From 8c64f23dd0bb587e56a2e38427f5165a9b743f74 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Wed, 29 Apr 2026 09:17:27 +1000
Subject: [PATCH 1/3] fix(#3324): deprecated BufModifiedSet event replaced by
 OptionSet event for Nvim 0.13+

---
 lua/nvim-tree/explorer/init.lua | 33 ++++++++++++++++++++++++---------
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index dcf031e0f5e..7d1c1023e20 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -181,15 +181,30 @@ function Explorer:create_autocmds()
   end
 
   if self.opts.modified.enable then
-    vim.api.nvim_create_autocmd({ "BufModifiedSet", "BufWritePost" }, {
-      group = self.augroup_id,
-      callback = function()
-        utils.debounce("Buf:modified_" .. self.uid_explorer, self.opts.view.debounce_delay, function()
-          buffers.reload_modified()
-          self.renderer:draw()
-        end)
-      end,
-    })
+    local function on_modified_or_buf_write()
+      utils.debounce("Buf:modified_" .. self.uid_explorer, self.opts.view.debounce_delay, function()
+        buffers.reload_modified()
+        self.renderer:draw()
+      end)
+    end
+
+    if vim.fn.has("nvim-0.13") == 1 then
+      vim.api.nvim_create_autocmd({ "OptionSet", }, {
+        group = self.augroup_id,
+        pattern = "modified",
+        callback = on_modified_or_buf_write,
+      })
+      vim.api.nvim_create_autocmd({ "BufWritePost" }, {
+        group = self.augroup_id,
+        callback = on_modified_or_buf_write,
+      })
+    else
+      -- BufModifiedSet event was removed in 0.13: it was a specific case of OptionSet
+      vim.api.nvim_create_autocmd({ "BufModifiedSet", "BufWritePost" }, {
+        group = self.augroup_id,
+        callback = on_modified_or_buf_write,
+      })
+    end
   end
 end
 

From dbb93d4e4541336b44a39118ec522e9a3ae1acf4 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Wed, 29 Apr 2026 09:23:34 +1000
Subject: [PATCH 2/3] fix(#3324): deprecated BufModifiedSet event replaced by
 OptionSet event for Nvim 0.13+

---
 lua/nvim-tree/explorer/init.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index 7d1c1023e20..e484bfd15fb 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -200,7 +200,7 @@ function Explorer:create_autocmds()
       })
     else
       -- BufModifiedSet event was removed in 0.13: it was a specific case of OptionSet
-      vim.api.nvim_create_autocmd({ "BufModifiedSet", "BufWritePost" }, {
+      vim.api.nvim_create_autocmd({ "BufModifiedSet", "BufWritePost" }, { ---@diagnostic disable-line: assign-type-mismatch
         group = self.augroup_id,
         callback = on_modified_or_buf_write,
       })

From b5468d69f0f45eea7340c731d1b4dfba88b7e608 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Fri, 1 May 2026 08:30:12 +1000
Subject: [PATCH 3/3] ci: remove help-check for Nvim nightly

---
 .github/workflows/ci.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67b65c315b1..383a05b5233 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -87,6 +87,7 @@ jobs:
       - run: make format-check
 
       - name: build Nvim from source
+        if: ${{ matrix.nvim_version == 'stable' }}
         run: |
           mkdir -p "${DIR_NVIM_SRC}"
           curl -L "https://github.com/neovim/neovim/archive/refs/tags/${{ matrix.nvim_version }}.tar.gz" | tar zx --directory "${DIR_NVIM_SRC}/.."
@@ -94,3 +95,4 @@ jobs:
           make doc
 
       - run: make help-check
+        if: ${{ matrix.nvim_version == 'stable' }}