From 09f897ac004cea3824018ce8eb1f61a276b77788 Mon Sep 17 00:00:00 2001
From: Craig Cornelius <cwcornelius@gmail.com>
Date: Fri, 12 Jun 2026 13:59:54 -0700
Subject: [PATCH] Update to use NodeJS v26.3.0 for ICU78

---
 run_config.json                            | 23 ++++++++++++++++++++++
 testgen/generators/datetime_fmt.py         |  1 +
 testgen/generators/list_fmt.py             |  1 +
 testgen/generators/relativedatetime_fmt.py |  2 +-
 testgen/generators/segmenter.py            |  1 +
 5 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/run_config.json b/run_config.json
index c301d480..db3f030d 100644
--- a/run_config.json
+++ b/run_config.json
@@ -178,6 +178,29 @@
       "per_execution": 10000
     }
   },
+  {
+    "prereq": {
+      "name": "nvm 26.3.0, icu78.1",
+      "version": "26.3.0",
+      "command": "nvm install 26.3.0;nvm use 26.3.0 --silent"
+    },
+    "run": {
+      "icu_version": "icu78",
+      "exec": "node",
+      "test_type": [
+        "collation",
+        "datetime_fmt",
+        "list_fmt",
+        "number_fmt",
+        "lang_names",
+        "likely_subtags",
+        "rdt_fmt",
+        "plural_rules",
+        "segmenter"
+      ],
+      "per_execution": 10000
+    }
+  },
   {
     "prereq": {
       "name": "nvm 24.0.0, icu77.1",
diff --git a/testgen/generators/datetime_fmt.py b/testgen/generators/datetime_fmt.py
index 44433398..06ce79f3 100644
--- a/testgen/generators/datetime_fmt.py
+++ b/testgen/generators/datetime_fmt.py
@@ -141,6 +141,7 @@ def generate_datetime_data_from_cldr(self, dt_json_path, run_limit=-1):
     def process_test_data(self):
         # Use NOde JS to create the .json files
         icu_nvm_versions = {
+            'icu78': '26.3.0',
             'icu77': '24.0.0',
             'icu76': '23.11.0',
             'icu75': '22.9.0',
diff --git a/testgen/generators/list_fmt.py b/testgen/generators/list_fmt.py
index 83f870b3..8b26a3c1 100644
--- a/testgen/generators/list_fmt.py
+++ b/testgen/generators/list_fmt.py
@@ -13,6 +13,7 @@ class ListFmtGenerator(DataGenerator):
     def process_test_data(self):
         # Use Node JS to create the .json files
         icu_nvm_versions = {
+            'icu78': '26.3.0',
             'icu77': '24.0.0',
             'icu76': '23.11.0',
             'icu75': '22.9.0',
diff --git a/testgen/generators/relativedatetime_fmt.py b/testgen/generators/relativedatetime_fmt.py
index 6167becc..e6eeeeeb 100644
--- a/testgen/generators/relativedatetime_fmt.py
+++ b/testgen/generators/relativedatetime_fmt.py
@@ -14,7 +14,7 @@ class RelativeDateTimeFmtGenerator(DataGenerator):
     def process_test_data(self):
         # Use Node JS to create the .json files
         icu_nvm_versions = {
-            'icu78': '25.2.1',
+            'icu78': '26.3.0',
             'icu77': '24.0.0',
             'icu76': '23.3.0',
             'icu75': '22.9.0',
diff --git a/testgen/generators/segmenter.py b/testgen/generators/segmenter.py
index ec870c67..e46692b7 100644
--- a/testgen/generators/segmenter.py
+++ b/testgen/generators/segmenter.py
@@ -13,6 +13,7 @@ class SegmenterGenerator(DataGenerator):
     def process_test_data(self):
         # Use Node JS to create the .json files
         icu_nvm_versions = {
+            'icu78': '26.3.0',
             'icu77': '24.0.0',
             'icu76': '23.11.0',
             'icu75': '22.9.0',