VideoGenReview

What each AI video model's release notes say changed

What a missing note does and does not mean

No note is not the same as no change. A maker can ship a feature without writing it down, or write it on a page not read here. The register covers the notes read; its gaps are gaps in the notes. From 3 source pages, read 2026-09-25; no maker pays to be listed.

Where this note's examples come fromThe examples in this note come from 3 entries across 2 model lines.ExamplesMidjourney video2 entriesSeedance1 entry
Fig. 1 Each example links to its line page.

Midjourney's update blog shows four video posts in the summer of 2025 and none with video in the title after that. That says the blog stopped writing about video, not that the model stopped changing. Likewise, Seedance's lack of dated maker notes is a fact about where ByteDance publishes, not about the model.

When a feature matters to a project, the safer reading is the maker's current documentation for what exists today, and the notes for when it arrived.

The entries this note draws on, read 2026-09-25.
DateLineVersionWhat changed
18 June 2025Midjourney videoMidjourney V1 videoThe V1 video model animates images, with low or high motion and extensions of about 4 seconds
13 August 2025Midjourney videoMidjourney V1 videoHD video opens to the Standard plan and smaller batches arrive
Undated version rowSeedanceSeedance 1.0 ProSeedance 1.0 Pro: 2 to 12 seconds, up to 1080p, first and last frames

Inclusion rule. Entries used as examples in this note. Order. By date, oldest first; undated rows last.

1In the notes

Once you have a video you like you can “extend” them - roughly 4 seconds at a time - four times total.

Midjourney, V1 video model announcement

HD video generation is now available for Standard Plan users

Midjourney, new video options announcement

Duration: 2–12 s

BytePlus ModelArk, model list

2Where new versions end up

Release notes such as “What a missing note does and does not mean” matter once a pipeline runs the models; SceneMixer's guides describe how it does:

Paste a scene or a short script and SceneMixer gives you a storyboard — numbered shots with framing and seconds — and then a moving version of each segment, which you can join into a rough cut of the scene.

SceneMixer, Using SceneMixer for Previs and Animatics Before a Live-Action Shoot (read 2026-10-13)

In the editor this tier is greyed out for such a segment; pick a Seedance 2.5 or Wan tier.

SceneMixer, Seedance 2.0 (standard tier) — “Can a segment longer than 15 seconds use this tier?” (read 2026-10-13)

3Other reading notes

4Notes read