diff --git a/lua/custom/plugins/copilot.lua b/lua/custom/plugins/copilot.lua
deleted file mode 100644
index 0c4d482c..00000000
--- a/lua/custom/plugins/copilot.lua
+++ /dev/null
@@ -1,12 +0,0 @@
-return {
-  'zbirenbaum/copilot.lua',
-  config = function()
-    require('copilot').setup {}
-    vim.api.nvim_create_autocmd('User', {
-      pattern = 'BlinkCmpMenuOpen',
-      callback = function()
-        vim.b.copilot_suggestion_hidden = true
-      end,
-    })
-  end,
-}
diff --git a/lua/custom/plugins/init.lua b/lua/custom/plugins/init.lua
index e386b73c..d04f2891 100644
--- a/lua/custom/plugins/init.lua
+++ b/lua/custom/plugins/init.lua
@@ -43,4 +43,17 @@ end, { desc = 'Copy filename' })
 
 require('guess-indent').setup {}
 
+local lspconfig = require 'lspconfig'
+lspconfig.ruby_lsp.setup {
+  init_options = {
+    formatter = 'standard',
+    linters = { 'standard' },
+    addonSettings = {
+      ['Ruby LSP Rails}'] = {
+        enablePendingMigrtationsPrompt = false,
+      },
+    },
+  },
+}
+
 return {}
diff --git a/lua/custom/plugins/rustaceanvim.lua b/lua/custom/plugins/rustaceanvim.lua
index 46c4c82f..eb83332c 100644
--- a/lua/custom/plugins/rustaceanvim.lua
+++ b/lua/custom/plugins/rustaceanvim.lua
@@ -1,5 +1,5 @@
 return {
   'mrcjkb/rustaceanvim',
-  version = '^5', -- Recommended
+  version = '^6', -- Recommended
   lazy = false, -- This plugin is already lazy
 }
diff --git a/lua/custom/plugins/trouble.lua b/lua/custom/plugins/trouble.lua
new file mode 100644
index 00000000..d0578c9f
--- /dev/null
+++ b/lua/custom/plugins/trouble.lua
@@ -0,0 +1,37 @@
+return {
+  'folke/trouble.nvim',
+  opts = {}, -- for default options, refer to the configuration section for custom setup.
+  cmd = 'Trouble',
+  keys = {
+    {
+      '<leader>xx',
+      '<cmd>Trouble diagnostics toggle<cr>',
+      desc = 'Diagnostics (Trouble)',
+    },
+    {
+      '<leader>xX',
+      '<cmd>Trouble diagnostics toggle filter.buf=0<cr>',
+      desc = 'Buffer Diagnostics (Trouble)',
+    },
+    {
+      '<leader>cs',
+      '<cmd>Trouble symbols toggle focus=false<cr>',
+      desc = 'Symbols (Trouble)',
+    },
+    {
+      '<leader>cl',
+      '<cmd>Trouble lsp toggle focus=false win.position=right<cr>',
+      desc = 'LSP Definitions / references / ... (Trouble)',
+    },
+    {
+      '<leader>xL',
+      '<cmd>Trouble loclist toggle<cr>',
+      desc = 'Location List (Trouble)',
+    },
+    {
+      '<leader>xQ',
+      '<cmd>Trouble qflist toggle<cr>',
+      desc = 'Quickfix List (Trouble)',
+    },
+  },
+}
diff --git a/lua/custom/plugins/ufo.lua b/lua/custom/plugins/ufo.lua
new file mode 100644
index 00000000..f9e36830
--- /dev/null
+++ b/lua/custom/plugins/ufo.lua
@@ -0,0 +1,26 @@
+return {
+  'kevinhwang91/nvim-ufo',
+  config = function()
+    vim.o.foldcolumn = '1' -- '0' is not bad
+    vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
+    vim.o.foldlevelstart = 99
+    vim.o.foldenable = true
+
+    vim.o.fillchars = 'eob: ,fold: ,foldopen:,foldsep: ,foldclose:'
+    local capabilities = vim.lsp.protocol.make_client_capabilities()
+    capabilities.textDocument.foldingRange = {
+      dynamicRegistration = false,
+      lineFoldingOnly = true,
+    }
+    local language_servers = vim.lsp.get_clients() -- or list servers manually like {'gopls', 'clangd'}
+    for _, ls in ipairs(language_servers) do
+      require('lspconfig')[ls].setup {
+        capabilities = capabilities,
+        -- you can add other fields for setting up lsp server in this table
+      }
+    end
+    require('ufo').setup {}
+  end,
+
+  dependencies = { 'kevinhwang91/promise-async' },
+}