From 31481abe3e6aecc7a8aac17424cc7ef4aa328d2f Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 11:09:06 +1100
Subject: [PATCH 1/9] perf(#3257): replace view.initial_width with a function

---
 lua/nvim-tree/view.lua | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/lua/nvim-tree/view.lua b/lua/nvim-tree/view.lua
index 6e36c8e50da..9b84feff2ef 100644
--- a/lua/nvim-tree/view.lua
+++ b/lua/nvim-tree/view.lua
@@ -116,7 +116,7 @@ local function create_buffer(bufnr)
   events._dispatch_tree_attached_post(M.get_bufnr())
 end
 
----@param size (fun():integer)|integer|string
+---@param size nvim_tree.config.view.width.spec
 ---@return integer
 local function get_size(size)
   if type(size) == "number" then
@@ -129,6 +129,16 @@ local function get_size(size)
   return math.floor(vim.o.columns * percent_as_decimal)
 end
 
+---Return the width as per config
+---@return integer
+local function initial_width()
+  if type(config.g.view.width) == "table" then
+    return get_size(config.g.view.width.min or DEFAULT_MIN_WIDTH)
+  else
+    return get_size(config.g.view.width --[[@as nvim_tree.config.view.width.spec]])
+  end
+end
+
 ---@param size (fun():integer)|integer|nil
 ---@return integer
 local function get_width(size)
@@ -317,7 +327,7 @@ local function grow()
     padding = padding + wininfo[1].textoff
   end
 
-  local final_width = M.View.initial_width
+  local final_width = initial_width()
   local max_width = get_width(M.View.max_width)
   if max_width == -1 then
     max_width = math.huge
@@ -606,7 +616,7 @@ function M.configure_width(width)
       M.configure_width(config.g.view.width)
     else
       -- otherwise - restore initial width
-      M.View.width = M.View.initial_width
+      M.View.width = initial_width()
     end
   else
     M.View.adaptive_size = false
@@ -624,8 +634,6 @@ function M.setup(opts)
   M.View.winopts.signcolumn = options.signcolumn
 
   M.configure_width(options.width)
-
-  M.View.initial_width = get_width()
 end
 
 return M

From ae58f0ef797ba0ff2dd903ef537abc3a1e9abd47 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 11:33:24 +1100
Subject: [PATCH 2/9] perf(#3257): remove winopts from view setup

---
 lua/nvim-tree/view.lua | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lua/nvim-tree/view.lua b/lua/nvim-tree/view.lua
index 9b84feff2ef..04289dafa63 100644
--- a/lua/nvim-tree/view.lua
+++ b/lua/nvim-tree/view.lua
@@ -164,6 +164,12 @@ end
 local function set_window_options_and_buffer()
   pcall(vim.api.nvim_command, "buffer " .. M.get_bufnr())
 
+  M.View.winopts.cursorline = config.g.view.cursorline
+  M.View.winopts.cursorlineopt = config.g.view.cursorlineopt
+  M.View.winopts.number = config.g.view.number
+  M.View.winopts.relativenumber = config.g.view.relativenumber
+  M.View.winopts.signcolumn = config.g.view.signcolumn
+
   if vim.fn.has("nvim-0.10") == 1 then
     local eventignore = vim.api.nvim_get_option_value("eventignore", {})
     vim.api.nvim_set_option_value("eventignore", "all", {})
@@ -627,12 +633,6 @@ end
 ---@param opts nvim_tree.config
 function M.setup(opts)
   local options = opts.view or {}
-  M.View.winopts.cursorline = options.cursorline
-  M.View.winopts.cursorlineopt = options.cursorlineopt
-  M.View.winopts.number = options.number
-  M.View.winopts.relativenumber = options.relativenumber
-  M.View.winopts.signcolumn = options.signcolumn
-
   M.configure_width(options.width)
 end
 

From d361be831ce6e9de9a36d08e3b4b1be7f740a9f6 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 11:51:18 +1100
Subject: [PATCH 3/9] perf(#3257): remove view setup

