diff --git a/.config/nvim/lazy-lock.json b/.config/nvim/lazy-lock.json
index d2b22ef..e323889 100644
--- a/.config/nvim/lazy-lock.json
+++ b/.config/nvim/lazy-lock.json
@@ -7,7 +7,7 @@
   "cmp-buffer": { "branch": "main", "commit": "3022dbc9166796b644a841a02de8dd1cc1d311fa" },
   "cmp-nvim-lsp": { "branch": "main", "commit": "99290b3ec1322070bcfb9e846450a46f6efa50f0" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
-  "conform.nvim": { "branch": "master", "commit": "9180320205d250429f0f80e073326c674e2a7149" },
+  "conform.nvim": { "branch": "master", "commit": "990d37017e193fe40bdabf058e598e76f5e7d929" },
   "copilot-cmp": { "branch": "master", "commit": "15fc12af3d0109fa76b60b5cffa1373697e261d1" },
   "copilot-lualine": { "branch": "main", "commit": "f40450c3e138766026327e7807877ea860618258" },
   "copilot.lua": { "branch": "master", "commit": "886ee73b6d464b2b3e3e6a7ff55ce87feac423a9" },
@@ -16,10 +16,10 @@
   "follow-md-links.nvim": { "branch": "main", "commit": "ce8735a15dc3e5fc5bb052ec51b849c03e57df53" },
   "fzy-lua-native": { "branch": "master", "commit": "9d720745d5c2fb563c0d86c17d77612a3519c506" },
   "git-blame.nvim": { "branch": "master", "commit": "2883a7460f611c2705b23f12d58d398d5ce6ec00" },
-  "github-nvim-theme": { "branch": "main", "commit": "0e4636f556880d13c00d8a8f686fae8df7c9845f" },
+  "github-nvim-theme": { "branch": "main", "commit": "c106c9472154d6b2c74b74565616b877ae8ed31d" },
   "gitsigns.nvim": { "branch": "main", "commit": "5f808b5e4fef30bd8aca1b803b4e555da07fc412" },
   "go.nvim": { "branch": "master", "commit": "c6d5ca26377d01c4de1f7bff1cd62c8b43baa6bc" },
-  "grug-far.nvim": { "branch": "main", "commit": "c88435b825a35bfa468b47159709b3221976ecd1" },
+  "grug-far.nvim": { "branch": "main", "commit": "678f1bb3d75ce732a4b1df6d52084fdec155c57c" },
   "guihua.lua": { "branch": "master", "commit": "d783191eaa75215beae0c80319fcce5e6b3beeda" },
   "indent-blankline.nvim": { "branch": "master", "commit": "259357fa4097e232730341fa60988087d189193a" },
   "karen-yank.nvim": { "branch": "main", "commit": "817f50c9464ce557c8f7f8f4d4c8d2f7b81fc40c" },
@@ -35,13 +35,13 @@
   "mini.align": { "branch": "main", "commit": "26111a737494bc39576ad67b52bbc2638ca23553" },
   "mini.starter": { "branch": "main", "commit": "3e0af795938ee800846708bed92fbe4e8583141a" },
   "neo-tree.nvim": { "branch": "main", "commit": "a77af2e764c5ed4038d27d1c463fa49cd4794e07" },
-  "neotest": { "branch": "master", "commit": "0dccb5ebcf00de245e2060fa17822a9464f5c41a" },
+  "neotest": { "branch": "master", "commit": "d66cf4e05a116957f0d3a7755a24291c7d1e1f72" },
   "neotest-go": { "branch": "main", "commit": "92950ad7be2ca02a41abca5c6600ff6ffaf5b5d6" },
   "neotest-python": { "branch": "master", "commit": "a2861ab3c9a0bf75a56b11835c2bfc8270f5be7e" },
   "neovim-project": { "branch": "main", "commit": "cc5724af3bb2af296ab3c50b7b81e3ef157f7bf2" },
   "neovim-session-manager": { "branch": "master", "commit": "ce43f2eb2a52492157d7742e5f684b9a42bb3e5c" },
   "noice.nvim": { "branch": "main", "commit": "eaed6cc9c06aa2013b5255349e4f26a6b17ab70f" },
-  "none-ls.nvim": { "branch": "main", "commit": "02144ef2b86a816b5dec69783e311bb6feff7d82" },
+  "none-ls.nvim": { "branch": "main", "commit": "caf85560cfcfa62ad3a4c15433db4a8f9ddf934a" },
   "nui.nvim": { "branch": "main", "commit": "53e907ffe5eedebdca1cd503b00aa8692068ca46" },
   "nvim-autopairs": { "branch": "master", "commit": "b464658e9b880f463b9f7e6ccddd93fb0013f559" },
   "nvim-cmp": { "branch": "main", "commit": "b555203ce4bd7ff6192e759af3362f9d217e8c89" },
@@ -49,12 +49,12 @@
   "nvim-dap-python": { "branch": "master", "commit": "34282820bb713b9a5fdb120ae8dd85c2b3f49b51" },
   "nvim-dap-ui": { "branch": "master", "commit": "f7d75cca202b52a60c520ec7b1ec3414d6e77b0f" },
   "nvim-dap-virtual-text": { "branch": "master", "commit": "df66808cd78b5a97576bbaeee95ed5ca385a9750" },
-  "nvim-lspconfig": { "branch": "master", "commit": "8b15a1a597a59f4f5306fad9adfe99454feab743" },
+  "nvim-lspconfig": { "branch": "master", "commit": "a8ef5e6e497b3ebeaaf35b939c07c211563b2e05" },
   "nvim-nio": { "branch": "master", "commit": "a428f309119086dc78dd4b19306d2d67be884eee" },
-  "nvim-treesitter": { "branch": "master", "commit": "4b222913486ec0a5983efa82b0649a2ab87cf1f0" },
+  "nvim-treesitter": { "branch": "master", "commit": "cfbc1c0e0ff63e5b5e37b465b915b95fc2e98cef" },
   "nvim-ts-context-commentstring": { "branch": "main", "commit": "1b212c2eee76d787bbea6aa5e92a2b534e7b4f8f" },
   "nvim-ufo": { "branch": "main", "commit": "32cb247b893a384f1888b9cd737264159ecf183c" },
-  "nvim-web-devicons": { "branch": "master", "commit": "4adeeaa7a32d46cf3b5833341358c797304f950a" },
+  "nvim-web-devicons": { "branch": "master", "commit": "5740b7382429d20b6ed0bbdb0694185af9507d44" },
   "plenary.nvim": { "branch": "master", "commit": "2d9b06177a975543726ce5c73fca176cedbffe9d" },
   "promise-async": { "branch": "main", "commit": "119e8961014c9bfaf1487bf3c2a393d254f337e2" },
   "rose-pine": { "branch": "main", "commit": "91548dca53b36dbb9d36c10f114385f759731be1" },
diff --git a/.config/nvim/lua/core/keymaps.lua b/.config/nvim/lua/core/keymaps.lua
index b0a7594..6ff4c31 100644
--- a/.config/nvim/lua/core/keymaps.lua
+++ b/.config/nvim/lua/core/keymaps.lua
@@ -301,3 +301,10 @@ keymap(
 	"<cmd>lua require'ufo'.peekFoldedLinesUnderCursor()<cr>",
 	vim.tbl_extend("force", opts, { desc = "Peek fold" })
 )
+
+keymap(
+	"n",
+	"<leader>m",
+	":RenderMarkdown toggle<cr>",
+	vim.tbl_extend("force", opts, { desc = "Toggle markdown rendering" })
+)
diff --git a/.config/nvim/lua/core/lazy.lua b/.config/nvim/lua/core/lazy.lua
index 4bc2bfb..6498c49 100644
--- a/.config/nvim/lua/core/lazy.lua
+++ b/.config/nvim/lua/core/lazy.lua
@@ -260,6 +260,11 @@ require("lazy").setup({
 	{
 		"jghauser/follow-md-links.nvim",
 	},
+	{
+		"MeanderingProgrammer/markdown.nvim",
+		name = "render-markdown",
+		version = "v7",
+	},
 
