diff --git a/after/ftplugin/typst.lua b/after/ftplugin/typst.lua
deleted file mode 100644
index c642643..0000000
--- a/after/ftplugin/typst.lua
+++ /dev/null
@@ -1 +0,0 @@
-vim.cmd.setlocal("textwidth=80")
diff --git a/after/lsp/tinymist.lua b/after/lsp/tinymist.lua
deleted file mode 100644
index 6220be5..0000000
--- a/after/lsp/tinymist.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-return {
-  settings = {
-    exportPdf = "onType",
-  }
-}
diff --git a/after/lsp/zls.lua b/after/lsp/zls.lua
new file mode 100644
index 0000000..9dc490e
--- /dev/null
+++ b/after/lsp/zls.lua
@@ -0,0 +1,7 @@
+return {
+  settings = {
+    zls = {
+      enable_build_on_save = true
+    }
+  }
+}
diff --git a/lua/conf/plugins/lsp.lua b/lua/conf/plugins/lsp.lua
index 0d9f4c0..128d1f1 100644
--- a/lua/conf/plugins/lsp.lua
+++ b/lua/conf/plugins/lsp.lua
@@ -7,15 +7,14 @@ return {
     load = function()
       core.lsp.setup()
       require("mason-lspconfig").setup {
-        ensure_installed = {
+        ensure_added = {
           "clangd",
           "mesonlsp",
           "bashls",
           "jdtls",
           "lua_ls",
           "basedpyright",
-          "zls",
-          "nil_ls"
+          "debugpy"
         }
       }
     end
diff --git a/lua/conf/plugins/treesitter.lua b/lua/conf/plugins/treesitter.lua
index 30d31a5..17588f6 100644
--- a/lua/conf/plugins/treesitter.lua
+++ b/lua/conf/plugins/treesitter.lua
@@ -1,59 +1,59 @@
-local map = core.misc.map
+local map, auto = core.misc.map, core.misc.auto
+
+local function highlight(buf)
+  local lang = vim.bo[buf].ft
+  if table.contains({ "diff", "tex" }, lang) then
+    return false
+  end
+
+  -- disable in big files
+  local ok, stats = pcall(vim.uv.fs_stat,
+  vim.api.nvim_buf_get_name(buf))
+  if ok and stats and stats.size > (1024 * 100 * 10) --[[1MB]] then
+    return false
+  end
+
+  return true
+end
+
+local function indent(buf)
+  local lang = vim.bo[buf].ft
+  -- disable indenting in php (it's more broken with than without)
+  return not table.contains({ "php" }, lang)
+end
 
 return {
   { "nvim-treesitter/nvim-treesitter",
-    branch = "master",
+    branch = "main",
     config = function()
       vim.cmd("TSUpdate")
     end,
     load = function()
-      require("nvim-treesitter.configs").setup {
-        -- good default parsers
-        ensure_installed = { "c", "lua", "vim", "vimdoc", "markdown",
-          "markdown_inline", "java", "bash", "css", "html", "luadoc",
-          "make", "zig"
-        },
+      local treesitter = require("nvim-treesitter")
+      treesitter.setup {}
+      treesitter.install({
+        "c", "lua", "vim", "vimdoc", "markdown",
+        "markdown_inline", "java", "bash", "css", "html", "luadoc",
+        "make", "zig"
+      }, {
+        force = false,
+        summary = false,
+      })
 
-        -- indentation
-        indent = {
-          enable = true,
-
-          disable = function(lang, _)
-            -- disable indenting in php (it's more broken with than without)
-            return table.contains(({
-              "php"
-            }), lang)
+      auto("FileType", {
+        callback = function(ev)
+          if highlight(ev.buf) then
+            pcall(vim.treesitter.start)
+            vim.bo[ev.buf].syntax = "ON"
           end
-        },
-
-        -- enable highlighting
-        highlight = {
-          enable = true,
-          -- use vim highlighting in addition to treesitter
-          additional_vim_regex_highlighting = true,
-
-          disable = function(lang, buf)
-            -- disable in some files where vim's builtin highlighting is better
-            if table.contains(({
-              "diff", "tex"
-            }), lang) then
-              return true
-            end
-
-            -- disable in big files
-            local ok, stats = pcall(vim.uv.fs_stat,
-            vim.api.nvim_buf_get_name(buf))
-            if ok and stats and stats.size > (1024 * 100 * 10) --[[1MB]] then
-              return true
-            end
+          if indent(ev.buf) then
+            vim.bo[ev.buf].indentexpr = "v:lua.require('nvim-treesitter').indentexpr()"
           end
-        }
-      }
+        end,
+      })
 
