diff --git a/runtime/doc/pack.txt b/runtime/doc/pack.txt
index a3b479c54e..29482354af 100644
--- a/runtime/doc/pack.txt
+++ b/runtime/doc/pack.txt
@@ -309,6 +309,7 @@ Each event populates the following |event-data| fields:
                     • String to use specific branch, tag, or commit hash.
                     • Output of |vim.version.range()| to install the
                       greatest/last semver tag inside the version constraint.
+      • {data}?     (`any`) Arbitrary data associated with a plugin.
 
 
 add({specs}, {opts})                                          *vim.pack.add()*
diff --git a/runtime/lua/vim/pack.lua b/runtime/lua/vim/pack.lua
index da4456d399..3b6d9c92ae 100644
--- a/runtime/lua/vim/pack.lua
+++ b/runtime/lua/vim/pack.lua
@@ -234,8 +234,10 @@ end
 --- - Output of |vim.version.range()| to install the greatest/last semver tag
 ---   inside the version constraint.
 --- @field version? string|vim.VersionRange
+---
+--- @field data? any Arbitrary data associated with a plugin.
 
---- @alias vim.pack.SpecResolved { src: string, name: string, version: nil|string|vim.VersionRange }
+--- @alias vim.pack.SpecResolved { src: string, name: string, version: nil|string|vim.VersionRange, data: any|nil }
 
 --- @param spec string|vim.pack.Spec
 --- @return vim.pack.SpecResolved
@@ -247,7 +249,7 @@ local function normalize_spec(spec)
   name = (type(name) == 'string' and name or ''):match('[^/]+$') or ''
   vim.validate('spec.name', name, is_nonempty_string, true, 'non-empty string')
   vim.validate('spec.version', spec.version, is_version, true, 'string or vim.VersionRange')
-  return { src = spec.src, name = name, version = spec.version }
+  return { src = spec.src, name = name, version = spec.version, data = spec.data }
 end
 
 --- @class (private) vim.pack.PlugInfo
diff --git a/test/functional/plugin/pack_spec.lua b/test/functional/plugin/pack_spec.lua
index 165afa1f49..6029e84f30 100644
--- a/test/functional/plugin/pack_spec.lua
+++ b/test/functional/plugin/pack_spec.lua
@@ -311,6 +311,34 @@ describe('vim.pack', function()
       eq(exec_lua('return #_G.event_log'), 0)
     end)
 
+    it('passes data field through to opts.load', function()
+      eq(
+        2,
+        exec_lua(function()
+          local successes = 0
+          vim.pack.add({
+            { name = 'tabletest', src = repos_src.basic, data = { test = 'value' } },
+            { name = 'stringtest', src = repos_src.basic, data = 'value' },
+          }, {
+            confirm = false,
+            load = function(p)
+              if p.spec.name == 'tabletest' then
+                if p.spec.data.test == 'value' then
+                  successes = successes + 1
+                end
+              end
+              if p.spec.name == 'stringtest' then
+                if p.spec.data == 'value' then
+                  successes = successes + 1
+                end
+              end
+            end,
+          })
+          return successes
+        end)
+      )
+    end)
+
     it('asks for installation confirmation', function()
       exec_lua(function()
         ---@diagnostic disable-next-line: duplicate-set-field
@@ -1179,6 +1207,23 @@ describe('vim.pack', function()
       }, exec_lua('return vim.pack.get()'))
     end)
 
+    it('respects data field', function()
+      eq(
+        true,
+        exec_lua(function()
+          vim.pack.add {
+            { src = repos_src.basic, data = { test = 'value' } },
+          }
+          for _, p in ipairs(vim.pack.get()) do
+            if p.spec.name == 'basic' and p.spec.data.test == 'value' then
+              return true
+            end
+          end
+          return false
+        end)
+      )
+    end)
+
     it('works with `del()`', function()
       exec_lua(function()
         vim.pack.add({ repos_src.defbranch, repos_src.basic })