
+  name = "kotlinx-io-core-jvm-0_6_0_http_import",
+  jar = "@kotlinx-io-core-jvm-0_6_0_http//file",
+  source_jar = "@kotlinx-io-core-jvm-0_6_0-sources_http//file"
+)
+
+jvm_import(
+  name = "kotlinx-io-bytestring-jvm-0_6_0_http_import",
+  jar = "@kotlinx-io-bytestring-jvm-0_6_0_http//file",
+  source_jar = "@kotlinx-io-bytestring-jvm-0_6_0-sources_http//file"
+)
+
+java_library(
+  name = "kotlinx-io-core-provided",
+  exports = [":kotlinx-io-core"],
+  neverlink = True,
+  visibility = ["//visibility:public"]
+)
+
 jvm_import(
   name = "kotlinx-serialization-core",
   jar = "@kotlinx-serialization-core-jvm-1_7_3_http//file",
@@ -4134,8 +4162,6 @@ java_library(
     ":ktor-http-jvm-3_0_3_http_import",
     ":ktor-utils-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
     ":ktor-events-jvm-3_0_3_http_import",
     ":ktor-websocket-serialization-jvm-3_0_3_http_import",
     ":ktor-serialization-jvm-3_0_3_http_import",
@@ -4169,18 +4195,6 @@ jvm_import(
   source_jar = "@ktor-io-jvm-3_0_3-sources_http//file"
 )
 
-jvm_import(
-  name = "kotlinx-io-core-jvm-0_5_4_http_import",
-  jar = "@kotlinx-io-core-jvm-0_5_4_http//file",
-  source_jar = "@kotlinx-io-core-jvm-0_5_4-sources_http//file"
-)
-
-jvm_import(
-  name = "kotlinx-io-bytestring-jvm-0_5_4_http_import",
-  jar = "@kotlinx-io-bytestring-jvm-0_5_4_http//file",
-  source_jar = "@kotlinx-io-bytestring-jvm-0_5_4-sources_http//file"
-)
-
 jvm_import(
   name = "ktor-events-jvm-3_0_3_http_import",
   jar = "@ktor-events-jvm-3_0_3_http//file",
@@ -4231,8 +4245,6 @@ java_library(
     ":ktor-http-cio-jvm-3_0_3_http_import",
     ":ktor-network-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
     ":ktor-websockets-jvm-3_0_3_http_import",
     ":ktor-network-tls-jvm-3_0_3_http_import",
     ":ktor-utils-jvm-3_0_3_http_import",
@@ -4278,8 +4290,6 @@ java_library(
     ":ktor-http-jvm-3_0_3_http_import",
     ":ktor-utils-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
     ":ktor-events-jvm-3_0_3_http_import",
     ":ktor-websocket-serialization-jvm-3_0_3_http_import",
     ":ktor-serialization-jvm-3_0_3_http_import",
@@ -4317,8 +4327,6 @@ java_library(
     ":ktor-http-jvm-3_0_3_http_import",
     ":ktor-utils-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
     ":ktor-client-core-jvm-3_0_3_http_import",
     ":ktor-events-jvm-3_0_3_http_import",
     ":ktor-websocket-serialization-jvm-3_0_3_http_import",
@@ -4350,8 +4358,6 @@ java_library(
     ":ktor-network-jvm-3_0_3_http_import",
     ":ktor-utils-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
   ],
   visibility = ["//visibility:public"]
 )
@@ -4390,8 +4396,6 @@ java_library(
     ":ktor-events-jvm-3_0_3_http_import",
     ":ktor-http-cio-jvm-3_0_3_http_import",
     ":ktor-io-jvm-3_0_3_http_import",
-    ":kotlinx-io-core-jvm-0_5_4_http_import",
-    ":kotlinx-io-bytestring-jvm-0_5_4_http_import",
     ":ktor-websockets-jvm-3_0_3_http_import",
     ":ktor-network-jvm-3_0_3_http_import",
   ],
@@ -8736,8 +8740,8 @@ java_library(
 
