RE Engine Versions: How the Engine Changed, 2017 to 2026
Capcom does not publish version numbers, so this is a history of public milestones rather than a changelog.
Short answer
RE Engine versions do not exist as a public list. Capcom has never published version numbers for the engine, so nothing here is a changelog. What follows is a dated record of public milestones, releases and one announcement, plus a note on what each one implies about the engine, which is inference rather than a Capcom statement.
Key points
- Capcom publishes no RE Engine version numbers, so labels such as “RE Engine 2.0” are not Capcom terms. Any you see online are invented.
- The first public milestone is Resident Evil 7: biohazard in 2017; the most recent is the REX Project announcement on 2 October 2026.
- Engine change is visible through shipped games, not through release notes, because no release notes exist.
- The REX Project is the first time Capcom has given a change to the engine a public name.
- Whether REX is a version, a set of tools or both is something Capcom has not said.
Why there is no version list
Version numbers are an engineering convenience Capcom has never exposed. There is no public RE Engine 4.2, no release notes and no changelog, which is why this page is a history of milestones instead of a list of versions. Every date below marks a public event, not an engine release.
That absence has practical consequences. You cannot check which revision a game runs, you cannot tell whether a patch replaced engine code or only game data, and you cannot rank two titles by version. Anyone presenting an RE Engine version table as official is guessing, or repeating somebody else’s guess.
If you are starting from zero, what RE Engine is covers the name, the first shipped title and what the engine is known for.
The milestones we can date
Each row pairs a date with what Capcom put on the public record and the release that anchors it. The column on the right is the evidence, not a summary of engine internals.
| Date | Public milestone | What dates it |
|---|---|---|
| 2017 | First public release on the engine | Resident Evil 7: biohazard. |
| 2019 | Two titles in one year | Resident Evil 2 remake and Devil May Cry 5. |
| 2020 | A second remake, a year after the first | Resident Evil 3 remake. |
| 2021 | Two directions at once | Resident Evil Village across two console generations, Monster Hunter Rise on Switch first. |
| 2023 | Wider scope on the same engine | Street Fighter 6 with an explorable city, and the Resident Evil 4 remake. |
| 2024 | An open-world action RPG | Dragon’s Dogma 2, the first entry in that series on this engine. |
| 2025 | Open environments and changing weather | Monster Hunter Wilds. |
| 2 October 2026 | RE:2026 announcement | Capcom says RE Engine will evolve into an “AI generation engine” as part of the REX Project. |
What each milestone implies about the engine
The 2017 row is the only one with a clean public statement behind it: Resident Evil 7: biohazard was the first game to ship on the engine, and it set the photogrammetry-led art pipeline the engine is still known for. Two years later, the Resident Evil 2 remake rebuilt a fixed-camera 1998 game as a third-person title on the same technology, while Devil May Cry 5 took it into character action. Read together, 2019 suggests the production pipeline had become reusable, not just the renderer.
From 2020 the pattern changes shape. The Resident Evil 3 remake arrived a year after the previous remake, Resident Evil Village shipped across two console generations at once, and Monster Hunter Rise launched first on Nintendo Switch before reaching Windows in 2022. Each of those is a scaling problem rather than a visual one, and the Rise release is the clearest evidence for the engine’s reputation on modest hardware.
The 2023 to 2025 rows move in one direction: bigger, more continuous spaces. Street Fighter 6 needed explorable city streets, Dragon’s Dogma 2 needed an open world, and Monster Hunter Wilds needed open environments with changing weather. What that scale required of the engine is covered on its own page, and the full list sits on our RE Engine games page.
Every sentence in this section is inference from release dates. Capcom has never described the engine work behind those releases, and a marketing line about a game is not a changelog.
Where the REX Project fits
On 2 October 2026, at the Capcom Open Conference RE:2026, Capcom said it will evolve RE Engine into an “AI generation engine” as part of the REX Project. The materials name six subsystems: RE:Dox, RE:UI, RE:Log, RE:Flows, RE:Runtime and RE:C++. The REX Project explained sets out what each name covers and which ones touch authoring rather than runtime.
That row is a different kind of entry from everything above it. The earlier milestones describe shipped games. This one describes a stated intention, with no date, no benchmark and no named title attached. It is also the first time Capcom has given a change to the engine a public name, which is why it belongs on a versions page even though it is not a version.
REX has no number. Capcom has not called it RE Engine 2, and doing so would be our invention rather than their word. The announcement itself repays close reading, including the parts nobody has demonstrated yet.
What would change this page
A published changelog, a build identifier visible inside a shipped Capcom game, a named title using the REX tooling, or Capcom attaching a number to the engine: any one of those would turn this page into the version list people are looking for. Until then, the honest answer to “which version?” is that Capcom has not told anyone.
If you see a numbered RE Engine version elsewhere, ask whose number it is. If the answer is not Capcom, it is a fan label or a headline shorthand, which is fine as shorthand and misleading as history.
What is the latest version of RE Engine?
There is no public version number to quote. Capcom does not publish RE Engine versions or release notes. The most recent public milestone is the REX Project announcement at RE:2026 on 2 October 2026, and that is a stated intention rather than a shipped release.
Is RE Engine 2.0 real?
No Capcom statement or product uses that name as far as we can find. Labels like “RE Engine 2.0” appear in headlines and fan discussion as shorthand. If Capcom ever numbers the engine, this page will say so and cite the source.
Did the engine change between games?
Almost certainly, in ways nobody outside Capcom can date precisely, and that is inference rather than a documented fact. What is documented is that the games changed scale: handheld-first with Monster Hunter Rise, cross-generation with Village, open environments with Monster Hunter Wilds.
Does RE:2026 mean a new engine?
No. Capcom said it will evolve RE Engine into an “AI generation engine” as part of the REX Project. It did not say it is replacing the engine or building a separate one, and the six subsystem names sit inside the existing engine’s name.
Can I find out which version a specific game uses?
Not from Capcom. There is no published build list, and because the engine is not licensed or distributed there is no public SDK or version manifest to inspect. Treat specific build numbers as unverified unless they come with a Capcom source.