Theme and template changelogs: shipping updates to products people copy

You sell a theme, a template, a UI kit, or a boilerplate — a Shopify or WordPress theme, a Notion workspace template, a Figma design kit, a Next.js starter. Your product has a property almost nothing else in the changelog literature deals with: every customer owns a copy, and almost every copy has been modified. A SaaS app updates itself. A plugin replaces its own files and keeps its data. Your product was copied into the buyer’s world on day one and has been drifting away from yours ever since — renamed sections, recolored tokens, rewritten copy, extra pages. You can’t push updates. You can only publish them and hope the merge is worth it. Your changelog is where that case gets made — and, on a marketplace, it’s also part of your sales page.

Every buyer is a fork

The moment someone customizes their copy, they are maintaining a fork of your product — they just don’t think of it that way, and they have none of a fork maintainer’s tools. No diff, no merge, no upstream remote. When you release version 2.4, “updating” means one of three things for them: overwrite everything and lose their customizations, hand-copy your changes into their copy, or skip the update. Most buyers quietly pick the third — unless your notes make the second one cheap.

That single fact should shape every entry you write:

  • Name the files or sections you touched. “Improved product page layout” forces the buyer to diff your ZIP against their site by hand. “Changed: sections/product-template.liquid and snippets/price.liquid” turns an afternoon of archaeology into a two-file review. For a Notion or Figma template, name the pages, databases, or components instead of files.
  • Give a safe-to-overwrite verdict. The buyer’s first question is “can I just replace the whole thing?” Answer it in one line, per release: “Safe to overwrite if you haven’t edited templates directly; if you customized the header, see the merge notes.”
  • Estimate the merge cost honestly. Design system changelogs owe adopting teams an effort estimate; you owe your buyers the same. “About ten minutes if you’ve only changed settings; an hour if you’ve edited section code” reads as respect, and it’s the line that gets the update actually applied.

Three readers, one page

A theme changelog gets read by three very different people, and the page has to work for all of them:

  • The prospective buyer scrolling your marketplace listing. They can’t evaluate your code, so they evaluate your maintenance: how recent is the last entry, how steady is the rhythm, do compat bumps track the platform’s releases? An unbroken, dated history is the strongest trust signal a listing can carry — the same buying-signal logic as an unbroken history on any product, but here it’s read minutes before a purchase decision.
  • The existing buyer deciding whether this update is worth the merge. They read newest-first, looking for the verdict line, the changed-file list, and anything labeled security or compatibility.
  • The implementer — the freelancer or agency who set the site up and gets the “something broke” call months later. They arrive from a support thread needing the history: what changed between the version they installed and today. Permalinks to individual entries make those support replies one link instead of a retelling.

Versions and compatibility lines

Semver maps onto themes and templates better than you’d expect, if you define the interface honestly: your interface is whatever buyers customize. Renaming settings, restructuring sections, changing class names or design tokens — that’s a major version, because it breaks their edits on the way in. New sections and new options are minors. Fixes are patches. Buyers won’t parse the numbers the way a developer parses a library bump, but the discipline keeps you honest about what you’re asking of them.

Two lines belong in nearly every entry:

  • A compatibility line. “Tested with Shopify Online Store 2.0 / WordPress 6.5 / the current Figma variables model.” It’s the cheapest maintenance signal you can ship — the same job WordPress’s “Tested up to” header does for plugins — and prospective buyers scan for it.
  • A platform-change note when the platform moved. Shopify, WordPress, Notion, and Figma all ship changes that alter how your product behaves without you touching anything. You didn’t make the change, but to your buyers it arrived through your product — so watch the platform’s changelog like a dependency and announce what it means for your template, honestly sourced: “Shopify’s checkout update changes X; here’s what to do in your copy.” Sellers who do this get renewals; it’s support nobody else is giving.

