digest: Don't update context with data already in common context.

templates/zerver/emails/digest.source.html

@@ -1,7 +1,7 @@
 {% extends "zerver/emails/email_base_messages.html" %}
 
 {% block content %}
-    <p>Hello {{ name }},</p>
+    <p>Hello {{ user_name }},</p>
 
     <p>A lot has happened on Zulip while you've been away! <a href="{{ realm_uri }}">Visit Zulip</a> to catch up.</p>
 

templates/zerver/emails/digest.txt

@@ -1,4 +1,4 @@
-Hello {{ name }},
+Hello {{ user_name }},
 
 A lot has happened on Zulip while you've been away! Visit
 {{ realm_uri }} to catch up.

version.py

@@ -11,4 +11,4 @@ LATEST_RELEASE_ANNOUNCEMENT = "https://blog.zulip.org/2019/03/01/zulip-2-0-relea
 # Typically, adding a dependency only requires a minor version bump, and
 # removing a dependency requires a major version bump.
 
-PROVISION_VERSION = '28.8'
+PROVISION_VERSION = '28.9'

zerver/lib/digest.py

@@ -213,8 +213,6 @@ def handle_digest_email(user_profile_id: int, cutoff: float,
 
     # Start building email template data.
     context.update({
-        'realm_name': user_profile.realm.name,
-        'name': user_profile.full_name,
         'unsubscribe_link': one_click_unsubscribe_link(user_profile, "digest")
     })