diff --git a/dependencies.gradle b/dependencies.gradle
index 0b36f617..0c470515 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -34,11 +34,11 @@
  * For more details, see https://docs.gradle.org/8.0.1/userguide/java_library_plugin.html#sec:java_library_configurations_graph
  */
 dependencies {
-    api('com.github.GTNewHorizons:NotEnoughItems:2.8.48-GTNH:dev')
-    api('com.github.GTNewHorizons:Applied-Energistics-2-Unofficial:rv3-beta-811-GTNH:dev')
+    api('com.github.GTNewHorizons:NotEnoughItems:2.8.60-GTNH:dev')
+    api('com.github.GTNewHorizons:Applied-Energistics-2-Unofficial:rv3-beta-813-GTNH-pre:dev')
     api('curse.maven:cofh-core-69162:2388751')
-    api('com.github.GTNewHorizons:waila:1.9.15:dev')
-    api("com.github.GTNewHorizons:GTNHLib:0.8.41:dev")
+    api('com.github.GTNewHorizons:waila:1.19.21:dev')
+    api("com.github.GTNewHorizons:GTNHLib:0.9.10:dev")
 
     implementation("com.github.GTNewHorizons:WirelessCraftingTerminal:1.12.12:dev") {
         exclude group: 'com.github.GTNewHorizons', module: 'Applied-Energistics-2-Unofficial'
@@ -47,16 +47,16 @@ dependencies {
     compileOnly('com.github.GTNewHorizons:Baubles-Expanded:2.2.6-GTNH:dev')
     compileOnly('com.github.GTNewHorizons:ExtraCells2:2.5.35:dev') { transitive = false }
     compileOnly('com.github.GTNewHorizons:ForestryMC:4.11.4:dev')
-    compileOnly('com.github.GTNewHorizons:EnderIO:2.10.12:dev')
-    compileOnly('com.github.GTNewHorizons:GT5-Unofficial:5.09.52.179:dev') {
+    compileOnly('com.github.GTNewHorizons:EnderIO:2.10.15:dev')
+    compileOnly('com.github.GTNewHorizons:GT5-Unofficial:5.09.52.258:dev') {
         exclude group: 'com.github.GTNewHorizons', module: 'AE2FluidCraft-Rework'
         exclude group: 'com.github.GTNewHorizons', module: 'Applied-Energistics-2-Unofficial'
     }
 
     compileOnly('thaumcraft:Thaumcraft:1.7.10-4.2.3.5:dev')
     compileOnly('com.gregoriust.gregtech:gregtech_1.7.10:6.14.23:dev') { transitive = false }
-    compileOnly('com.github.GTNewHorizons:OpenComputers:1.12.9-GTNH:dev') { transitive = false }
-    compileOnly('com.github.GTNewHorizons:ThaumicEnergistics:1.7.18-GTNH:dev') { transitive = false }
+    compileOnly('com.github.GTNewHorizons:OpenComputers:1.12.16-GTNH:dev') { transitive = false }
+    compileOnly('com.github.GTNewHorizons:ThaumicEnergistics:1.7.25-GTNH-pre:dev') { transitive = false }
 
     runtimeOnlyNonPublishable("com.github.GTNewHorizons:DuraDisplay:1.4.0:dev")
 }
diff --git a/gradle.properties b/gradle.properties
index 3b43a313..26bdabdc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -39,14 +39,34 @@ remoteMappings = https\://raw.githubusercontent.com/MinecraftForge/FML/1.7.10/co
 # `./gradlew runClient --username=AnotherPlayer`, or configuring this command in your IDE.
 developmentEnvironmentUserName = Developer
 
-# Enables using modern Java syntax (up to version 17) via Jabel, while still targeting JVM 8.
-# See https://github.com/bsideup/jabel for details on how this works.
-enableModernJavaSyntax = true
+# Enables modern Java syntax support. Valid values:
+# - false: No modern syntax, Java 8 only
+# - jabel: Jabel syntax-only support, compiles to J8 bytecode
+# - jvmDowngrader: Full modern Java via JVM Downgrader (syntax + stdlib APIs)
+# - modern: Native modern Java bytecode, no downgrading
+enableModernJavaSyntax = jabel
 
 # If set, ignores the above setting and compiles with the given toolchain. This may cause unexpected issues,
 # and should *not* be used in most situations. -1 disables this.
 # forceToolchainVersion = -1
 
+# Target JVM version for JVM Downgrader bytecode downgrading.
+# Only used when enableModernJavaSyntax = jvmDowngrader
+# downgradeTargetVersion = 8
+
+# Comma-separated list of Java versions for multi-release jar support (JVM Downgrader only).
+# Classes will be available in META-INF/versions/N/ for each version N in this list.
+# Default: "21,25" (J25+ gets native classes, J21-24 gets partial downgrade, J8-20 gets full downgrade).
+# jvmDowngraderMultiReleaseVersions = 21,25
+
+# Specifies how JVM Downgrader API stubs are provided. Options:
+# - shade: Shade minimized stubs into the jar
+# - gtnhlib: GTNHLib provides stubs at runtime (adds version constraint)
+# - external: Another dependency provides stubs (no constraint, no warning)
+# - (empty): Warning reminding you to configure stubs
+# Note: 'shade' option requires you to verify license compliance, see: https://github.com/unimined/JvmDowngrader/blob/main/LICENSE.md
+# jvmDowngraderStubsProvider =
+
 # Enables injecting missing generics into the decompiled source code for a better coding experience.
 # Turns most publicly visible List, Map, etc. into proper List<E>, Map<K, V> types.
 enableGenericInjection = true
diff --git a/settings.gradle b/settings.gradle
index 9ce4966b..23a58cee 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -17,7 +17,7 @@ pluginManagement {
 }
 
 plugins {
-    id 'com.gtnewhorizons.gtnhsettingsconvention' version '2.0.7'
+    id 'com.gtnewhorizons.gtnhsettingsconvention' version '2.0.19'
 }