dawn-cmake/docs/origin-trial-changes.md

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# Tint changes during Origin Trial
## Changes for M97
### Breaking Changes
* Deprecated `modf()` and `frexp()` builtin overloads that take a pointer second parameter have been removed.
## Changes for M95
### New Features
* The size of an array can now be defined using a non-overridable module-scope constant
* The `num_workgroups` builtin is now supported.
### Fixes
* Hex floats: now correctly errors when the magnitude is non-zero, and the exponent would cause overflow. [tint:1150](https://crbug.com/tint/1150), [tint:1166](https://crbug.com/tint/1166)
* Identifiers beginning with an underscore are now correctly rejected. [tint:1179](https://crbug.com/tint/1179)
* `abs()` fixed for unsigned integers on SPIR-V backend [tint:1179](https://crbug.com/tint/1194)