known issue for go-discover issue (#846)

Known issue alert for auto-join failing on specific versions.

Author: JMGoldsmith

content/vault/global/partials/important-changes/summary-tables/1_19.mdx

@@ -29,6 +29,7 @@ Introduced | Recommendations | Edition    | Change
 Found  | Fixed  | Workaround | Edition    | Issue
 ------ |------- | ---------- | ---------- | -----
 1.19.0 | No     | **Yes**    | Enterprise | [Duplicate unseal/seal wrap HSM keys](/vault/docs/v1.19.x/updates/important-changes#hsm-keys)
+1.19.6 | No     | No.        | All.       | [AWS auto join fails on startup](/vault/docs/v1.20.x/updates/important-changes#aws-auto-join)
 1.19.0 | 1.19.3 | **Yes**    | All        | [Login/token renewal failures after group changes](/vault/docs/v1.19.x/updates/important-changes#group-writes)
 1.19.0 | 1.19.3 | Upgrade    | All        | [Unexpected DB static role rotations on upgrade](/vault/docs/v1.19.x/updates/important-changes#db-static-role-rotations)
 1.19.0 | 1.19.3 | Upgrade    | All        | [Unexpected LDAP static role rotations on upgrade](/vault/docs/v1.19.x/updates/important-changes#ldap-static-role-rotations)

content/vault/global/partials/important-changes/summary-tables/1_20.mdx

@@ -21,6 +21,7 @@ Introduced | Recommendations | Edition    | Change
 Found  | Fixed  | Workaround | Edition    | Issue
 ------ |--------| ---------- | ---------- | -----
 1.20.0 | No     | **Yes**    | Enterprise | [Duplicate unseal/seal wrap HSM keys](/vault/docs/v1.20.x/updates/important-changes#hsm-keys)
+1.20.0 | No     | No.        | All.       | [AWS auto join fails on startup](/vault/docs/v1.20.x/updates/important-changes#aws-auto-join)
 1.20.0 | 1.20.1 | **Yes**    | Enterprise | [Secondary cluster reload overwrites development cluster setting](/vault/docs/v1.20.x/updates/important-changes#development-cluster-reload)
 1.20.0 | 1.20.1 | **Yes**    | All        | [UI login fails for auth mounts with underscores and unauthenticated listing](/vault/docs/v1.20.x/updates/important-changes#ui-login-underscore)
 1.20.0 | 1.20.1 | **Yes**    | All        | [GUI navigation error for KV v2 secret paths containing underscores](/vault/docs/v1.20.x/updates/important-changes#ui-kvv2-underscore-secrets)

content/vault/v1.19.x/content/docs/updates/important-changes.mdx

@@ -309,6 +309,19 @@ Explicitly set the default endpoint and region when configuring sts:
 
 ## Known issues
 
+### AWS auto join fails on startup ((#aws-auto-join)).
+
+| Change      | Status | Affected version               | Fixed version
+| ----------- | ------ | ------------------------------ | --------------------
+| Known issue | Open   | 1.19.5 to 1.19.8, 1.20.x       | None
+
+After unsealing Vault and attempting to autojoin nodes to the cluster, if Dual Stack endpoints are not enabled in that region.
+
+#### Workaround
+
+Auto join will not work with this issue existing. If you need to rely on auto join for your nodes, do not upgrade. 
+
+
 ### Duplicate unseal/seal wrap HSM keys ((#hsm-keys)) <EnterpriseAlert inline="true" />
 
 | Change      | Status | Affected version               | Fixed version

content/vault/v1.20.x/content/docs/updates/important-changes.mdx

@@ -187,6 +187,18 @@ $ vault write auth/kubernetes/role/demo      \
 
 ## Known issues
 
+### AWS auto join fails on startup ((#aws-auto-join)).
+
+| Change      | Status | Affected version               | Fixed version
+| ----------- | ------ | ------------------------------ | --------------------
+| Known issue | Open   | 1.19.5 to 1.19.8, 1.20.x       | None
+
+After unsealing Vault and attempting to autojoin nodes to the cluster, if Dual Stack endpoints are not enabled in that region.
+
+#### Workaround
+
+Auto join will not work with this issue existing. If you need to rely on auto join for your nodes, do not upgrade. 
+
 ### Duplicate unseal/seal wrap HSM keys ((#hsm-keys)) <EnterpriseAlert inline="true" />
 
 | Change      | Status | Affected version                       | Fixed version