---
 lua/nvim-tree.lua      |  1 -
 lua/nvim-tree/view.lua | 66 ++++++++++++++++++++++--------------------
 2 files changed, 35 insertions(+), 32 deletions(-)

diff --git a/lua/nvim-tree.lua b/lua/nvim-tree.lua
index f29005e5961..aa9b08a2c0b 100644
--- a/lua/nvim-tree.lua
+++ b/lua/nvim-tree.lua
@@ -289,7 +289,6 @@ function M.setup(config_user)
   end
 
   require("nvim-tree.appearance").setup()
-  require("nvim-tree.view").setup(config.g)
   require("nvim-tree.renderer.components").setup(config.g)
 
   setup_autocommands()
diff --git a/lua/nvim-tree/view.lua b/lua/nvim-tree/view.lua
index 04289dafa63..68be68a419e 100644
--- a/lua/nvim-tree/view.lua
+++ b/lua/nvim-tree/view.lua
@@ -139,6 +139,31 @@ local function initial_width()
   end
 end
 
+---Configure width-related config
+---@param width string|function|number|table|nil
+function M.configure_width(width)
+  log.line("dev", "configure_width")
+  if type(width) == "table" then
+    M.View.adaptive_size = true
+    M.View.width = width.min or DEFAULT_MIN_WIDTH
+    M.View.max_width = width.max or DEFAULT_MAX_WIDTH
+    local lines_excluded = width.lines_excluded or DEFAULT_LINES_EXCLUDED
+    M.View.root_excluded = vim.tbl_contains(lines_excluded, "root")
+    M.View.padding = width.padding or DEFAULT_PADDING
+  elseif width == nil then
+    if config.g.view.width ~= nil then
+      -- if we had input config - fallback to it
+      M.configure_width(config.g.view.width)
+    else
+      -- otherwise - restore initial width
+      M.View.width = initial_width()
+    end
+  else
+    M.View.adaptive_size = false
+    M.View.width = width
+  end
+end
+
 ---@param size (fun():integer)|integer|nil
 ---@return integer
 local function get_width(size)
@@ -198,7 +223,7 @@ local function open_win_config()
   if type(config.g.view.float.open_win_config) == "function" then
     return config.g.view.float.open_win_config()
   else
-    return config.g.view.float.open_win_config --[[ @as vim.api.keyset.win_config ]]
+    return config.g.view.float.open_win_config --[[@as vim.api.keyset.win_config]]
   end
 end
 
@@ -305,6 +330,10 @@ function M.open(options)
     return
   end
 
+  if not M.View.width then
+    M.configure_width(config.g.view.width)
+  end
+
   local profile = log.profile_start("view open")
 
   events._dispatch_on_tree_pre_open()
@@ -420,6 +449,11 @@ end
 ---@param opts OpenInWinOpts|nil
 function M.open_in_win(opts)
   opts = opts or { hijack_current_buf = true, resize = true }
+
+  if not M.View.width then
+    M.configure_width(config.g.view.width)
+  end
+
   events._dispatch_on_tree_pre_open()
   if opts.winid and vim.api.nvim_win_is_valid(opts.winid) then
     vim.api.nvim_set_current_win(opts.winid)
@@ -606,34 +640,4 @@ function M.is_width_determined()
   return type(M.View.width) ~= "function"
 end
 
----Configure width-related config
----@param width string|function|number|table|nil
-function M.configure_width(width)
-  if type(width) == "table" then
-    M.View.adaptive_size = true
-    M.View.width = width.min or DEFAULT_MIN_WIDTH
-    M.View.max_width = width.max or DEFAULT_MAX_WIDTH
-    local lines_excluded = width.lines_excluded or DEFAULT_LINES_EXCLUDED
-    M.View.root_excluded = vim.tbl_contains(lines_excluded, "root")
-    M.View.padding = width.padding or DEFAULT_PADDING
-  elseif width == nil then
-    if config.g.view.width ~= nil then
-      -- if we had input config - fallback to it
-      M.configure_width(config.g.view.width)
-    else
-      -- otherwise - restore initial width
-      M.View.width = initial_width()
-    end
-  else
-    M.View.adaptive_size = false
-    M.View.width = width
-  end
-end
-
----@param opts nvim_tree.config
-function M.setup(opts)
-  local options = opts.view or {}
-  M.configure_width(options.width)
-end
-
 return M

From 39e446aa4d01073978b9f6cfbee334fa1a2bbdd5 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 12:29:22 +1100
Subject: [PATCH 4/9] perf(#3257): remove view setup

