[release notes] Fix section structure
Export findWordAt

Closes #2790
[merge addon] Add diff_match_patch as explicit dependency

Closes #2783
Add Hebrew code range to nonASCIISingleCaseWordChar regexp

Fixes detection of Hebrew letters as word characters

Closes #2789
Force scroll update from swapDoc

Issue #2714
[sass mode] Make sure indentCount is initialized propertly

Issue #2786