New Features

• [New Features][ESPnet2] Porting existing pre-trained models to hugging face #3321 by @siddhu001
• [New Features][ESPnet2][ASR][CI][Installation] k2_and_espnet2 #3358 by @glynpu
• [New Features][ESPnet2][ASR][LM][CI] espnet2 ngram #3345 by @qmpzzpmq
• [New Features][ESPnet2][Installation] add s3prl frontend #3187 by @simpleoier

Recipe

• [Recipe][ESPnet1][ASR] Fix the iconv error in hkust data prep #3397 by @sw005320
• [Recipe][ESPnet1][ASR] mucs subtask2 baseline recipes (e2e and kaldi) #3362 by @bloodraven66
• [Recipe][ESPnet1][ESPnet2][ASR] JTubeSpeech recipe and hkust espnet1 #3406 by @sw005320
• [Recipe][ESPnet1][TTS] CMU INDIC TTS #3347 by @peter-yh-wu
• [Recipe][ESPnet2][ASR] ESPnet2 Recipe for Ksponspeech #3387 by @YushiUeda
• [Recipe][ESPnet2][ASR] Fix gigaspeech pre-trained model link #3317 by @sw005320
• [Recipe][ESPnet2][ASR] LRS2 lipreading recipe #3346 by @LiChenda
• [Recipe][ESPnet2][ASR] OpenSLR Sundanese ASR #3344 by @peter-yh-wu
• [Recipe][ESPnet2][ASR] Recipe of JTubeSpeech #3311 by @sw005320
• [Recipe][ESPnet2][ASR] fix path error in local/score.sh in swbd #3349 by @wonkyuml
• [Recipe][ESPnet2][ASR] updated javanese and sundanese readmes #3369 by @peter-yh-wu
• [Recipe][ESPnet2][ASR][Installation] OpenSLR Javanese ASR #2960 by @peter-yh-wu
• [Recipe][ESPnet2][SLU] Add initial Switchboard Dialogue Act classification recipe #3395 by @akreal
• [Recipe][ESPnet2][SLU] FSC Espnet2 data preparation #3352 by @siddhu001
• [Recipe][ESPnet2][TTS] Add HUI-audio-corpus-german recipe for ESPnet2-TTS #3375 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Add JMD recipe #3394 by @takenori-y
• [Recipe][ESPnet2][TTS] Add RUSLAN recipe for ESPnet2-TTS #3378 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Support KSS dataset recipe for ESPnet2-TTS #3383 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Update HUI audio corpus german recipe #3381 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Update HUI-audio-corpus-german recipe results of ESPnet2-TTS #3391 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Update KSS dataset recipe results of ESPnet2-TTS #3400 by @kan-bayashi
• [Recipe][ESPnet2][TTS] Update RUSLAN recipe results of ESPnet2-TTS #3390 by @kan-bayashi
• [Recipe][ESPnet2][TTS] indic tts without pretrained model #3401 by @peter-yh-wu

Enhancement

• [Enhancement][ESPnet2] Update wav2vec2_encoder.py #3312 by @brotheroak
• [Enhancement][ESPnet2][TTS] Add trim_silence for ESPnet2-TTS #3380 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Allow override default 'speed_control_alpha' parameter #3316 by @airenas
• [Enhancement][ESPnet2][TTS] Support French G2P #3372 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Support German G2P #3371 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Support Korean G2P #3382 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Support Russian G2P #3377 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Support Spanish G2P #3373 by @kan-bayashi
• [Enhancement][ESPnet2][TTS] Update README about G2P #3374 by @kan-bayashi

Bugfix

• [Bugfix][ESPnet1][ESPnet2] Fix a type error of swbd data preparation. #3324 by @pengchengguo
• [Bugfix][ESPnet1][ESPnet2][TTS] Fixed label modification in Taco2 or Transformer-TTS with R > 1 #3392 by @kan-bayashi
• [Bugfix][ESPnet2] fix a bug in OneCycleLR and CyclicLR #3319 by @sw005320

Others

• [Typo][ESPnet1] Update batch_beam_search_online_sim.py #3367 by @aky15
• [Typo][ESPnet2] Fixed typo in model name #3364 by @kan-bayashi
• [Typo][ESPnet2] Update contextual_block_transformer_encoder.py #3354 by @aky15

Acknowledgements

Special thanks to @LiChenda, @YushiUeda, @airenas, @akreal, @aky15, @bloodraven66, @brotheroak, @glynpu, @kan-bayashi, @pengchengguo, @peter-yh-wu, @qmpzzpmq, @siddhu001, @simpleoier, @sw005320, @takenori-y, @wonkyuml.