---
 lua/nvim-tree/view.lua | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lua/nvim-tree/view.lua b/lua/nvim-tree/view.lua
index 68be68a419e..f0fc8a21faa 100644
--- a/lua/nvim-tree/view.lua
+++ b/lua/nvim-tree/view.lua
@@ -142,7 +142,6 @@ end
 ---Configure width-related config
 ---@param width string|function|number|table|nil
 function M.configure_width(width)
-  log.line("dev", "configure_width")
   if type(width) == "table" then
     M.View.adaptive_size = true
     M.View.width = width.min or DEFAULT_MIN_WIDTH

From 05a49e284c468ea6207b2c71e01db15041809f79 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 12:14:50 +1100
Subject: [PATCH 5/9] perf(#3257): remove devicons setup

---
 .../renderer/components/devicons.lua          | 35 ++++++++++++-------
 lua/nvim-tree/renderer/components/init.lua    |  2 --
 2 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/lua/nvim-tree/renderer/components/devicons.lua b/lua/nvim-tree/renderer/components/devicons.lua
index ad91d058c15..d5fd307c2cd 100644
--- a/lua/nvim-tree/renderer/components/devicons.lua
+++ b/lua/nvim-tree/renderer/components/devicons.lua
@@ -1,3 +1,5 @@
+local config = require("nvim-tree.config")
+
 ---@alias devicons_get_icon fun(name: string, ext: string?, opts: table?): string?, string?
 ---@alias devicons_setup fun(opts: table?)
 
@@ -6,22 +8,14 @@
 ---@field get_icon devicons_get_icon
 local devicons
 
-local M = {}
+--One shot lazy discovery and setup done
+local initialized = false
 
----Wrapper around nvim-web-devicons, nils if devicons not available
----@type devicons_get_icon
-function M.get_icon(name, ext, opts)
-  if devicons then
-    return devicons.get_icon(name, ext, opts)
-  else
-    return nil, nil
-  end
-end
+local M = {}
 
 ---Attempt to use nvim-web-devicons if present and enabled for file or folder
----@param opts table
-function M.setup(opts)
-  if opts.renderer.icons.show.file or opts.renderer.icons.show.folder then
+local function initialize()
+  if config.g.renderer.icons.show.file or config.g.renderer.icons.show.folder then
     local ok, di = pcall(require, "nvim-web-devicons")
     if ok then
       devicons = di --[[@as DevIcons]]
@@ -30,6 +24,21 @@ function M.setup(opts)
       devicons.setup()
     end
   end
+  initialized = true
+end
+
+---Wrapper around nvim-web-devicons, nils if devicons not available
+---@type devicons_get_icon
+function M.get_icon(name, ext, opts)
+  if not initialized then
+    initialize()
+  end
+
+  if devicons then
+    return devicons.get_icon(name, ext, opts)
+  else
+    return nil, nil
+  end
 end
 
 return M
diff --git a/lua/nvim-tree/renderer/components/init.lua b/lua/nvim-tree/renderer/components/init.lua
index a06827422dd..5ef3bbd6d8e 100644
--- a/lua/nvim-tree/renderer/components/init.lua
+++ b/lua/nvim-tree/renderer/components/init.lua
@@ -1,10 +1,8 @@
 local M = {}
 
-M.devicons = require("nvim-tree.renderer.components.devicons")
 M.padding = require("nvim-tree.renderer.components.padding")
 
 function M.setup(opts)
-  M.devicons.setup(opts)
   M.padding.setup(opts)
 end
 

From 874c971e463ef68b9bd20920fe6fe8c0e6fd6f9a Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 12:49:51 +1100
Subject: [PATCH 6/9] perf(#3257): remove padding setup

---
 lua/nvim-tree.lua                             |  1 -
 lua/nvim-tree/config.lua                      | 15 +++++
 lua/nvim-tree/renderer/components/init.lua    |  9 ---
 lua/nvim-tree/renderer/components/padding.lua | 55 ++++++-------------
 4 files changed, 33 insertions(+), 47 deletions(-)
 delete mode 100644 lua/nvim-tree/renderer/components/init.lua

diff --git a/lua/nvim-tree.lua b/lua/nvim-tree.lua
index aa9b08a2c0b..e86510920e1 100644
--- a/lua/nvim-tree.lua
+++ b/lua/nvim-tree.lua
@@ -289,7 +289,6 @@ function M.setup(config_user)
   end
 
   require("nvim-tree.appearance").setup()
-  require("nvim-tree.renderer.components").setup(config.g)
 
