diff -r c357c4e69b9e -r aa22103809cd src/main/resources/localization/strings.properties
--- a/src/main/resources/localization/strings.properties	Fri Dec 30 13:21:09 2022 +0100
+++ b/src/main/resources/localization/strings.properties	Fri Dec 30 19:04:34 2022 +0100
@@ -24,6 +24,7 @@
 app.changelog=Changelog
 app.license.title=License
 app.name=Lightweight Project and Issue Tracking
+button.add=Add
 button.back=Back
 button.cancel=Cancel
 button.comment.edit=Edit Comment
@@ -38,6 +39,7 @@
 button.okay=OK
 button.project.create=New Project
 button.project.edit=Edit Project
+button.remove=Remove
 button.user.create=Add Developer
 button.version.create=New Version
 button.version.edit=Edit Version
@@ -83,6 +85,24 @@
 issue.description=Description
 issue.eta=ETA
 issue.id=Issue ID
+issue.relations=Relations
+issue.relations.issue=Issue
+issue.relations.target.invalid=Target issue cannot be linked.
+issue.relations.type=Type
+issue.relations.type.RelatesTo=relates to
+issue.relations.type.RelatesTo.rev=relates to
+issue.relations.type.TogetherWith=resolve together with
+issue.relations.type.TogetherWith.rev=resolve together with
+issue.relations.type.Before=resolve before
+issue.relations.type.Before.rev=resolve after
+issue.relations.type.SubtaskOf=subtask of
+issue.relations.type.SubtaskOf.rev=subtask
+issue.relations.type.Blocks=blocks
+issue.relations.type.Blocks.rev=blocked by
+issue.relations.type.Tests=tests
+issue.relations.type.Tests.rev=tested by
+issue.relations.type.Duplicates=duplicates
+issue.relations.type.Duplicates.rev=duplicated by
 issue.resolved-versions=Target
 issue.status.Done=Done
 issue.status.Duplicate=Duplicate