diff --git a/init.el b/init.el
index db81ef9..3fde871 100644
--- a/init.el
+++ b/init.el
@@ -1277,6 +1277,12 @@ With PROJECT, give diagnostics for all buffers in the current project."
                        "--header-insertion=never" "--pch-storage=memory"
                        "--function-arg-placeholders"
                        "--compile-commands-dir=build"))))
+(use-package eglot-inactive-regions
+  :custom
+  (eglot-inactive-regions-style 'darken-foreground)
+  (eglot-inactive-regions-opacity 0.4)
+  :config
+  (eglot-inactive-regions-mode 1))
 
 ;; LTeX (languagetool)
 (require 'ltex-eglot)
@@ -1779,10 +1785,16 @@ otherwise, call `bibtex-find-text'."
 
 ;; kdl
 (require 'kdl-ts-mode)
+(with-eval-after-load 'kdl-ts-mode
+  (setq kdl-ts-mode-indent-offset 4))
 
 ;; json
 (use-package json-ts-mode
-  :hook (json-ts-mode . trusted-files-eglot-ensure-if-safe))
+  :hook (json-ts-mode . trusted-files-eglot-ensure-if-safe)
+  :custom
+  (json-ts-mode-indent-offset 4)
+  :init
+  (add-to-list 'auto-mode-alist '("\\.jsonc\\'" . json-ts-mode)))
 (use-package json-mode)
 
 ;; csv