   setup_autocommands()
 
diff --git a/lua/nvim-tree/config.lua b/lua/nvim-tree/config.lua
index 8e819961a6d..5c3403d36d7 100644
--- a/lua/nvim-tree/config.lua
+++ b/lua/nvim-tree/config.lua
@@ -511,6 +511,21 @@ local function process_config(g)
   -- Open
   --
   g.actions.open_file.window_picker.chars = tostring(g.actions.open_file.window_picker.chars):upper()
+
+  --
+  -- Padding
+  --
+  if g.renderer.indent_width < 1 then
+    g.renderer.indent_width = 1
+  end
+  for k, v in pairs(g.renderer.indent_markers.icons) do
+    if #v == 0 then
+      g.renderer.indent_markers.icons[k] = " "
+    else
+      -- return the first character from the UTF-8 encoded string; we may use utf8.codes from Lua 5.3 when available
+      g.renderer.indent_markers.icons[k] = v:match("[%z\1-\127\194-\244][\128-\191]*")
+    end
+  end
 end
 
 ---Validate user config and migrate legacy.
diff --git a/lua/nvim-tree/renderer/components/init.lua b/lua/nvim-tree/renderer/components/init.lua
deleted file mode 100644
index 5ef3bbd6d8e..00000000000
--- a/lua/nvim-tree/renderer/components/init.lua
+++ /dev/null
@@ -1,9 +0,0 @@
-local M = {}
-
-M.padding = require("nvim-tree.renderer.components.padding")
-
-function M.setup(opts)
-  M.padding.setup(opts)
-end
-
-return M
diff --git a/lua/nvim-tree/renderer/components/padding.lua b/lua/nvim-tree/renderer/components/padding.lua
index be84ae0b9de..9e04addfdaf 100644
--- a/lua/nvim-tree/renderer/components/padding.lua
+++ b/lua/nvim-tree/renderer/components/padding.lua
@@ -1,3 +1,4 @@
+local config = require("nvim-tree.config")
 local DirectoryNode = require("nvim-tree.node.directory")
 
 local M = {}
@@ -27,21 +28,21 @@ local function get_padding_indent_markers(depth, idx, nodes_number, markers, wit
 
   if depth > 0 then
     local has_folder_sibling = check_siblings_for_folder(node, with_arrows)
-    local indent = string.rep(" ", M.config.indent_width - 1)
+    local indent = string.rep(" ", config.g.renderer.indent_width - 1)
     markers[depth] = idx ~= nodes_number
     for i = 1, depth - early_stop do
       local glyph
       if idx == nodes_number and i == depth then
-        local bottom_width = M.config.indent_width - 2 + (with_arrows and not inline_arrows and has_folder_sibling and 2 or 0)
-        glyph = M.config.indent_markers.icons.corner
-          .. string.rep(M.config.indent_markers.icons.bottom, bottom_width)
-          .. (M.config.indent_width > 1 and " " or "")
+        local bottom_width = config.g.renderer.indent_width - 2 + (with_arrows and not inline_arrows and has_folder_sibling and 2 or 0)
+        glyph = config.g.renderer.indent_markers.icons.corner
+          .. string.rep(config.g.renderer.indent_markers.icons.bottom, bottom_width)
+          .. (config.g.renderer.indent_width > 1 and " " or "")
       elseif markers[i] and i == depth then
-        glyph = M.config.indent_markers.icons.item .. indent
+        glyph = config.g.renderer.indent_markers.icons.item .. indent
       elseif markers[i] then
-        glyph = M.config.indent_markers.icons.edge .. indent
+        glyph = config.g.renderer.indent_markers.icons.edge .. indent
       else
-        glyph = M.config.indent_markers.icons.none .. indent
+        glyph = config.g.renderer.indent_markers.icons.none .. indent
       end
 
       if not with_arrows or (inline_arrows and (depth ~= i or not node.nodes)) then
@@ -68,10 +69,10 @@ end
 function M.get_indent_markers(depth, idx, nodes_number, node, markers, early_stop)
   local str = ""
 