       core.misc.map("n", "<leader><leader>t", function()
-        pcall(vim.cmd.TSInstall, vim.api.nvim_get_option_value("ft", {
-          buf = vim.api.nvim_get_current_buf()
-        }))
+        treesitter.install { vim.bo[0].ft }
       end)
     end
   },
diff --git a/lua/conf/plugins/vimtex.lua b/lua/conf/plugins/vimtex.lua
new file mode 100644
index 0000000..660efda
--- /dev/null
+++ b/lua/conf/plugins/vimtex.lua
@@ -0,0 +1,5 @@
+return { "lervag/vimtex",
+  setup = function()
+    vim.g.vimtex_view_method = "zathura"
+  end
+}
diff --git a/lua/snippets/markdown.lua b/lua/snippets/markdown.lua
deleted file mode 100644
index 77edb4a..0000000
--- a/lua/snippets/markdown.lua
+++ /dev/null
@@ -1,11 +0,0 @@
-dofile(core.snippets)
-
-return {
-  s("[]", {
-    t("["),
-    i(1),
-    t("]("),
-    i(2),
-    t(")"),
-  }),
-}
diff --git a/lua/snippets/tex.lua b/lua/snippets/tex.lua
new file mode 100644
index 0000000..30999ea
--- /dev/null
+++ b/lua/snippets/tex.lua
@@ -0,0 +1,69 @@
+dofile(core.snippets)
+
+return {
+  -- document snippet
+  s("doc",
+    fmta(
+      [[
+      \documentclass{article}
+      \title{<>}
+      \author{<>}
+      \begin{document}
+      \maketitle
+      <>
+      \end{document}
+      ]],
+      {
+        c(1, {
+          sn(nil, { f(file_name, {}), i(1) }),
+          i(1, "my title")
+        }),
+        i(2, "my name"),
+        i(0)
+      }
+    )
+  ),
+
+  s({ trig = ";begin", snippetType = "autosnippet" },
+    fmta(
+      [[
+      \begin{<>}
+        <>
+      \end{<>}
+      ]],
+      {
+        i(1),
+        i(0),
+        rep(1)
+      }
+    )
+  ),
+
+  s({ trig = ";href", snippetType = "autosnippet" },
+    fmta(
+      [[\href{<>}{<>}]],
+      {
+        i(1, "url"),
+        i(2, "display name"),
+      }
+    )
+  ),
+
+  postfix(".b", {
+    f(function(_, parent)
+      return [[\textbf{]]..parent.snippet.env.POSTFIX_MATCH.."}"
+    end)
+  }),
+
+  postfix(".i", {
+    f(function(_, parent)
+      return [[\textit{]]..parent.snippet.env.POSTFIX_MATCH.."}"
+    end)
+  }),
+
+  postfix(".ul", {
+    f(function(_, parent)
+      return [[\underline{]]..parent.snippet.env.POSTFIX_MATCH.."}"
+    end)
+  })
+}
diff --git a/lua/snippets/typst.lua b/lua/snippets/typst.lua
deleted file mode 100644
index 6caa357..0000000
--- a/lua/snippets/typst.lua
+++ /dev/null
@@ -1,9 +0,0 @@
-dofile(core.snippets)
-
-return {
-  s("title", {
-    t("#set document(title: ["),
-    i(1, "theTitle"),
-    t({ "])", "#title()" }),
-  })
-}
diff --git a/lua/snippets/zig.lua b/lua/snippets/zig.lua
index d7e244f..c0bc681 100644
--- a/lua/snippets/zig.lua
+++ b/lua/snippets/zig.lua
@@ -7,18 +7,4 @@ return {
     f(file_name, {}),
     t(" = @This();"),
   }),
-
-  s("init", {
-    t("pub fn init() !*"),
-    f(file_name, {}),
-    t({ " {", "\tconst self = try gpa.create(" }),
-    f(file_name, {}),
-    t({ ");", "\tself.* = .{};", "\treturn self;", "}" }),
-  }),
-
-  s("deinit", {
-    t("pub fn deinit(self: *"),
-    f(file_name, {}),
-    t({ ") void {", "\tgpa.destroy(self);", "}" }),
-  }),
 }