diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e94e2d7..01394c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,22 +29,21 @@ jobs:
       - name: Test build tooling
         run: python -m unittest discover -s scripts/tests -v
 
-      - id: list
-        name: Get all variant list
-        run: |
-          echo "all_variants=$(python scripts/build.py --list-boards --json)" >> $GITHUB_OUTPUT
-
       - id: select
         name: Select variants based on changes
         shell: bash
-        env:
-          ALL_VARIANTS: ${{ steps.list.outputs.all_variants }}
         run: |
           EVENT_NAME="${{ github.event_name }}"
 
           # push 到 main 分支，编译全部变体
           if [[ "$EVENT_NAME" == "push" ]]; then
-            echo "variants=$ALL_VARIANTS" >> $GITHUB_OUTPUT
+            # Keep the full matrix out of an environment variable. A single
+            # Linux environment entry is limited to 128 KiB, and the variant
+            # JSON can exceed that as boards are added.
+            {
+              printf 'variants='
+              python scripts/build.py --list-boards --json
+            } >> "$GITHUB_OUTPUT"
             exit 0
           fi
 
diff --git a/main/boards/wk-esp32s3-dev/esp_lcd_ili9486.c b/main/boards/wk-esp32s3-dev/esp_lcd_ili9486.c
index 7d46b48..abae6da 100644
--- a/main/boards/wk-esp32s3-dev/esp_lcd_ili9486.c
+++ b/main/boards/wk-esp32s3-dev/esp_lcd_ili9486.c
@@ -77,7 +77,7 @@ esp_err_t esp_lcd_new_panel_ili9486(const esp_lcd_panel_io_handle_t io, const es
         ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported color space");
         break;
     }
-#else
+#elif ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(6, 0, 0)
     switch (panel_dev_config->rgb_endian) {
     case LCD_RGB_ENDIAN_RGB:
         ili9486->madctl_val = 0;
@@ -89,6 +89,19 @@ esp_err_t esp_lcd_new_panel_ili9486(const esp_lcd_panel_io_handle_t io, const es
         ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported rgb endian");
         break;
     }
+#else
+    switch (panel_dev_config->rgb_ele_order) {
+        case LCD_RGB_ELEMENT_ORDER_RGB:
+            ili9486->madctl_val = 0;
+            break;
+        case LCD_RGB_ELEMENT_ORDER_BGR:
+            ili9486->madctl_val |= LCD_CMD_BGR_BIT;
+            break;
+        default:
+            ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG,
+                              "unsupported rgb element order");
+            break;
+    }
 #endif
 
     switch (panel_dev_config->bits_per_pixel) {
diff --git a/main/boards/wk-esp32s3-dev/esp_lcd_nv3030b.c b/main/boards/wk-esp32s3-dev/esp_lcd_nv3030b.c
index 4362845..b1ab81b 100644
--- a/main/boards/wk-esp32s3-dev/esp_lcd_nv3030b.c
+++ b/main/boards/wk-esp32s3-dev/esp_lcd_nv3030b.c
@@ -73,7 +73,7 @@ esp_err_t esp_lcd_new_panel_nv3030b(const esp_lcd_panel_io_handle_t io, const es
         ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported color space");
         break;
     }
-#else
+#elif ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(6, 0, 0)
     switch (panel_dev_config->rgb_endian) {
     case LCD_RGB_ENDIAN_RGB:
         nv3030b->madctl_val = 0;
@@ -85,6 +85,19 @@ esp_err_t esp_lcd_new_panel_nv3030b(const esp_lcd_panel_io_handle_t io, const es
         ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "unsupported rgb endian");
         break;
     }
+#else
+    switch (panel_dev_config->rgb_ele_order) {
+        case LCD_RGB_ELEMENT_ORDER_RGB:
+            nv3030b->madctl_val = 0;
+            break;
+        case LCD_RGB_ELEMENT_ORDER_BGR:
+            nv3030b->madctl_val |= LCD_CMD_BGR_BIT;
+            break;
+        default:
+            ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG,
+                              "unsupported rgb element order");
+            break;
+    }
 #endif
 
     switch (panel_dev_config->bits_per_pixel) {
diff --git a/main/boards/wk-esp32s3-dev/wk-esp32s3-dev.cc b/main/boards/wk-esp32s3-dev/wk-esp32s3-dev.cc
index cb8db82..f1b9aad 100644
--- a/main/boards/wk-esp32s3-dev/wk-esp32s3-dev.cc
+++ b/main/boards/wk-esp32s3-dev/wk-esp32s3-dev.cc
@@ -101,26 +101,25 @@ private:
 
     void InitializeSsd1306Display() {
         // SSD1306 config
-        esp_lcd_panel_io_i2c_config_t io_config = {
-            .dev_addr = 0x3C,
-            .on_color_trans_done = nullptr,
-            .user_ctx = nullptr,
-            .control_phase_bytes = 1,
-            .dc_bit_offset = 6,
-            .lcd_cmd_bits = 8,
-            .lcd_param_bits = 8,
-            .flags = {
-                .dc_low_on_data = 0,
-                .disable_control_phase = 0,
-            },
-            .scl_speed_hz = 400 * 1000,
-        };
+        // IDF 5.5 and 6.x declare these fields in a different order. Assign
+        // them individually so C++ designated-initializer ordering is irrelevant.
+        esp_lcd_panel_io_i2c_config_t io_config = {};
+        io_config.dev_addr = 0x3C;
+        io_config.scl_speed_hz = 400 * 1000;
+        io_config.control_phase_bytes = 1;
+        io_config.dc_bit_offset = 6;
+        io_config.lcd_cmd_bits = 8;
+        io_config.lcd_param_bits = 8;
+        io_config.on_color_trans_done = nullptr;
+        io_config.user_ctx = nullptr;
+        io_config.flags.dc_low_on_data = 0;
+        io_config.flags.disable_control_phase = 0;
 
-        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c_v2(display_i2c_bus_, &io_config, &panel_io_));
+        ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c(display_i2c_bus_, &io_config, &panel_io_));
 
         ESP_LOGI(TAG, "Install SSD1306 driver");
         esp_lcd_panel_dev_config_t panel_config = {};
-        panel_config.reset_gpio_num = -1;
+        panel_config.reset_gpio_num = GPIO_NUM_NC;
         panel_config.bits_per_pixel = 1;
 
         esp_lcd_panel_ssd1306_config_t ssd1306_config = {