-  local show_arrows = M.config.icons.show.folder_arrow
-  local show_markers = M.config.indent_markers.enable
-  local inline_arrows = M.config.indent_markers.inline_arrows
-  local indent_width = M.config.indent_width
+  local show_arrows = config.g.renderer.icons.show.folder_arrow
+  local show_markers = config.g.renderer.indent_markers.enable
+  local inline_arrows = config.g.renderer.indent_markers.inline_arrows
+  local indent_width = config.g.renderer.indent_width
 
   if show_markers then
     str = str .. get_padding_indent_markers(depth, idx, nodes_number, markers, show_arrows, inline_arrows, node, early_stop or 0)
@@ -85,7 +86,7 @@ end
 ---@param node Node
 ---@return nvim_tree.api.highlighted_string[]?
 function M.get_arrows(node)
-  if not M.config.icons.show.folder_arrow then
+  if not config.g.renderer.icons.show.folder_arrow then
     return
   end
 
@@ -95,38 +96,18 @@ function M.get_arrows(node)
   local dir = node:as(DirectoryNode)
   if dir then
     if dir.open then
-      str = M.config.icons.glyphs.folder["arrow_open"] .. M.config.icons.padding.folder_arrow
+      str = config.g.renderer.icons.glyphs.folder["arrow_open"] .. config.g.renderer.icons.padding.folder_arrow
       hl = "NvimTreeFolderArrowOpen"
     else
-      str = M.config.icons.glyphs.folder["arrow_closed"] .. M.config.icons.padding.folder_arrow
+      str = config.g.renderer.icons.glyphs.folder["arrow_closed"] .. config.g.renderer.icons.padding.folder_arrow
     end
-  elseif M.config.indent_markers.enable then
+  elseif config.g.renderer.indent_markers.enable then
     str = ""
   else
-    str = " " .. string.rep(" ", #M.config.icons.padding.folder_arrow)
+    str = " " .. string.rep(" ", #config.g.renderer.icons.padding.folder_arrow)
   end
 
   return { str = str, hl = { hl } }
 end
 
-function M.setup(opts)
-  M.config = opts.renderer
-
-  if M.config.indent_width < 1 then
-    M.config.indent_width = 1
-  end
-
-  local function check_marker(symbol)
-    if #symbol == 0 then
-      return " "
-    end
-    -- return the first character from the UTF-8 encoded string; we may use utf8.codes from Lua 5.3 when available
-    return symbol:match("[%z\1-\127\194-\244][\128-\191]*")
-  end
-
-  for k, v in pairs(M.config.indent_markers.icons) do
-    M.config.indent_markers.icons[k] = check_marker(v)
-  end
-end
-
 return M

From d5d51b91aade861a19512cfbeb7253c576a3da24 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 13:24:43 +1100
Subject: [PATCH 7/9] perf(#3257): remove appearance and log setup

---
 lua/nvim-tree.lua                 |  4 ++--
 lua/nvim-tree/appearance/init.lua |  3 ++-
 lua/nvim-tree/explorer/init.lua   |  2 +-
 lua/nvim-tree/log.lua             | 11 +++++++----
 4 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/lua/nvim-tree.lua b/lua/nvim-tree.lua
index e86510920e1..d560ac741cf 100644
--- a/lua/nvim-tree.lua
+++ b/lua/nvim-tree.lua
@@ -281,14 +281,14 @@ function M.setup(config_user)
 
   manage_netrw()
 
-  require("nvim-tree.log").setup(config.g)
+  require("nvim-tree.log").start()
 
   if log.enabled("config") then
     log.line("config", "default config + user")
     log.raw("config", "%s\n", vim.inspect(config.g))
   end
 
-  require("nvim-tree.appearance").setup()
+  require("nvim-tree.appearance").define_hi()
 
   setup_autocommands()
 
diff --git a/lua/nvim-tree/appearance/init.lua b/lua/nvim-tree/appearance/init.lua
index 61714af644e..1b8d27cedc1 100644
--- a/lua/nvim-tree/appearance/init.lua
+++ b/lua/nvim-tree/appearance/init.lua
@@ -182,7 +182,8 @@ M.LEGACY_LINKS = {
   NvimTreeDiagnosticHintFolderHL = "NvimTreeLspDiagnosticsHintFolderText",
 }
 
