- update to version 1.51:
- Add support for speechPlayer.
- Add more tests to check the various parts of espeak-ng.
- Various changes to clean up the codebase (Juho Hiltunen)
- Remove support for l_length_mods language option
- Restructure "option brackets" language option to "brackets" and "bracketsAnnounced"
- Restructure "stressLength" and "stressAdd" language option
- New Language option: "lowercaseSentence" for ending a sentence if a period is followed by a lower case letter
- Add voice variants
- Rename zh to cmn (Mandarin)
- Rename zhy to yue (Cantonese)
- cmn (Mandarin) now assumes all latin characters all English text
Use cmn-latn-pinyin for interpreting latin characters as pinyin
- Update list of voice varants for Android application
- Add Chromium extension (guest271314)
- Replace `ieee80.c` by a free software implementation (Ulrich Müller)
- bug fixes:
- Fix reading malformed SSML (Christopher Brannon)
- Fix memory allocation (Christopher Brannon)
- Fix building and phoneme compilation (John Bowler)
- Fix build scripts for Android (Peter Vágner, Minas Tirith Citizen)
- documentation:
- Add documentation about voice and language options.
- Add documentation about dictionary flags.
- updated languages:
- ar (Arabic) -- king-dahmanus
- ba (Bashkir) -- boracasli98, Valdis Vitolins, Juho Hiltunen
- cmn (Mandarin) -- Silas S. Brown, Rongcui Dong, Icenowy Zheng, Juho Hiltunen
- de (German) -- Karl Eick, Henry Krumb
- el (Modern Greek) -- Reece Dunn (support for variant Greek letter forms)