Revit API 2025

28,260 pages across 30 namespaces. Cross-version diffs, code snippets, and per-page discussion.

What's New in API 2025 Migrating From .NET 4.8 to .NET 8

At a glance

New, removed and obsolete are measured against Revit API 2024. Counts are page-by-page (every method overload, member list, and property is its own row). Autodesk's What's New report groups changes by API member, so it usually lists fewer items even when describing the same changes.

28,260 Total pages
604 New
59 Obsolete
2,568 Removed

1,936 Classes
7,846 Methods
12,857 Properties
1,035 Constructors
3,682 Member lists
680 Enumerations
224 Others i
Other page types
- Events 116
- Interfaces 67
- Namespaces 30
- Fields 4
- Structures 2
- Operators 2
- Notes & guides 2
- Delegates 1

How to navigate

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