For those who don’t know the tool: DaVinci Resolve combines editing, colour grading, Fusion compositing, Fairlight audio, mastering and photo processing. It connects camera media, editorial timelines, VFX, sound, finishing, delivery, plug-ins, scripts, cloud collaboration and Blackmagic hardware within one production environment.
A manual becomes news
Blackmagic Design has published an updated DaVinci Resolve 21 Reference Manual alongside Resolve 21.0.3. ProVideo Coalition reports that the document contains 4,443 numbered pages, or 4,444 including its back cover. (4:4:4:4? Colours? Naaaa, that joke would be too bad!)

The scale reflects Resolve’s growth from a specialist grading system into an application covering ingest, editing, colour, compositing, motion graphics, audio post, collaboration, mastering and delivery. Version 21 also adds a dedicated Photo page and expands AI-assisted, immersive and developer-facing functions. More pages in the manual!
This documentation update is not a new development – BMD has been diligent in updating this kind of “everyday reference” for many years, and it has grown a lot – no algorithm or UI, just “This is all you need to know about our product.” It explains existing and newly introduced controls, workflows and technical behaviour. Facilities should therefore archive the manual separately from installers, release notes and SDK material. And keep it very close.

Reference versus release guide
Blackmagic’s DaVinci Resolve 21 New Features Guide provides a shorter overview of additions across the Photo, Cut, Edit, Media, Color, Fairlight and Fusion pages. The reference manual serves a different purpose. It documents how controls, tools and workflows operate after the novelty has worn off and a production deadline remains. Editors can inspect trim behaviour, colourists can check node and version controls, compositors can review Fusion parameters, and audio teams can verify Fairlight routing. A new-features guide answers what changed. A reference manual should explain what a control consumes, modifies and outputs, and what you are doing wrong, because it worked until yesterday!
Search still needs context
A manual of this size may not make every interface command easy to locate. Search tools and language models may help identify relevant sections.
https://documents.blackmagicdesign.com/UserManuals/DaVinci_Resolve_21_Reference_Manual.pdf