--- a/config.c	Thu Jan 04 22:14:29 2024 -0800
+++ b/config.c	Thu Jan 04 22:56:35 2024 -0800
@@ -316,7 +316,7 @@
 	*pads = tern_insert_node(*pads, key, val.ptrval);
 }
 
-#define CONFIG_VERSION 8
+#define CONFIG_VERSION 9
 static tern_node *migrate_config(tern_node *config, int from_version)
 {
 	tern_node *def_config = parse_bundled_config("default.cfg");
@@ -444,6 +444,42 @@
 		free(exts[0]);//All extensions in this list share an allocation, first one is a pointer to the buffer
 		free(exts);
 	}
+	case 8: {
+		uint32_t num_exts;
+		char **exts = get_extension_list(config, &num_exts);
+		char *need_add[] = {"col"};
+		uint32_t num_need_add = sizeof(need_add)/sizeof(*need_add);
+		for (uint32_t i = 0; i < num_exts && num_need_add; i++)
+		{
+			for (uint32_t j = 0; j < num_need_add; j++)
+			{
+				if (!strcmp(exts[i], need_add[j])) {
+					num_need_add--;
+					need_add[j] = need_add[num_need_add];
+					break;
+				}
+			}
+		}
+		if (num_need_add) {
+			const char **parts = calloc(2 * (num_exts + num_need_add) - 1, sizeof(char*));
+			uint32_t dest = 0;
+			for (uint32_t i = 0; i < num_exts; i++)
+			{
+				parts[dest++] = exts[i];
+				parts[dest++] = " ";
+			}
+			for (uint32_t i = 0; i < num_need_add - 1; i++)
+			{
+				parts[dest++] = need_add[i];
+				parts[dest++] = " ";
+			}
+			parts[dest++] = need_add[num_need_add - 1];
+			config = tern_insert_path(config, "ui\0extensions\0", (tern_val){.ptrval = alloc_concat_m(dest, parts)}, TVAL_PTR);
+			free(parts);
+		}
+		free(exts[0]);//All extensions in this list share an allocation, first one is a pointer to the buffer
+		free(exts);
+	}
 	}
 	char buffer[16];
 	sprintf(buffer, "%d", CONFIG_VERSION);