Describe difference between size and bbox

Author: radarhere

docs/deprecations.rst

@@ -252,6 +252,10 @@ Use instead::
     left, top, right, bottom = draw.multiline_textbbox((0, 0), "Hello\nworld", font)
     width, height = right - left, bottom - top
 
+Previously, the ``size`` methods returned a ``height`` that included the vertical
+offset of the text, while the new ``bbox`` methods explicitly distinguish this as a
+``top`` offset.
+
 FreeTypeFont.getmask2 fill parameter
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

docs/releasenotes/9.2.0.rst

@@ -89,6 +89,10 @@ Use instead::
     left, top, right, bottom = draw.multiline_textbbox((0, 0), "Hello\nworld", font)
     width, height = right - left, bottom - top
 
+Previously, the ``size`` methods returned a ``height`` that included the vertical
+offset of the text, while the new ``bbox`` methods explicitly distinguish this as a
+``top`` offset.
+
 API Additions
 =============