 jvm_import(
   name = "spellchecker-ai-grazie-spell-hunspell-en",
-  jar = "@hunspell-en-jvm-0_2_246_http//file",
-  source_jar = "@hunspell-en-jvm-0_2_246-sources_http//file",
+  jar = "@hunspell-en-jvm-0_2_274_http//file",
+  source_jar = "@hunspell-en-jvm-0_2_274-sources_http//file",
   visibility = ["//visibility:public"]
 )
 
diff --git a/lib/MODULE.bazel b/lib/MODULE.bazel
index 04994f2619c2..732350f0289a 100644
--- a/lib/MODULE.bazel
+++ b/lib/MODULE.bazel
@@ -5668,6 +5668,34 @@ http_file(
   downloaded_file_path = "kotlinx-html-jvm-0.12.0-sources.jar"
 )
 
+http_file(
+  name = "kotlinx-io-core-jvm-0_6_0_http",
+  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-core-jvm/0.6.0/kotlinx-io-core-jvm-0.6.0.jar",
+  sha256 = "42523c80823d31ef59fae42c9252ef1d3b1189ca9d3cc3adfd402a29d063e6ff",
+  downloaded_file_path = "kotlinx-io-core-jvm-0.6.0.jar"
+)
+
+http_file(
+  name = "kotlinx-io-bytestring-jvm-0_6_0_http",
+  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-bytestring-jvm/0.6.0/kotlinx-io-bytestring-jvm-0.6.0.jar",
+  sha256 = "baa77a783d70a66af88d6898a1d4971e4aa84e62b26418057379bdf09fb5bada",
+  downloaded_file_path = "kotlinx-io-bytestring-jvm-0.6.0.jar"
+)
+
+http_file(
+  name = "kotlinx-io-core-jvm-0_6_0-sources_http",
+  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-core-jvm/0.6.0/kotlinx-io-core-jvm-0.6.0-sources.jar",
+  sha256 = "f10ed36857100403112ce45c9647252d95adc06fab2b0930e9b11e1af255fd86",
+  downloaded_file_path = "kotlinx-io-core-jvm-0.6.0-sources.jar"
+)
+
+http_file(
+  name = "kotlinx-io-bytestring-jvm-0_6_0-sources_http",
+  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-bytestring-jvm/0.6.0/kotlinx-io-bytestring-jvm-0.6.0-sources.jar",
+  sha256 = "e56a4af58013c739480fb1305224e9af2816b4c7add27db4adc291da7ea403c5",
+  downloaded_file_path = "kotlinx-io-bytestring-jvm-0.6.0-sources.jar"
+)
+
 http_file(
   name = "kotlinx-serialization-core-jvm-1_7_3_http",
   url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-serialization-core-jvm/1.7.3/kotlinx-serialization-core-jvm-1.7.3.jar",
@@ -5759,20 +5787,6 @@ http_file(
   downloaded_file_path = "ktor-io-jvm-3.0.3.jar"
 )
 
-http_file(
-  name = "kotlinx-io-core-jvm-0_5_4_http",
-  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-core-jvm/0.5.4/kotlinx-io-core-jvm-0.5.4.jar",
-  sha256 = "dc3587c12795af01231591c0ef09a4139dfca8113c2989273b96b958006853c3",
-  downloaded_file_path = "kotlinx-io-core-jvm-0.5.4.jar"
-)
-
-http_file(
-  name = "kotlinx-io-bytestring-jvm-0_5_4_http",
-  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-bytestring-jvm/0.5.4/kotlinx-io-bytestring-jvm-0.5.4.jar",
-  sha256 = "1fc96e19b445387dbc49183d0cc623c5a61bfa47c86cf81aaf5aff4845154fab",
-  downloaded_file_path = "kotlinx-io-bytestring-jvm-0.5.4.jar"
-)
-
 http_file(
   name = "ktor-events-jvm-3_0_3_http",
   url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/io/ktor/ktor-events-jvm/3.0.3/ktor-events-jvm-3.0.3.jar",
@@ -5829,20 +5843,6 @@ http_file(
   downloaded_file_path = "ktor-io-jvm-3.0.3-sources.jar"
 )
 
