diff --git a/github-copilot/versions.json b/github-copilot/versions.json
index eb14056..6e6be40 100644
--- a/github-copilot/versions.json
+++ b/github-copilot/versions.json
@@ -1 +1 @@
-{"copilot.lua":"1.13.0"}
+{"copilot.lua":"1.384.0"}
diff --git a/nvim/lua/lspconfig/prolog_lsp.lua b/nvim/lua/lspconfig/prolog_lsp.lua
deleted file mode 100644
index e6134f8..0000000
--- a/nvim/lua/lspconfig/prolog_lsp.lua
+++ /dev/null
@@ -1,21 +0,0 @@
-local configs = require 'lspconfig.configs'
-local util = require 'lspconfig.util'
-
-configs.prolog_lsp = {
-  default_config = {
-    cmd = {"swipl",
-           "-g", "use_module(library(lsp_server)).",
-           "-g", "lsp_server:main",
-           "-t", "halt",
-           "--", "stdio"};
-    filetypes = {"prolog"};
-    root_dir = util.root_pattern("pack.pl");
-  };
-  docs = {
-     description = [[
-  https://github.com/jamesnvc/prolog_lsp
-
-  Prolog Language Server
-  ]];
-  }
-}
diff --git a/nvim/lua/olinpin/init.lua b/nvim/lua/olinpin/init.lua
index 81a3587..4f03350 100644
--- a/nvim/lua/olinpin/init.lua
+++ b/nvim/lua/olinpin/init.lua
@@ -5,7 +5,3 @@ require("olinpin.commands")
 
 -- this needs to be set after lazy
 vim.o.timeoutlen = 0
--- setup prolog
-require('lspconfig/prolog_lsp')
-require('lspconfig').prolog_lsp.setup{}
--- require('olinpin.intro').open()
diff --git a/nvim/lua/olinpin/plugins/conform.lua b/nvim/lua/olinpin/plugins/conform.lua
index 1d22884..c46ed73 100644
--- a/nvim/lua/olinpin/plugins/conform.lua
+++ b/nvim/lua/olinpin/plugins/conform.lua
@@ -1,40 +1,34 @@
 return {
 	"stevearc/conform.nvim",
-	event = "BufWritePre",
+	event = { "BufReadPre", "BufNewFile" },
 	opts = {
-		lsp_fallback = true,
-
 		formatters_by_ft = {
 			lua = { "stylua" },
-
 			javascript = { "prettier" },
+			typescript = { "prettier" },
+			json = { "prettier" },
 			css = { "prettier" },
 			html = { "prettier" },
-
 			sh = { "shfmt" },
-
 			go = { "goimports", "gofumpt" },
+			php = { "php-cs-fixer" },
+			python = { "black" },
 		},
 
-		-- format_on_save = function(bufnr)
-		-- 	local filetype = vim.bo[bufnr].filetype
-		-- 	if filetype == "javascript" then
-		-- 		return nil
-		-- 	end
-		-- 	if filetype == "vue" then
-		-- 		return nil
-		-- 	end
-		-- 	if filetype == "less" then
-		-- 		return nil
-		-- 	end
-		-- 	if filetype == "php" then
-		-- 		return nil
-		-- 	end
-		--
-		-- 	return {
-		-- 		timeout_ms = 500,
-		-- 		lsp_fallback = true,
-		-- 	}
-		-- end,
+		format_on_save = false,
+
+		default_format_opts = { lsp_fallback = true },
 	},
+
+	config = function(_, opts)
+		require("conform").setup(opts)
+
+		-- manual formatting keymap
+		vim.keymap.set({ "n", "x" }, "=", function()
+			require("conform").format({
+				async = true,
+				lsp_fallback = true,
+			})
+		end, { desc = "Format file or range" })
+	end,
 }
diff --git a/nvim/lua/olinpin/plugins/lsp.lua b/nvim/lua/olinpin/plugins/lsp.lua
deleted file mode 100644
index 63863f3..0000000
--- a/nvim/lua/olinpin/plugins/lsp.lua
+++ /dev/null
