also added dev.paths option

lua/lazy/core/config.lua

@@ -32,6 +32,7 @@ M.defaults = {
   dev = {
     -- directory where you store your local plugin projects
     path = "~/projects",
+    extra_paths = nil,
     ---@type string[] plugins that match these patterns will use your local versions instead of being fetched from GitHub
     patterns = {}, -- For example {"folke"}
     fallback = false, -- Fallback to git when local plugin doesn't exist

lua/lazy/core/plugin.lua

@@ -106,11 +106,31 @@ function Spec:add(plugin, results)
   end
 
   -- dev plugins
+  local devPath = nil
+
+  -- check dev.path, and if not check dev.extra_paths
+  -- if not found, devPath will remain nil
+  if plugin.dev then
+    if vim.fn.isdirectory(Config.options.dev.path .. "/" .. plugin.name) == 1 then
+      devPath = Config.options.dev.path .. "/" .. plugin.name
+    elseif Config.options.dev.extra_paths
+        and type(Config.options.dev.extra_paths) == 'table'
+      then
+      for _, path in ipairs(Config.options.dev.extra_paths) do
+        if vim.fn.isdirectory(path .. "/" .. plugin.name) == 1 then
+          path = devPath
+          break
+        end
+      end
+    end
+  end
+
+  -- if dev, add dev path as plugin dir, otherwise use root
   if
     plugin.dev
-    and (not Config.options.dev.fallback or vim.fn.isdirectory(Config.options.dev.path .. "/" .. plugin.name) == 1)
+    and (not Config.options.dev.fallback or devPath)
   then
-    dir = Config.options.dev.path .. "/" .. plugin.name
+    dir = devPath
   elseif plugin.dev == false then
     -- explicitely select the default path
     dir = Config.options.root .. "/" .. plugin.name