-http_file(
-  name = "kotlinx-io-core-jvm-0_5_4-sources_http",
-  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-core-jvm/0.5.4/kotlinx-io-core-jvm-0.5.4-sources.jar",
-  sha256 = "fa48baf82c3b07173f09004e7003239128a6a375bb08b71191d0b7d032e1e1d6",
-  downloaded_file_path = "kotlinx-io-core-jvm-0.5.4-sources.jar"
-)
-
-http_file(
-  name = "kotlinx-io-bytestring-jvm-0_5_4-sources_http",
-  url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/org/jetbrains/kotlinx/kotlinx-io-bytestring-jvm/0.5.4/kotlinx-io-bytestring-jvm-0.5.4-sources.jar",
-  sha256 = "4985c32e0d04ac8800f0e20bb1a95b261a7c6baa6921f20fca3bf1cb4d6006c5",
-  downloaded_file_path = "kotlinx-io-bytestring-jvm-0.5.4-sources.jar"
-)
-
 http_file(
   name = "ktor-events-jvm-3_0_3-sources_http",
   url = "https://cache-redirector.jetbrains.com/repo1.maven.org/maven2/io/ktor/ktor-events-jvm/3.0.3/ktor-events-jvm-3.0.3-sources.jar",
@@ -12564,17 +12564,17 @@ http_file(
 )
 
 http_file(
-  name = "hunspell-en-jvm-0_2_246_http",
-  url = "https://cache-redirector.jetbrains.com/packages.jetbrains.team/maven/p/grazi/grazie-platform-public/ai/grazie/spell/hunspell-en-jvm/0.2.246/hunspell-en-jvm-0.2.246.jar",
-  sha256 = "b76f2c0952ed3b7cde6362e2104986572f05d5fa35840473973d81e41b842f4a",
-  downloaded_file_path = "hunspell-en-jvm-0.2.246.jar"
+  name = "hunspell-en-jvm-0_2_274_http",
+  url = "https://cache-redirector.jetbrains.com/packages.jetbrains.team/maven/p/grazi/grazie-platform-public/ai/grazie/spell/hunspell-en-jvm/0.2.274/hunspell-en-jvm-0.2.274.jar",
+  sha256 = "89970bd551f4fb0bfbd70a4520fc934ebaa1d03aa4fda86ee20a7e2de48bc3e4",
+  downloaded_file_path = "hunspell-en-jvm-0.2.274.jar"
 )
 
 http_file(
-  name = "hunspell-en-jvm-0_2_246-sources_http",
-  url = "https://cache-redirector.jetbrains.com/packages.jetbrains.team/maven/p/grazi/grazie-platform-public/ai/grazie/spell/hunspell-en-jvm/0.2.246/hunspell-en-jvm-0.2.246-sources.jar",
-  sha256 = "a828a43ae75d05f7cda7ad747d2d10ec806854617ba9f85430421a44b3d7eef2",
-  downloaded_file_path = "hunspell-en-jvm-0.2.246-sources.jar"
+  name = "hunspell-en-jvm-0_2_274-sources_http",
+  url = "https://cache-redirector.jetbrains.com/packages.jetbrains.team/maven/p/grazi/grazie-platform-public/ai/grazie/spell/hunspell-en-jvm/0.2.274/hunspell-en-jvm-0.2.274-sources.jar",
+  sha256 = "97f8f72bd7fe4dadc71ab5d4f21a8bd110d33157804bfea488151dc5df7497e9",
+  downloaded_file_path = "hunspell-en-jvm-0.2.274-sources.jar"
 )
 
