diff --git a/AssociatedValues/AssociatedValues.playground/contents.xcplayground b/AssociatedValues/AssociatedValues.playground/contents.xcplayground
index 7e8369c..f761503 100644
--- a/AssociatedValues/AssociatedValues.playground/contents.xcplayground
+++ b/AssociatedValues/AssociatedValues.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='Raw Values'/>
@@ -8,4 +8,4 @@
         <page name='Extract with If'/>
         <page name='Enums within Enums'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Closures/Closures.playground/contents.xcplayground b/Closures/Closures.playground/contents.xcplayground
index 3596865..fb15237 100644
--- a/Closures/Closures.playground/contents.xcplayground
+++ b/Closures/Closures.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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-</playground>
\ No newline at end of file
+</playground>
diff --git a/Collections/Collections.playground/contents.xcplayground b/Collections/Collections.playground/contents.xcplayground
index 3596865..fb15237 100644
--- a/Collections/Collections.playground/contents.xcplayground
+++ b/Collections/Collections.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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\ No newline at end of file
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diff --git a/Collections/Exercises.playground/contents.xcplayground b/Collections/Exercises.playground/contents.xcplayground
index 90e9a0f..ef09766 100644
--- a/Collections/Exercises.playground/contents.xcplayground
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@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' requires-full-environment='true' display-mode='raw'>
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     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Collections/ExercisesSolutions.playground/contents.xcplayground b/Collections/ExercisesSolutions.playground/contents.xcplayground
index 7a08430..106ca18 100644
--- a/Collections/ExercisesSolutions.playground/contents.xcplayground
+++ b/Collections/ExercisesSolutions.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' auto-termination-delay='31' requires-full-environment='true' display-mode='raw'>
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     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/ControlFlow/ControlFlow.playground/contents.xcplayground b/ControlFlow/ControlFlow.playground/contents.xcplayground
index 3596865..fb15237 100644
--- a/ControlFlow/ControlFlow.playground/contents.xcplayground
+++ b/ControlFlow/ControlFlow.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' display-mode='raw'>
+<playground version='5.0' target-platform='ios' display-mode='rendered'>
     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/ControlFlow/Exercises.playground/contents.xcplayground b/ControlFlow/Exercises.playground/contents.xcplayground
index 3596865..fb15237 100644
--- a/ControlFlow/Exercises.playground/contents.xcplayground
+++ b/ControlFlow/Exercises.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' display-mode='raw'>
+<playground version='5.0' target-platform='ios' display-mode='rendered'>
     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/ControlFlow/ExercisesSolutions.playground/contents.xcplayground b/ControlFlow/ExercisesSolutions.playground/contents.xcplayground
index 076deff..c5789e2 100644
--- a/ControlFlow/ExercisesSolutions.playground/contents.xcplayground
+++ b/ControlFlow/ExercisesSolutions.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' display-mode='raw' last-migration='0800'>
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     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/EnumsStructs/Exercises.playground/contents.xcplayground b/EnumsStructs/Exercises.playground/contents.xcplayground
index 076deff..c5789e2 100644
--- a/EnumsStructs/Exercises.playground/contents.xcplayground
+++ b/EnumsStructs/Exercises.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/EnumsStructs/ExercisesSolutions.playground/contents.xcplayground b/EnumsStructs/ExercisesSolutions.playground/contents.xcplayground
index 076deff..c5789e2 100644
--- a/EnumsStructs/ExercisesSolutions.playground/contents.xcplayground
+++ b/EnumsStructs/ExercisesSolutions.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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+<playground version='5.0' target-platform='ios' display-mode='rendered' last-migration='0800'>
     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
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diff --git a/Errors/Errors.playground/contents.xcplayground b/Errors/Errors.playground/contents.xcplayground
index 9df9426..43d6493 100644
--- a/Errors/Errors.playground/contents.xcplayground
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@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='Handle Errors'/>
@@ -10,4 +10,4 @@