 	-- Copilot
 	{
diff --git a/.config/nvim/lua/plugins/copilot.lua b/.config/nvim/lua/plugins/copilot.lua
index 63e6689..92bfb01 100644
--- a/.config/nvim/lua/plugins/copilot.lua
+++ b/.config/nvim/lua/plugins/copilot.lua
@@ -25,6 +25,9 @@ local prompts = {
 
 require("copilot_cmp").setup()
 require("CopilotChat").setup({
+	highlight_headers = false,
+	separator = "———",
+	error_header = "> [!ERROR] Error",
 	debug = false,
 	show_user_selection = false,
 	clear_chat_on_new_prompt = false,
diff --git a/.config/nvim/lua/plugins/init.lua b/.config/nvim/lua/plugins/init.lua
index 60de393..29ab985 100644
--- a/.config/nvim/lua/plugins/init.lua
+++ b/.config/nvim/lua/plugins/init.lua
@@ -18,6 +18,7 @@ require("plugins.noice")
 require("plugins.trouble")
 require("plugins.autosave")
 require("plugins.markdowntoc")
+require("plugins.render-markdown")
 require("plugins.diffview")
 require("plugins.align")
 require("plugins.ufo")
diff --git a/.config/nvim/lua/plugins/render-markdown.lua b/.config/nvim/lua/plugins/render-markdown.lua
new file mode 100644
index 0000000..b06ae92
--- /dev/null
+++ b/.config/nvim/lua/plugins/render-markdown.lua
@@ -0,0 +1,3 @@
+require("render-markdown").setup({
+	file_types = { "markdown", "copilot-chat" },
+})
diff --git a/README.md b/README.md
index 5d26557..df1db05 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 My dotfiles, including:
 
-- [neovim](.config/nvim/README.md) (need neovim v0.9.x)
+- [neovim](.config/nvim/README.md) (needs neovim >= v0.10.1)
 - kitty
 - polybar
 - zsh