Update changes file
For PRs:
- #6864 - NVDA user configuration files can now be stored in the user's local application data folder. This is enabled via a setting in the registry. See 'System wide parameters' in the user guide for more details. (Issue #6812)
- #7055 - In web browsers, NVDA now reports placeholder values for fields (specifically, aria-placeholder is now supported). (Issue #7004)
