From 7d51aa7de7803cc16463fd57bbbc347bb4b1dbd0 Mon Sep 17 00:00:00 2001
From: Miro Yovchev <2827783+myovchev@users.noreply.github.com>
Date: Mon, 28 Sep 2026 18:45:43 +0300
Subject: [PATCH] No tabs when not versions; better first version message

---
 .../ui/apos/components/AposDocVersions.vue            |  2 --
 .../ui/apos/components/AposDocVersionsChanges.vue     |  8 ++++----
 .../ui/apos/composables/useDocVersionTabs.js          | 11 +++++------
 .../modules/@apostrophecms/i18n/i18n/en.json          |  2 +-
 4 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersions.vue b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersions.vue
index f34c03a4c2..de64fa601e 100644
--- a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersions.vue
+++ b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersions.vue
@@ -480,8 +480,6 @@ onMounted(async () => {
   }
   if (versions.value.length) {
     selectVersion(versions.value[0]);
-  } else {
-    evaluateConditions(props.doc);
   }
 });
 
diff --git a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersionsChanges.vue b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersionsChanges.vue
index 0fd5999b89..b22b8aec46 100644
--- a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersionsChanges.vue
+++ b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/components/AposDocVersionsChanges.vue
@@ -299,16 +299,16 @@ function matches(row) {
   return changeGroups.matchesFilter(row, filter.value);
 }
 
-// What an empty list says: a restore and a first version are baselines,
-// while a version compared with the one before it and left with nothing
-// ended where that one did
+// What an empty list says: a restore is a baseline, a first version has
+// nothing before it, and a version compared with the one before it and left
+// with nothing ended where that one did
 const emptyMessage = computed(() => {
   if (props.version?.restoredFrom) {
     return 'apostrophe:versionRestoredBaseline';
   }
   return props.compared
     ? 'apostrophe:versionUnchanged'
-    : 'apostrophe:versionNoChanges';
+    : 'apostrophe:versionFirst';
 });
 
 const shownRows = computed(() => props.rows.filter(matches));
diff --git a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/composables/useDocVersionTabs.js b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/composables/useDocVersionTabs.js
index ae8f3e22b5..646b2443a1 100644
--- a/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/composables/useDocVersionTabs.js
+++ b/packages/apostrophe/modules/@apostrophecms/document-versions/ui/apos/composables/useDocVersionTabs.js
@@ -12,7 +12,7 @@ import {
  * The tabs of the versions modal: the read-only schema of the document's
  * type, grouped as the document editor groups it, with the conditional
  * fields evaluated against the version shown. A tab none of whose fields
- * renders is not visible.
+ * renders is not visible, and there are no tabs until a version is shown.
  *
  * @param {object} options
  * @param {import('vue').Ref<object>} options.moduleOptions
@@ -22,7 +22,7 @@ import {
  * @param {object} options.doc
  *   The document the modal opened for
  * @param {import('vue').Ref<{ data: object }>} options.docFields
- *   The version shown
+ *   The version shown, `data` empty until one is
  */
 export function useDocVersionTabs({
   moduleOptions, unsupported, doc, docFields
@@ -51,11 +51,10 @@ export function useDocVersionTabs({
     );
   }
 
-  // With no version to show, the tabs follow the live document
-  function evaluateConditions(data = docFields.value.data) {
+  function evaluateConditions() {
     conditionalFields.value = getConditionalFields(
       schema.value,
-      data,
+      docFields.value.data,
       externalConditionsResults.value
     );
   }
@@ -93,7 +92,7 @@ export function useDocVersionTabs({
   }
 
   const versionTabs = computed(() => {
-    if (unsupported.value) {
+    if (unsupported.value || !docFields.value.data.type) {
       return [];
     }
     const tabs = Object.entries(groups.value)
diff --git a/packages/apostrophe/modules/@apostrophecms/i18n/i18n/en.json b/packages/apostrophe/modules/@apostrophecms/i18n/i18n/en.json
index 6d1fde94c3..10ab48eeb3 100644
--- a/packages/apostrophe/modules/@apostrophecms/i18n/i18n/en.json
+++ b/packages/apostrophe/modules/@apostrophecms/i18n/i18n/en.json
@@ -796,6 +796,7 @@
   "versionFailDocPermsMessage": "Insufficient permissions.",
   "versionFailVersionLoadMessage": "Failed to load the requested Document Version.",
   "versionFailVersionRestoreMessage": "Unable to restore the requested Document Version.",
+  "versionFirst": "This is the first recorded version. There is no earlier version to compare it with.",
   "versionFilterChanges": "Filter changes",
   "versionFilterShowing": "Filter changes, showing {{ count }} edit",
   "versionFilterShowing_plural": "Filter changes, showing {{ count }} edits",
@@ -826,7 +827,6 @@
   "versionNavPosition": "{{ current }} of {{ total }}",
   "versionNavPrevious": "Previous",
   "versionNavShow": "Show in the document",
-  "versionNoChanges": "No changes recorded for this version.",
   "versionNoChangesMatch": "No changes match these filters.",
   "versionOpensNewTab": "Opens in a new tab",
   "versionOrderChanged": "Order changed",