diff --git a/CHANGES.rst b/CHANGES.rst
index 98530b8442..66ac49595f 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,11 +4,13 @@
 New Features
 ------------
 
-- Adding flux/surface brightness translation and surface brightness
+- Added flux/surface brightness translation and surface brightness
   unit conversion in Cubeviz and Specviz. [#2781]
 
 - Plugin tray is now open by default. [#2892]
 
+- New "About" plugin to show Jdaviz version info. [#2886]
+
 Cubeviz
 ^^^^^^^
 
diff --git a/docs/reference/api_plugins.rst b/docs/reference/api_plugins.rst
index c7ee208e22..185b1a652a 100644
--- a/docs/reference/api_plugins.rst
+++ b/docs/reference/api_plugins.rst
@@ -3,6 +3,9 @@
 Plugins API
 ===========
 
+.. automodapi:: jdaviz.configs.default.plugins.about.about
+   :no-inheritance-diagram:
+
 .. automodapi:: jdaviz.configs.default.plugins.collapse.collapse
    :no-inheritance-diagram:
 
diff --git a/jdaviz/configs/cubeviz/cubeviz.yaml b/jdaviz/configs/cubeviz/cubeviz.yaml
index f5da2d27a9..038df00431 100644
--- a/jdaviz/configs/cubeviz/cubeviz.yaml
+++ b/jdaviz/configs/cubeviz/cubeviz.yaml
@@ -34,6 +34,7 @@ tray:
   - cubeviz-moment-maps
   - imviz-aper-phot-simple
   - export
+  - about
 viewer_area:
   - container: col
     children:
diff --git a/jdaviz/configs/default/default.yaml b/jdaviz/configs/default/default.yaml
index ebf9e8449f..1c46ad2dc4 100644
--- a/jdaviz/configs/default/default.yaml
+++ b/jdaviz/configs/default/default.yaml
@@ -15,4 +15,5 @@ toolbar:
 tray:
   - g-subset-plugin
   - g-gaussian-smooth
-  - export
\ No newline at end of file
+  - export
+  - about
diff --git a/jdaviz/configs/default/plugins/__init__.py b/jdaviz/configs/default/plugins/__init__.py
index a79315363a..a23c5b3cdc 100644
--- a/jdaviz/configs/default/plugins/__init__.py
+++ b/jdaviz/configs/default/plugins/__init__.py
@@ -12,3 +12,4 @@
 from .plot_options.plot_options import *  # noqa
 from .markers.markers import * # noqa
 from .data_quality.data_quality import *  # noqa
+from .about.about import *  # noqa
diff --git a/jdaviz/configs/default/plugins/about/__init__.py b/jdaviz/configs/default/plugins/about/__init__.py
new file mode 100644
index 0000000000..53e66bf928
--- /dev/null
+++ b/jdaviz/configs/default/plugins/about/__init__.py
@@ -0,0 +1 @@
+from .about import *  # noqa
diff --git a/jdaviz/configs/default/plugins/about/about.py b/jdaviz/configs/default/plugins/about/about.py
new file mode 100644
index 0000000000..6c9f0a8675
--- /dev/null
+++ b/jdaviz/configs/default/plugins/about/about.py
@@ -0,0 +1,56 @@
+import json
+
+import requests
+from packaging.version import Version
+from traitlets import Bool, Unicode
+
+from jdaviz.core.registries import tray_registry
+from jdaviz.core.template_mixin import PluginTemplateMixin
+
+try:
+    from jdaviz import __version__
+except ImportError:  # pragma: no cover
+    __version__ = "unknown"
+
+__all__ = ['About']
+
+
+@tray_registry('about', label="About")
+class About(PluginTemplateMixin):
+    """Show information about Jdaviz."""
+    template_file = __file__, "about.vue"
+
+    jdaviz_version = Unicode("unknown").tag(sync=True)
+    jdaviz_pypi = Unicode("unknown").tag(sync=True)
+    not_is_latest = Bool(False).tag(sync=True)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.jdaviz_version = __version__
+
+        if __version__ != "unknown":
+            _ver_pypi = latest_version_from_pypi("jdaviz")
+            if _ver_pypi:
+                self.jdaviz_pypi = _ver_pypi
+                self.not_is_latest = Version(__version__) < Version(_ver_pypi)
+            else:  # pragma: no cover
+                self.jdaviz_pypi = "unknown"
+                self.not_is_latest = False
+
+
+def latest_version_from_pypi(package_name):
+    """Version info for given package or `None`."""
+    url = f"https://pypi.org/pypi/{package_name}/json"
+    try:
+        r = requests.get(url, timeout=60)
+    except Exception:  # nosec # pragma: no cover
+        pass
+    else:
+        if r.ok:
+            try:
+                d = json.loads(r.text)
+                v = d["info"]["version"]
+            except Exception:  # nosec # pragma: no cover
+                pass
+            else:
+                return v
diff --git a/jdaviz/configs/default/plugins/about/about.vue b/jdaviz/configs/default/plugins/about/about.vue
new file mode 100644
index 0000000000..c5b477f140
--- /dev/null
+++ b/jdaviz/configs/default/plugins/about/about.vue
@@ -0,0 +1,42 @@
+<template>
+  <j-tray-plugin
+    :description="docs_description || 'About Jdaviz.'"
