English What's New: Fix typos and linguistic and formatting errors.

Fixes #3865.
Provide a quick fix to a crash in NVDA due to a bug shared between comtypes VARIANT implementation and ctypes callbacks. Re #3867

Stops crashes in NVDA's log viewer and in windbg, when either contains a large amount of text and then its some how updated.
Merge commit 'fetch_head' into jpbranch