diff --git a/exercises/practice/anagram/.meta/tests.toml b/exercises/practice/anagram/.meta/tests.toml
index 4f43811d..a6387523 100644
--- a/exercises/practice/anagram/.meta/tests.toml
+++ b/exercises/practice/anagram/.meta/tests.toml
@@ -78,3 +78,13 @@ include = false
 [33d3f67e-fbb9-49d3-a90e-0beb00861da7]
 description = "words other than themselves can be anagrams"
 reimplements = "a0705568-628c-4b55-9798-82e4acde51ca"
+
+[a6854f66-eec1-4afd-a137-62ef2870c051]
+description = "handles case of greek letters"
+include = false
+comment = "bash won't handle unicode properly"
+
+[fd3509e5-e3ba-409d-ac3d-a9ac84d13296]
+description = "different characters may have the same bytes"
+include = false
+comment = "bash won't handle unicode properly"
diff --git a/exercises/practice/meetup/.meta/config.json b/exercises/practice/meetup/.meta/config.json
index 69d85879..837890d6 100644
--- a/exercises/practice/meetup/.meta/config.json
+++ b/exercises/practice/meetup/.meta/config.json
@@ -18,6 +18,5 @@
     ]
   },
   "blurb": "Calculate the date of meetups.",
-  "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month",
-  "source_url": "http://www.copiousfreetime.org/"
+  "source": "Jeremy Hinegardner mentioned a Boulder meetup that happens on the Wednesteenth of every month"
 }
diff --git a/exercises/practice/raindrops/.meta/config.json b/exercises/practice/raindrops/.meta/config.json
index 08531c13..9ee42120 100644
--- a/exercises/practice/raindrops/.meta/config.json
+++ b/exercises/practice/raindrops/.meta/config.json
@@ -26,7 +26,7 @@
       ".meta/example.sh"
     ]
   },
-  "blurb": "Convert a number to a string, the content of which depends on the number's factors.",
+  "blurb": "Convert a number into its corresponding raindrop sounds - Pling, Plang and Plong.",
   "source": "A variation on FizzBuzz, a famous technical interview question that is intended to weed out potential candidates. That question is itself derived from Fizz Buzz, a popular children's game for teaching division.",
   "source_url": "https://en.wikipedia.org/wiki/Fizz_buzz"
 }
diff --git a/exercises/practice/reverse-string/.meta/tests.toml b/exercises/practice/reverse-string/.meta/tests.toml
index 2113a533..4dcc4eb3 100644
--- a/exercises/practice/reverse-string/.meta/tests.toml
+++ b/exercises/practice/reverse-string/.meta/tests.toml
@@ -1,6 +1,13 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [c3b7d806-dced-49ee-8543-933fd1719b1c]
 description = "an empty string"
@@ -19,3 +26,18 @@ description = "a palindrome"
 
 [b9e7dec1-c6df-40bd-9fa3-cd7ded010c4c]
 description = "an even-sized word"
+
+[1bed0f8a-13b0-4bd3-9d59-3d0593326fa2]
+description = "wide characters"
+include = false
+comment = "bash won't handle unicode properly"
+
+[93d7e1b8-f60f-4f3c-9559-4056e10d2ead]
+description = "grapheme cluster with pre-combined form"
+include = false
+comment = "bash won't handle unicode properly"
+
+[1028b2c1-6763-4459-8540-2da47ca512d9]
+description = "grapheme clusters"
+include = false
+comment = "bash won't handle unicode properly"