+    :link="docs_link || 'https://jdaviz.readthedocs.io/en/'+vdocs+'/'"
+    :popout_button="popout_button"
+    :scroll_to.sync="scroll_to">
+
+    <v-row>
+      <v-text-field class="v-messages v-messages__message text--secondary"
+        v-model="jdaviz_version"
+        label="Version"
+        hint="Version of installed Jdaviz."
+        readonly>
+      </v-text-field>
+    </v-row>
+
+    <v-row v-if="not_is_latest">
+      <span class="v-messages v-messages__message text--secondary" style="color: red !important">
+        A newer version ({{ jdaviz_pypi }}) is available from PyPI.
+      </span>
+      <j-docs-link link="https://pypi.org/project/jdaviz/" linktext="Go to PyPI">
+        Please update Jdaviz and restart your session.
+      </j-docs-link>
+
+    </v-row>
+
+    <v-row>
+      <j-docs-link link="https://github.com/spacetelescope/jdaviz/blob/main/CHANGES.rst" linktext="Change Log">
+        To see list of changes, go to your version section in the
+
+      </j-docs-link>
+    </v-row>
+
+    <v-row>
+      <j-docs-link link="https://jwsthelp.stsci.edu" linktext="JWST Help Desk">
+        For further assistance, please contact the
+
+      </j-docs-link>
+    </v-row>
+
+  </j-tray-plugin>
+</template>
diff --git a/jdaviz/configs/default/plugins/about/tests/__init__.py b/jdaviz/configs/default/plugins/about/tests/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/jdaviz/configs/default/plugins/about/tests/test_about_plugin.py b/jdaviz/configs/default/plugins/about/tests/test_about_plugin.py
new file mode 100644
index 0000000000..5a10d25ade
--- /dev/null
+++ b/jdaviz/configs/default/plugins/about/tests/test_about_plugin.py
@@ -0,0 +1,30 @@
+import pytest
+
+from jdaviz import __version__
+from jdaviz.configs.default.plugins.about.about import latest_version_from_pypi
+
+
+@pytest.mark.remote_data
+def test_get_latest_version_from_pypi():
+    # Since the latest version will change over time,
+    # we can only check that something is returned but not what exactly.
+
+    v = latest_version_from_pypi("jdaviz")
+    assert isinstance(v, str)
+
+    v = latest_version_from_pypi("fakespacetelescopepackage")
+    assert v is None
+
+
+# NOTE: Theoretically now all the tests in jdaviz are remote data tests
+# because all the viz loads About plugin and About plugin always polls
+# PyPI for the latest release version. If that bothers you or PyPI
+# starts blocking us as spammer, we can consider caching it at package level
+# but that introduces new non-standard package attributes.
+def test_about_basic(specviz_helper):
+    plg = specviz_helper.plugins["About"]._obj
+
+    assert plg.jdaviz_version == __version__
+    assert isinstance(plg.jdaviz_pypi, str)
+    # not_is_latest can be non-deterministic because user can be running
+    # this test from an older version going forward, so we skip checking it.
diff --git a/jdaviz/configs/imviz/imviz.yaml b/jdaviz/configs/imviz/imviz.yaml
index dd5ded7d00..9f0c49732a 100644
--- a/jdaviz/configs/imviz/imviz.yaml
+++ b/jdaviz/configs/imviz/imviz.yaml
@@ -31,6 +31,7 @@ tray:
   - imviz-catalogs
   - imviz-footprints
   - export
+  - about
 viewer_area:
   - container: col
     children:
diff --git a/jdaviz/configs/mosviz/mosviz.yaml b/jdaviz/configs/mosviz/mosviz.yaml
index 6f4f877912..220e6d2cc0 100644
--- a/jdaviz/configs/mosviz/mosviz.yaml
+++ b/jdaviz/configs/mosviz/mosviz.yaml
@@ -26,6 +26,7 @@ tray:
   - g-line-list
   - specviz-line-analysis
   - export
+  - about
 viewer_area:
   - container: col
     children:
diff --git a/jdaviz/configs/specviz/specviz.yaml b/jdaviz/configs/specviz/specviz.yaml
index 92442c07f8..4eff5edf94 100644
--- a/jdaviz/configs/specviz/specviz.yaml
+++ b/jdaviz/configs/specviz/specviz.yaml
@@ -27,6 +27,7 @@ tray:
   - g-line-list
   - specviz-line-analysis
   - export
+  - about
 viewer_area:
   - container: col
     children:
diff --git a/jdaviz/configs/specviz2d/specviz2d.yaml b/jdaviz/configs/specviz2d/specviz2d.yaml
index e1c0206435..ec7b36c212 100644
--- a/jdaviz/configs/specviz2d/specviz2d.yaml
+++ b/jdaviz/configs/specviz2d/specviz2d.yaml
@@ -25,6 +25,7 @@ tray:
   - g-line-list
   - specviz-line-analysis
   - export
+  - about
 viewer_area:
   - container: col
     children:
diff --git a/pyproject.toml b/pyproject.toml
index 3647ced0e4..a3744e4301 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ dependencies = [
     "sidecar>=0.5.2",
     "ipypopout>=0.0.11",
     "astroquery",
+    "requests",
 ]
 dynamic = [
     "version",