         <page name='Describe Custom Errors'/>
         <page name='Cleanup with Defer'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Errors/Exercises.playground/contents.xcplayground b/Errors/Exercises.playground/contents.xcplayground
index 9df9426..43d6493 100644
--- a/Errors/Exercises.playground/contents.xcplayground
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@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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         <page name='Intro'/>
         <page name='Handle Errors'/>
@@ -10,4 +10,4 @@
         <page name='Describe Custom Errors'/>
         <page name='Cleanup with Defer'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Errors/ExercisesSolutions.playground/contents.xcplayground b/Errors/ExercisesSolutions.playground/contents.xcplayground
index 9df9426..43d6493 100644
--- a/Errors/ExercisesSolutions.playground/contents.xcplayground
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@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='Handle Errors'/>
@@ -10,4 +10,4 @@
         <page name='Describe Custom Errors'/>
         <page name='Cleanup with Defer'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Functions/Functions.playground/contents.xcplayground b/Functions/Functions.playground/contents.xcplayground
index 3596865..fb15237 100644
--- a/Functions/Functions.playground/contents.xcplayground
+++ b/Functions/Functions.playground/contents.xcplayground
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='5.0' target-platform='ios' display-mode='raw'>
+<playground version='5.0' target-platform='ios' display-mode='rendered'>
     <timeline fileName='timeline.xctimeline'/>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Generics/Exercises.playground/contents.xcplayground b/Generics/Exercises.playground/contents.xcplayground
index beff9df..abce9f7 100644
--- a/Generics/Exercises.playground/contents.xcplayground
+++ b/Generics/Exercises.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='Arrays are Generic'/>
@@ -8,4 +8,4 @@
         <page name='Subclass a Generic Type'/>
         <page name='Multiple Generic Types'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Generics/ExercisesSolutions.playground/contents.xcplayground b/Generics/ExercisesSolutions.playground/contents.xcplayground
index beff9df..abce9f7 100644
--- a/Generics/ExercisesSolutions.playground/contents.xcplayground
+++ b/Generics/ExercisesSolutions.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='Arrays are Generic'/>
@@ -8,4 +8,4 @@
         <page name='Subclass a Generic Type'/>
         <page name='Multiple Generic Types'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Generics/Generics.playground/contents.xcplayground b/Generics/Generics.playground/contents.xcplayground
index beff9df..abce9f7 100644
--- a/Generics/Generics.playground/contents.xcplayground
+++ b/Generics/Generics.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
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         <page name='Arrays are Generic'/>
@@ -8,4 +8,4 @@
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         <page name='Multiple Generic Types'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Guards/Exercises.playground/contents.xcplayground b/Guards/Exercises.playground/contents.xcplayground
index 404fede..bfa92c3 100644
--- a/Guards/Exercises.playground/contents.xcplayground
+++ b/Guards/Exercises.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='raw'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Intro'/>
         <page name='The Guard Statement'/>
@@ -7,4 +7,4 @@
         <page name='Guard with Optionals'/>
         <page name='Guard Let Versus If Let'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Guards/ExercisesSolutions.playground/contents.xcplayground b/Guards/ExercisesSolutions.playground/contents.xcplayground
index 404fede..bfa92c3 100644
--- a/Guards/ExercisesSolutions.playground/contents.xcplayground
+++ b/Guards/ExercisesSolutions.playground/contents.xcplayground
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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     <pages>
         <page name='Intro'/>
         <page name='The Guard Statement'/>
@@ -7,4 +7,4 @@
         <page name='Guard with Optionals'/>
         <page name='Guard Let Versus If Let'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>
diff --git a/Guards/Guards.playground/contents.xcplayground b/Guards/Guards.playground/contents.xcplayground
index 404fede..bfa92c3 100644
--- a/Guards/Guards.playground/contents.xcplayground
+++ b/Guards/Guards.playground/contents.xcplayground
@@ -1,5 +1,5 @@
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         <page name='The Guard Statement'/>
@@ -7,4 +7,4 @@
         <page name='Guard with Optionals'/>
         <page name='Guard Let Versus If Let'/>
     </pages>
-</playground>
\ No newline at end of file
+</playground>