 http_file(
diff --git a/libraries/io/BUILD.bazel b/libraries/io/BUILD.bazel
new file mode 100644
index 000000000000..db2a604572a7
--- /dev/null
+++ b/libraries/io/BUILD.bazel
@@ -0,0 +1,20 @@
+### auto-generated section `build intellij.libraries.kotlinx.io` start
+load("@rules_java//java:defs.bzl", "java_library")
+load("@rules_jvm//:jvm.bzl", "jvm_resources")
+
+jvm_resources(
+  name = "io_resources",
+  files = glob(["resources/**/*"]),
+  strip_prefix = "resources"
+)
+
+java_library(
+  name = "io",
+  visibility = ["//visibility:public"],
+  exports = ["@lib//:kotlinx-io-core"],
+  runtime_deps = [
+    ":io_resources",
+    "@lib//:kotlinx-io-core",
+  ]
+)
+### auto-generated section `build intellij.libraries.kotlinx.io` end
\ No newline at end of file
diff --git a/libraries/ktor-client/BUILD.bazel b/libraries/ktor-client/BUILD.bazel
index 27f4dc7f6f69..edb7f2043eea 100644
--- a/libraries/ktor-client/BUILD.bazel
+++ b/libraries/ktor-client/BUILD.bazel
@@ -17,6 +17,7 @@ java_library(
     "@lib//:ktor-client-encoding",
     "@lib//:ktor-client-content-negotiation",
     "@lib//:ktor-serialization-kotlinx-json",
+    "@lib//:kotlinx-serialization-json-io",
     "@lib//:ktor-client-auth",
   ],
   runtime_deps = [
@@ -26,7 +27,9 @@ java_library(
     "@lib//:ktor-client-encoding",
     "@lib//:ktor-client-content-negotiation",
     "@lib//:ktor-serialization-kotlinx-json",
+    "@lib//:kotlinx-serialization-json-io",
     "@lib//:ktor-client-auth",
+    "//libraries/io",
   ]
 )
 ### auto-generated section `build intellij.libraries.ktor.client` end
\ No newline at end of file
diff --git a/platform/build-scripts/BUILD.bazel b/platform/build-scripts/BUILD.bazel
index 3a688b34afe0..6caba10a3262 100644
--- a/platform/build-scripts/BUILD.bazel
+++ b/platform/build-scripts/BUILD.bazel
@@ -84,6 +84,7 @@ jvm_library(
     "//platform/boot",
     "//platform/ijent/buildConstants",
     "@lib//:ktor-client-core",
+    "//libraries/io",
     "@lib//:netty",
     "@lib//:netty-tcnative-boringssl",
     "//platform/util/coroutines",
diff --git a/platform/build-scripts/downloader/BUILD.bazel b/platform/build-scripts/downloader/BUILD.bazel
index 7b1b9546129d..d30e2c6af7eb 100644
--- a/platform/build-scripts/downloader/BUILD.bazel
+++ b/platform/build-scripts/downloader/BUILD.bazel
@@ -23,6 +23,7 @@ jvm_library(
     "@lib//:okhttp",
     "@lib//:ktor-client-core",
     "@lib//:hash4j",
-  ]
+  ],
+  runtime_deps = ["@lib//:kotlinx-io-core"]
 )
 ### auto-generated section `build intellij.platform.buildScripts.downloader` end
\ No newline at end of file
diff --git a/platform/platform-tests/BUILD.bazel b/platform/platform-tests/BUILD.bazel
index 0c56324adf16..ccc668defe5d 100644
--- a/platform/platform-tests/BUILD.bazel
+++ b/platform/platform-tests/BUILD.bazel
@@ -130,6 +130,7 @@ jvm_library(
     "@lib//:kotlinx-collections-immutable",
     "//platform/buildData",
     "@lib//:ktor-server-cio",
+    "//libraries/io",
     "//platform/ui.jcef",
     "@lib//:rhino",
     "//platform/eel-impl",
diff --git a/platform/platform-tests/durability/BUILD.bazel b/platform/platform-tests/durability/BUILD.bazel
index 0dbcdff06fbb..883350bd9d40 100644
--- a/platform/platform-tests/durability/BUILD.bazel
+++ b/platform/platform-tests/durability/BUILD.bazel
@@ -16,6 +16,7 @@ jvm_library(
