What Happens During a Developmental Edit?
Developmental editing is one of the most valuable stages in the editorial process, but it is also one of the most misunderstood. Many authors have heard the term, but are not entirely sure what it involves. Some assume it means a light overview of the manuscript. Others expect it to be a line-by-line correction of every issue in the book. In reality, developmental editing is neither of those things. It is a deep, big-picture examination of the manuscript’s structure, story, and overall effectiveness.
Put simply, developmental editing looks at how the book works as a book.
It asks the bigger questions. Does the story hold together? Are the stakes clear enough? Is the pacing working? Do the characters feel believable and layered? Does the opening do enough to pull the reader in? Does the middle lose momentum? Does the ending feel satisfying and earned? Is the point of view consistent? Is the world-building strong enough to support the story without overwhelming it? These are the kinds of issues a developmental edit is designed to uncover.
This is why developmental editing happens early in the editorial process. There is little sense in perfecting grammar or polishing sentences if the structure underneath still needs serious attention. A beautiful paragraph cannot save a scene that should not be there. A perfectly proofread chapter will still fall flat if it adds nothing to the plot or the character arc. Developmental editing focuses on the framework first, because that framework determines how well the rest of the manuscript can function.
When an editor undertakes a developmental edit, they are not looking for stray commas or the occasional typo. They are reading with a much wider lens. They are paying attention to the shape of the story, the flow of events, the rise and fall of tension, the placement of reveals, the consistency of character choices, and the emotional journey the book takes the reader on. They are looking for where the manuscript is strong and where it is falling short, often in ways that the author can no longer see because they are too close to the material.
One of the biggest things a developmental edit examines is structure. That might sound formal or even a bit abstract, but structure really just means how the story is built. Are the right things happening at the right times? Is the beginning setting up the central conflict effectively? Is the middle expanding the story or just stalling it? Does the climax feel like a natural culmination of everything that came before? If the answer to any of those questions is no, the editor will usually explain why and suggest where the manuscript may need reshaping.
Pacing is another major focus. Many manuscripts do not fail because the premise is weak, but because the energy of the story is uneven. Some sections rush through material that should have more emotional weight, while others linger too long on scenes that are not doing enough. A developmental editor looks for where the story drags, where it skips too quickly, where tension is being lost, and where momentum needs to be restored. Sometimes that means cutting. Sometimes it means expanding. Often it means being more intentional about what each scene is there to achieve.
Character work is also central to developmental editing. Readers stay with stories because they care about what happens, but they care about what happens because they care about who it is happening to. If a protagonist feels passive, inconsistent, underdeveloped, or emotionally distant, the reader will struggle to stay engaged no matter how strong the plot looks on paper. A developmental editor considers whether the characters are believable, whether their motivations are clear, whether their decisions feel earned, and whether they are changing in ways that make narrative sense.
This applies not just to protagonists, but to supporting characters as well. Sometimes a side character is taking up space without serving much purpose. Sometimes an antagonist lacks enough presence or complexity to create proper tension. Sometimes relationships that should feel rich and layered are barely developed on the page. These are exactly the kinds of issues developmental editing is designed to identify.
For speculative fiction, fantasy, and science fiction in particular, world-building often comes under close scrutiny too. A developmental edit will consider whether the setting feels immersive, whether the rules of the world are clear, and whether that world-building is being woven into the story naturally. Too little, and the world feels thin or confusing. Too much, and the narrative can become bogged down in exposition. Striking the right balance is one of the trickiest parts of writing these genres, and developmental editing can be invaluable in showing where that balance is not yet quite right.
Authors sometimes worry that developmental editing means an editor will try to rewrite the story for them or impose their own vision onto the manuscript. A good developmental edit does not do that. The goal is not to turn your book into somebody else’s book. The goal is to help your book become a stronger version of itself. That means identifying the points where the manuscript is not yet fulfilling its own potential and offering guidance on how to bring it closer to what it is trying to be.
In practical terms, developmental editing often results in a detailed editorial report, sometimes alongside comments throughout the manuscript itself. The report may cover strengths, weaknesses, recurring issues, and recommendations for revision. It might point out where the opening needs more clarity, where the stakes need raising, where the emotional arc is underdeveloped, or where certain plot threads need tightening. Some editors will also comment directly on the manuscript to show where those issues are happening on the page. The exact format varies, but the purpose is the same: to give the author a clear, useful path forward.
What happens next is just as important. After a developmental edit, the author revises. This stage can be substantial. It may involve rewriting scenes, cutting chapters, deepening relationships, clarifying motivation, strengthening plot logic, or restructuring parts of the manuscript entirely. That can feel daunting at first, especially if the feedback is extensive, but it is often where the book makes its biggest leap forward. A developmental edit is not meant to be the final word. It is meant to open up the right revision work.
This is why developmental editing is so valuable, especially for authors who know something is not quite working but cannot clearly identify what. Maybe the manuscript has a strong premise but still feels flat. Maybe beta readers are giving mixed or conflicting feedback. Maybe the opening is promising, but the story loses shape halfway through. These are classic signs that the manuscript may need developmental support. What the author often needs in that moment is not more polishing, but more clarity.
It is also worth saying that developmental editing is not only for first-time authors. Experienced writers use it too, especially when they are working on ambitious projects, shifting genres, or trying to strengthen a manuscript before submission or publication. Every writer has blind spots. Developmental editing helps illuminate them.
For many books, this stage is the one that makes the greatest difference. A manuscript can survive the odd typo here and there. Readers are often more forgiving of surface mistakes than authors expect. But they are much less forgiving of a story that meanders, characters that feel thin, or an ending that does not satisfy. Developmental editing addresses the deeper issues that most directly affect the reading experience.
So what happens during a developmental edit? The manuscript is examined at its core. Its structure, pacing, characters, stakes, world-building, emotional movement, and narrative cohesion are all put under the microscope. The editor identifies what is strong, what is weak, and what needs revision to bring the book into clearer, stronger, more compelling shape.
It is not the quickest stage, and it is not always the easiest to receive, but it is often the most transformative. When done well, developmental editing does not just improve a manuscript. It changes the author’s understanding of the story itself. And from that point on, every later stage of editing becomes more effective because the book is finally standing on stronger ground.