Write for the buyer three versions behind

Because updating costs effort, most of your installed base is behind — not by one version but by several. That makes the version-skipper the default reader:

  • Entries stand alone. Never “finished the refactor from 2.2” — the reader may have never seen 2.2.
  • Keep a cumulative upgrade note per major. “Updating from 1.x” as a single evergreen entry (or a pinned doc the changelog links) beats making a buyer reconstruct the path across nine entries.
  • Ship the history with the product. A CHANGELOG file in the download itself means even an offline copy can answer “what version is this and what came after it?” — but treat it as a slice of the hosted page, not the canonical home. The buyer’s copy of the changelog is frozen at purchase; the hosted page is the one that keeps the whole story.

A release entry that earns the merge

## 2.4.0 — 2026-07-30

Tested with: Shopify Online Store 2.0 (current). No platform changes required.
Safe to overwrite: settings-only customizations yes; edited sections, see below.
Changed files: sections/product-template.liquid, snippets/price.liquid,
assets/theme.css

### Added
- Quick-view on collection cards (new section setting, off by default —
  nothing changes until you enable it)

### Fixed
- Prices over 1,000 wrapped onto two lines on mobile (snippets/price.liquid)

### Merge notes
If you edited sections/product-template.liquid: our change is the new
quick-view block near the top of the file; copy that block into your
version rather than overwriting. About 15 minutes.

Every part of that entry answers a buyer question: is it compatible, can I overwrite, what did you touch, what do I get, what will it cost me. The template is a checklist, not a mad-lib — delete lines that don’t apply, per the general template rule.

Where the changelog lives

  • The marketplace changelog field is a slice, not the home. Envato’s changelog tab, Creative Market’s update notes, the Shopify Theme Store’s update notices — fill them, because buyers read them at decision time, but keep the canonical, permalinked history on a page you control. Marketplace fields have no permalinks, no feeds, and they vanish if the listing does.
  • Your demo or docs site carries the canonical page. It’s also where prospective buyers land off the marketplace; a visible, current changelog closes sales there too.
  • A feed for implementers. The freelancer maintaining eight client sites on your theme doesn’t revisit your listing — an RSS feed or a webhook into their Slack is how they find out version 2.4 exists.
  • Email sparingly. Marketplaces notify buyers of updates erratically at best. A direct email is justified for security fixes and platform-breakage warnings — the emails that earn a send — not for every patch.

Anti-patterns

  • “Bug fixes and improvements” on a paid listing. On a marketplace, vague notes don’t just waste an update — they read as abandonment to the buyer comparing you against the theme next door with a real history.
  • Changelog only inside the ZIP. Prospective buyers never see it, existing buyers must download to learn whether downloading was worth it, and search engines index none of it.
  • No changed-file list. A version bump with prose but no file names sends every customized buyer diffing archives by hand — or, more likely, skipping the update forever.
  • “Just overwrite” as the only guidance. Telling customized buyers to overwrite is telling them to destroy their work. If you can’t support hand-merges, say so honestly — but say something.
  • Compat lines that never move. “Tested with WordPress 5.9” three platform versions later reads as a dead product, whatever the code’s actual state.
  • Going silent between launches. A history that’s only launch spikes tells buyers maintenance follows marketing. Steady small entries — a cadence, even a modest one — is what “actively maintained” actually looks like.

Doing this with Wakelog

  • The hosted page is the canonical home — dated entries, tag pills (new / improved / fix), permalinks for support replies, RSS and JSON feeds for the freelancer with eight client sites. Marketplace changelog fields become slices you paste from it.
  • Import what you have. If your history lives in a CHANGELOG file in the ZIP, paste it once — the importer preserves your original dates, so years of maintenance show up as years, not as one bulk paste. See starting a changelog for an existing product.
  • The badge on your docs site. A “shipped 3d ago” badge is the maintenance signal, live, on the page where buyers evaluate you.
  • Honest caveat: Wakelog won’t diff your theme’s files or generate merge notes — the changed-file list and the verdict line are judgment, and they’re yours. We just make the publishing side — the page, the permalinks, the feeds — free and instant.

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Last updated 2026-07-30 · All guides