   deps = [
     "//platform/util-ex",
     "@lib//:ktor-network-tls",
+    "//libraries/io",
     "//platform/platform-impl:ide-impl",
     "//platform/platform-impl:ide-impl_test_lib",
     "@lib//:kotlinx-serialization-core",
diff --git a/platform/util/http/BUILD.bazel b/platform/util/http/BUILD.bazel
index 67b8443e5511..ea79acad58b3 100644
--- a/platform/util/http/BUILD.bazel
+++ b/platform/util/http/BUILD.bazel
@@ -12,6 +12,7 @@ jvm_library(
     "@lib//:kotlinx-coroutines-core",
     "@lib//:jetbrains-annotations",
     "@lib//:ktor-client-core",
+    "//libraries/io",
     "@lib//:ktor-client-java",
   ]
 )
diff --git a/platform/wsl-impl/BUILD.bazel b/platform/wsl-impl/BUILD.bazel
index 32b0e36b87fc..b6bf36cc86ff 100644
--- a/platform/wsl-impl/BUILD.bazel
+++ b/platform/wsl-impl/BUILD.bazel
@@ -16,6 +16,7 @@ jvm_library(
     "@lib//:lz4-java",
     "//platform/util-ex",
     "@lib//:ktor-network-tls",
+    "//libraries/io",
   ]
 )
 ### auto-generated section `build intellij.platform.wsl.impl` end
\ No newline at end of file
diff --git a/plugins/evaluation-plugin/BUILD.bazel b/plugins/evaluation-plugin/BUILD.bazel
index 5296b99b9866..56f6604c1625 100644
--- a/plugins/evaluation-plugin/BUILD.bazel
+++ b/plugins/evaluation-plugin/BUILD.bazel
@@ -17,6 +17,7 @@ jvm_library(
     "//plugins/evaluation-plugin/languages",
     "//plugins/evaluation-plugin/core",
     "//plugins/completion-ml-ranking",
+    "//libraries/io",
     "//libraries/ktor-client",
     "//platform/editor-ui-api:editor-ui",
     "//plugins/stats-collector",
diff --git a/plugins/maven-model/BUILD.bazel b/plugins/maven-model/BUILD.bazel
index 0696fad24861..e6a9cc38fb1b 100644
--- a/plugins/maven-model/BUILD.bazel
+++ b/plugins/maven-model/BUILD.bazel
@@ -7,6 +7,6 @@ jvm_library(
   visibility = ["//visibility:public"],
   srcs = glob(["src/main/java/**/*.kt", "src/main/java/**/*.java"], allow_empty = True),
   kotlinc_opts = "@community//:k8",
-  deps = ["@lib//:jetbrains-annotations-java5"]
+  deps = ["@lib//:jetbrains-annotations"]
 )
 ### auto-generated section `build intellij.maven.model` end
\ No newline at end of file
diff --git a/plugins/repository-search/BUILD.bazel b/plugins/repository-search/BUILD.bazel
index 38905db3450a..61ec0df4a247 100644
--- a/plugins/repository-search/BUILD.bazel
+++ b/plugins/repository-search/BUILD.bazel
@@ -46,6 +46,7 @@ jvm_library(
     "@lib//:kotlinx-serialization-json",
     "@lib//:ktor-client-logging",
     "@lib//:kotlinx-coroutines-slf4j",
+    "//libraries/io",
     "//libraries/ktor-client",
     "@lib//:package-search-api-client",
     "@lib//:kotlinx-document-store-mvstore",
@@ -85,6 +86,7 @@ jvm_library(
     "@lib//:kotlinx-coroutines-slf4j",
     "@lib//:ktor-client-mock",
     "@lib//:kotlinx-coroutines-test",
+    "//libraries/io",
     "//libraries/ktor-client",
     "@lib//:package-search-api-client",
     "@lib//:kotlinx-document-store-mvstore",
diff --git a/python/BUILD.bazel b/python/BUILD.bazel
index 386c17382568..d9002e5f5088 100644
--- a/python/BUILD.bazel
+++ b/python/BUILD.bazel
@@ -251,6 +251,7 @@ jvm_library(
     "//platform/util/coroutines",
     "//python/python-syntax:syntax",
     "//platform/ui.jcef",
+    "//libraries/io",
     "//libraries/ktor-client",
     "//libraries/ktor-client-cio",
     "//platform/util/progress",