Bloat in new email editor (cut off in gmail)
I created two versions of the same email:
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One using the old editor, built from my own custom template with HTML compiled from MJML
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One using the new WYSIWYG Email Designer
The version built in the old editor is roughly half the size of the new one. With the new editor, I’m constantly hitting Gmail’s 100 KB clipping limit and having emails cut off, even when the visible content is minimal.
What’s especially confusing is fragment behavior. When I update a fragment to delete content, the email actually gets larger, sometimes by 30 KB or more. From what I can tell, fragment updates are appending duplicate CSS and redundant markup instead of removing it.
I’ve seen mentions that the old editor may be sunset in 2026, and I’m about to build a new nurture program. I’m concerned about being forced onto the new editor when it’s already difficult to keep emails under Gmail’s size limit.
Am I missing something here, or are others seeing the same behavior with the new editor?