@@ -1,49 +0,0 @@
-return {
-    'VonHeikemen/lsp-zero.nvim',
-    branch = 'v2.x',
-    dependencies = {
-        -- LSP Support
-        {'neovim/nvim-lspconfig'},             -- Required
-        {'williamboman/mason.nvim'},           -- Optional
-        {'williamboman/mason-lspconfig.nvim'}, -- Optional
-
-        -- Autocompletion
-        {'hrsh7th/nvim-cmp'},     -- Required
-        {'hrsh7th/cmp-nvim-lsp'}, -- Required
-        {'L3MON4D3/LuaSnip'},     -- Required
-    },
-    config = function()
-        local lsp = require('lsp-zero')
-
-        lsp.preset('recommended')
-
-        lsp.on_attach(function(client, bufnr)
-            -- see :help lsp-zero-keybindings
-            -- to learn the available actions
-            lsp.default_keymaps({buffer = bufnr})
-        end)
-
-        lsp.setup_servers({'ts_ls', 'eslint', 'html', 'hls', 'gopls'})
-
-        -- require("lspconfig").html.setup({
-        --     filetypes = { "html", "htmldjango" },
-        --     init_options = {
-        --         configurationSection = { "html", "css", "javascript" },
-        --         embeddedLanguages = {
-        --             css = true,
-        --             javascript = true,
-        --         },
-        --         provideFormatter = true,
-        --     },
-        -- })
-
-        require('lspconfig').lua_ls.setup(lsp.nvim_lua_ls())
-        lsp.set_sign_icons({
-            error = '✘',
-            warn = '▲',
-            hint = '⚑',
-            info = '»'
-        })
-        lsp.setup()
-    end
-}
diff --git a/nvim/lua/olinpin/plugins/mason.lua b/nvim/lua/olinpin/plugins/mason.lua
index 946625b..b5dacf0 100644
--- a/nvim/lua/olinpin/plugins/mason.lua
+++ b/nvim/lua/olinpin/plugins/mason.lua
@@ -1,6 +1,145 @@
+-- Install LSP servers and 3rd-party tools
+-- source: https://github.com/ruicsh/nvim-config/blob/main/lua/plugins/mason.lua
+-- sauce: https://github.com/ruicsh/nvim-config/blob/main/lua/plugins/mason.lua
+-- https://github.com/williamboman/mason.nvim
+
+-- https://mason-registry.dev/registry/list
+local PACKAGES = {
+	-- LSP
+	"angular-language-server",
+	"ansible-language-server",
+	"css-lsp",
+	"cssmodules-language-server",
+	"css-variables-language-server",
+	"dockerfile-language-server",
+	"harper-ls",
+	"html-lsp",
+	"json-lsp",
+	"lua-language-server",
+	"pyright",
+	"typescript-language-server",
+	"yaml-language-server",
+	-- Format
+	"black",
+	"flake8",
+	"prettierd",
+	"stylua",
+	-- Lint
+	"eslint-lsp",
+	"pylint",
+    "jq",
+    "php-cs-fixer",
+    "intelephense",
+    "prettier",
+}
+
+local function install(pack, version)
+	local notifyOpts = { title = "Mason", icon = "", id = "mason.install" }
+
+	local msg = version and ("[%s] updating to %s…"):format(pack.name, version)
+		or ("[%s] installing…"):format(pack.name)
+	vim.defer_fn(function()
+		vim.notify(msg, nil, notifyOpts)
+	end, 0)
+
+	pack:once("install:success", function()
+		local msg2 = ("[%s] %s"):format(pack.name, version and "updated." or "installed.")
