- SpeechSynthesizer: repaired an old bug whereby Get phonemes from text... could increase the duration of a subsequent Play (or To Sound...).
- SpeechSynthesizer and TextGrid alignment: repaired a bug (existing since 6.4.18) whereby clause and word tiers would be empty.
- TextGrid window: disambiguated Command-F5 (now Option-F5 for Get minimum pitch; likewise, Option-F8 for Get minimum intensity).
- Calling Praat from command line: reenabled
--pref-dir=
option.