Backport #30932

Restore word-break: break-word on .text-break to fix text breaking on flex containers
twbs · Jun 4, 2020 · 288b9b8 · 288b9b8
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commit 288b9b8
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diff --git a/scss/utilities/_text.scss b/scss/utilities/_text.scss
@@ -63,7 +63,8 @@
 .text-decoration-none { text-decoration: none !important; }
 
 .text-break {
-  word-wrap: break-word !important;
+  word-break: break-word !important; // IE & < Edge 18
+  overflow-wrap: break-word !important;
 }
 
 // Reset

diff --git a/site/docs/4.5/utilities/text.md b/site/docs/4.5/utilities/text.md
@@ -68,7 +68,7 @@ For longer content, you can add a `.text-truncate` class to truncate the text wi
 
 ## Word break
 
-Prevent long strings of text from breaking your components' layout by using `.text-break` to set `word-wrap: break-word`.
+Prevent long strings of text from breaking your components' layout by using `.text-break` to set `word-wrap: break-word` and `word-break: break-word`. We use `word-wrap` instead of the more common `overflow-wrap` for wider browser support, and add the deprecated `word-break: break-word` to avoid issues with flex containers.
 
 {% capture example %}
 <p class="text-break">mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm</p>