+		notifyOpts.icon = " "
+		vim.defer_fn(function()
+			vim.notify(msg2, nil, notifyOpts)
+		end, 0)
+	end)
+
+	pack:once("install:failed", function()
+		local error = "Failed to install [" .. pack.name .. "]"
+		vim.defer_fn(function()
+			vim.notify(error, vim.log.levels.ERROR, notifyOpts)
+		end, 0)
+	end)
+
+	pack:install({ version = version })
+end
+
+local function syncPackages(ensurePacks)
+	local masonReg = require("mason-registry")
+
+	local function refreshCallback()
+		-- Auto-install missing packages & auto-update installed ones
+		vim.iter(ensurePacks):each(function(packName)
+			-- Extract package name and pinned version if specified
+			local name, pinnedVersion = packName:match("([^@]+)@?(.*)")
+			if not masonReg.has_package(name) then
+				return
+			end
+			local pack = masonReg.get_package(name)
+			if pack:is_installed() then
+				-- Only check for updates if no version was pinned
+				if pinnedVersion == "" then
+					local latest_version = pack:get_latest_version()
+					-- Check if the latest version is different from the installed one
+					if latest_version and latest_version ~= pack:get_installed_version() then
+						local msg = ("[%s] updating to %s…"):format(pack.name, latest_version)
+						vim.defer_fn(function()
+							vim.notify(msg, nil, { title = "Mason", icon = "󰅗" })
+						end, 0)
+						-- Install the latest version
+						pack:install({ version = latest_version })
+					end
+				end
+			else
+				-- Install with pinned version if specified
+				install(pack, pinnedVersion ~= "" and pinnedVersion or nil)
+			end
+		end)
+
+		-- Auto-clean unused packages
+		local installedPackages = masonReg.get_installed_package_names()
+		vim.iter(installedPackages):each(function(packName)
+			-- Check if installed package is in our ensure list (without version suffix)
+			local isEnsured = vim.iter(ensurePacks):any(function(ensurePack)
+				local name = ensurePack:match("([^@]+)")
+				return name == packName
+			end)
+
+			if not isEnsured then
+				masonReg.get_package(packName):uninstall()
+				local msg = ("[%s] uninstalled."):format(packName)
+				vim.defer_fn(function()
+					vim.notify(msg, nil, { title = "Mason", icon = "󰅗" })
+				end, 0)
+			end
+		end)
+	end
+
+	masonReg.refresh(refreshCallback)
+end
+
 return {
 	"williamboman/mason.nvim",
-	config = function()
-		require("mason").setup()
-	end
+	init = function()
+		-- Do not crowd home directory with NPM cache folder
+		vim.env.npm_config_cache = vim.env.HOME .. "/.cache/npm"
+	end,
+	opts = {
+		ui = {
+			border = "rounded",
+			height = 0.85,
+			width = 0.8,
+		},
+	},
+	config = function(_, opts)
+		require("mason").setup(opts)
+
+		-- Filter out disabled packages
+		local packages = {}
+		for _, package in ipairs(PACKAGES) do
+			table.insert(packages, package)
+		end
+
+		vim.defer_fn(function()
+			syncPackages(packages)
+		end, 3000)
+	end,
+
+	event = { "VeryLazy" },
 }
diff --git a/nvim/lua/olinpin/plugins/null-ls.lua b/nvim/lua/olinpin/plugins/null-ls.lua
deleted file mode 100644
index a610211..0000000
--- a/nvim/lua/olinpin/plugins/null-ls.lua
+++ /dev/null
@@ -1,33 +0,0 @@
-return {
-    "jay-babu/mason-null-ls.nvim",
-    event = { "BufReadPre", "BufNewFile" },
-    dependencies = {
-        "williamboman/mason.nvim",
-        "jose-elias-alvarez/null-ls.nvim",
-    },
-    config = function ()
-
-        require("mason-null-ls").setup({
-            ensure_installed = {
-                "stylua",
-                "jq",
-                "php-cs-fixer",
-                "intelephense",
-                "black",
-                "prettier",
-            }
-        })
-
-        local null_ls = require("null-ls")
-        local format = null_ls.builtins.formatting
-
-        null_ls.setup({
-            sources = {
-                format.black,
-                format.stylua,
-                format.prettier
-            }
-        })
-        vim.keymap.set({"n", "x"}, "=", function() vim.cmd('LspZeroFormat') end, { desc = "Format" })
-    end
-}
diff --git a/nvim/lua/olinpin/plugins/treesitter.lua b/nvim/lua/olinpin/plugins/treesitter.lua
index 8f39fdd..008f9f3 100644
--- a/nvim/lua/olinpin/plugins/treesitter.lua
+++ b/nvim/lua/olinpin/plugins/treesitter.lua
@@ -45,13 +45,6 @@ return {
 				additional_vim_regex_highlighting = {"markdown"}
 			},
         }
-        require'lspconfig'.sourcekit.setup{
-            cmd = {'/usr/bin/sourcekit-lsp'}
-        }
-        require('lspconfig')['hls'].setup{
-            filetypes = { 'haskell', 'lhaskell', 'cabal' },
-        }
-
         -- vim.keymap.set('n','gd',vim.lsp.buf.definition)
     end