-function M.setup()
+---Create all highlight groups and links. Idempotent.
+function M.define_hi()
   -- non-linked
   for _, g in ipairs(M.HIGHLIGHT_GROUPS) do
     if g.def then
diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index eb9b5f5d097..3559a74cf5c 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -88,7 +88,7 @@ function Explorer:create_autocmds()
   vim.api.nvim_create_autocmd("ColorScheme", {
     group = self.augroup_id,
     callback = function()
-      appearance.setup()
+      appearance.define_hi()
       view.reset_winhl()
       self.renderer:draw()
     end,
diff --git a/lua/nvim-tree/log.lua b/lua/nvim-tree/log.lua
index 9665c1335e6..ff5686061fd 100644
--- a/lua/nvim-tree/log.lua
+++ b/lua/nvim-tree/log.lua
@@ -1,3 +1,5 @@
+local config = require("nvim-tree.config")
+
 ---@alias LogTypes "all" | "config" | "copy_paste" | "dev" | "diagnostics" | "git" | "profile" | "watcher"
 
 ---@type table<LogTypes, boolean>
@@ -110,11 +112,12 @@ function M.enabled(typ)
   return file_path ~= nil and (types[typ] or types.all)
 end
 
-function M.setup(opts)
-  if opts.log and opts.log.enable and opts.log.types then
-    types = opts.log.types
+--- Create the log file and enable logging, if globally configured
+function M.start()
+  if config.g.log and config.g.log.enable and config.g.log.types then
+    types = config.g.log.types
     file_path = string.format("%s/nvim-tree.log", vim.fn.stdpath("log"), os.date("%H:%M:%S"), vim.env.USER)
-    if opts.log.truncate then
+    if config.g.log.truncate then
       os.remove(file_path)
     end
     require("nvim-tree.notify").debug("nvim-tree.lua logging to " .. file_path)

From 3a247fbf2a032b59f72a3b7fca733bcc44d4f6e5 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 13:28:52 +1100
Subject: [PATCH 8/9] perf(#3257): remove appearance setup

---
 lua/nvim-tree.lua                 | 2 +-
 lua/nvim-tree/appearance/init.lua | 2 +-
 lua/nvim-tree/explorer/init.lua   | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lua/nvim-tree.lua b/lua/nvim-tree.lua
index d560ac741cf..4d05899bf2a 100644
--- a/lua/nvim-tree.lua
+++ b/lua/nvim-tree.lua
@@ -288,7 +288,7 @@ function M.setup(config_user)
     log.raw("config", "%s\n", vim.inspect(config.g))
   end
 
-  require("nvim-tree.appearance").define_hi()
+  require("nvim-tree.appearance").set_hl()
 
   setup_autocommands()
 
diff --git a/lua/nvim-tree/appearance/init.lua b/lua/nvim-tree/appearance/init.lua
index 1b8d27cedc1..9190ad07d49 100644
--- a/lua/nvim-tree/appearance/init.lua
+++ b/lua/nvim-tree/appearance/init.lua
@@ -183,7 +183,7 @@ M.LEGACY_LINKS = {
 }
 
 ---Create all highlight groups and links. Idempotent.
-function M.define_hi()
+function M.set_hl()
   -- non-linked
   for _, g in ipairs(M.HIGHLIGHT_GROUPS) do
     if g.def then
diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index 3559a74cf5c..d33be5f10bf 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -88,7 +88,7 @@ function Explorer:create_autocmds()
   vim.api.nvim_create_autocmd("ColorScheme", {
     group = self.augroup_id,
     callback = function()
-      appearance.define_hi()
+      appearance.set_hl()
       view.reset_winhl()
       self.renderer:draw()
     end,

From 1d8038af8bbe0725bce04d32479b5a90da013798 Mon Sep 17 00:00:00 2001
From: Alexander Courtis <alex@courtis.org>
Date: Sat, 28 Mar 2026 13:31:14 +1100
Subject: [PATCH 9/9] perf(#3257): remove rename-file setup

---
 lua/nvim-tree/actions/fs/rename-file.lua | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/lua/nvim-tree/actions/fs/rename-file.lua b/lua/nvim-tree/actions/fs/rename-file.lua
index 0b4f22ac1d7..0740b813841 100644
--- a/lua/nvim-tree/actions/fs/rename-file.lua
+++ b/lua/nvim-tree/actions/fs/rename-file.lua
@@ -192,8 +192,4 @@ function M.rename_full(node)
   prompt_to_rename(node, ":p")
 end
 
-function M.setup(opts)
-  config.g.filesystem_watchers = opts.filesystem_watchers
-end
-
 return M