ASR

• Add new features to ASR with diarization with modified tutorial and README. by @tango4j :: PR: #3007
• Enable stateful decoding of RNNT over multiple transcribe calls by @titu1994 :: PR: #3037
• Move vocabs from asr to common by @Oktai15 :: PR: #3084
• Adding parallel transcribe for ASR models - suppports multi-gpu/multi-node by @VahidooX :: PR: #3017
• CTC Conformer fixes for ONNX/TS export by @borisfom :: PR: #3072
• Adding pretrained French ASR models to ctc_bpe and rnnt_bpe listings by @tbartley94 :: PR: #3225
• adding german conformer ctc and rnnt by @yzhang123 :: PR: #3242
• Add aishell and fisher dataset processing scripts for ASR by @jbalam-nv :: PR: #3203
• Better default for RNNT greedy decoding by @titu1994 :: PR: #3332
• Add uniform ASR evaluation script for all models by @titu1994 :: PR: #3334
• CTC Segmentation-Citrinet support by @ekmb :: PR: #3279
• Updates on ASR with diarization util files by @tango4j :: PR: #3359
• Asr fr by @tbartley94 :: PR: #3404
• Refactor ASR Examples Directory by @titu1994 :: PR: #3392
• Asr patches by @titu1994 :: PR: #3443
• Properly support -1 for labels in ctc char models by @titu1994 :: PR: #3487

TTS

• MixerTTS, MixerTTSDataset and small updates in tts tokenizers by @Oktai15 :: PR: #2859
• ONNX and TorchScript support for Mixer-TTS by @Oktai15 :: PR: #3082
• Update name of files to one style in TTS folder by @Oktai15 :: PR: #3189
• Update TTS Dataset, FastPitch with TTS dataset and small improvements in HiFiGAN by @Oktai15 :: PR: #3205
• Add Beta-binomial Interpolator to TTSDataset by @Oktai15 :: PR: #3230
• Normalizer to TTS models, TTS tokenizer updates, AxisKind updates by @Oktai15 :: PR: #3271
• Update Mixer-TTS, FastPitch and TTSDataset by @Oktai15 :: PR: #3366
• Minor Updates to TTS Finetuning by @blisc :: PR: #3455

NLP / NMT

• NMT timing and tokenizer stats utils by @michalivne :: PR: #3004
• Add offsets calculation to MegatronGPTModel.complete method by @dimapihtar :: PR: #3117
• NMT checkpoint averaging by @michalivne :: PR: #3096
• NMT validation examples with inputs by @michalivne :: PR: #3194
• Improve data pipeline for punctuation capitalization model and make other useful changes by @PeganovAnton :: PR: #3159
• Reduce test time of punctuation and capitalization model by @PeganovAnton :: PR: #3286
• NLP text augmentation by @michalivne :: PR: #3291
• Adding Megatron NeMo Bert support by @yidong72 :: PR: #3303
• Added Script to convert Megatron LM to . nemo file by @yidong72 :: PR: #3371
• Support Changing Number of Tensor Parallel Partitions for Megatron by @aklife97 :: PR: #3365
• Megatron AMP fix for scheduler step counter by @titu1994 :: PR: #3293
• T5 Pre-training in NeMo using Megatron by @MaximumEntropy :: PR: #3036
• NMT MIM mean variance fix by @michalivne :: PR: #3385
• NMT Shared Embeddings Weights by @michalivne :: PR: #3340
• Make saving .nemo during on_train_end configurable by @ericharper :: PR: #3427
• Byte-level Multilingual NMT by @aklife97 :: PR: #3368
• BioMegatron token classification tutorial fix to be compatible with current Megatron BERT by @yidong72 :: PR: #3435
• NMT documentation for bottleneck architecture by @michalivne :: PR: #3464
• (1) O2-style mixed precision recipe, (2) Persistent layer-norm, (3) Grade scale hysteresis, (4) gradient_as_bucket_view by @erhoo82 :: PR: #3259

Text Normalization / Inverse Text Normalization

• Tn clean upsample by @yzhang123 :: PR: #3024
• Tn add nn wfst and doc by @yzhang123 :: PR: #3135
• Update english tn ckpt by @yzhang123 :: PR: #3143
• WFST_tutorial for ITN development by @tbartley94 :: PR: #3128
• German TN wfst by @yzhang123 :: PR: #3174
• Add ITN Vietnamese by @binh234 :: PR: #3217
• WFST TN updates by @ekmb :: PR: #3235
• Itn german refactor by @yzhang123 :: PR: #3262
• Tn german deterministic by @yzhang123 :: PR: #3308
• TN updates by @ekmb :: PR: #3285
• Added double digits to EN ITN by @yzhang123 :: PR: #3321
• TN_non_deterministic optimized by @ekmb :: PR: #3343
• Missing init for TN German by @ekmb :: PR: #3355
• Ru TN by @ekmb :: PR: #3390
• Update ContextNet models trained on more datasets by @titu1994 :: PR: #3440

NeMo Tools

• CTC Segmentation-Citrinet support by @ekmb :: PR: #3279
• Updated NumPy SDE requirement by @vsl9 :: PR: #3442

Export

• ONNX and TorchScript support for Mixer-TTS by @Oktai15 :: PR: #3082
• CTC Conformer fixes for ONNX/TS export by @borisfom :: PR: #3072

Documentation

• Merge r1.5.0 bugfixes and doc updates to main by @ericharper :: PR: #3133
• Tn add nn wfst and doc by @yzhang123 :: PR: #3135
• Add apex into by @PeganovAnton :: PR: #3214
• Final merge r1.5.0 bugfixes and doc updates to main by @ericharper :: PR: #3232
• Nemo container docker building instruction - merge to main by @fayejf :: PR: #3236
• Doc link fixes by @nithinraok :: PR: #3264
• French ASR Doc updates by @tbartley94 :: PR: #3322
• german asr doc page update by @yzhang123 :: PR: #3325
• update docs and replace speakernet with titanet in tutorials by @nithinraok :: PR: #3405
• Asr fr by @tbartley94 :: PR: #3404
• Update copyright to 2022 by @ericharper :: PR: #3426
• Update Speech Classificatoin - VAD doc by @fayejf :: PR: #3430
• Update speaker diarization docs by @tango4j :: PR: #3419
• NMT documentation for bottleneck architecture by @michalivne :: PR: #3464
• Add verification helper function and update docs by @nithinraok :: PR: #3514
• Prompt tuning documentation by @vadam5 :: PR: #3541
• French ASR Doc updates by @tbartley94 :: PR: #3322
• German asr doc page update by @yzhang123 :: PR: #3325

Bugfixes

• Fixed wrong tgt_length for timing by @michalivne :: PR: #3050
• Update nltk version with a CVE fix by @thomasdhc :: PR: #3054
• Fix README by @ericharper :: PR: #3070
• Transformer Decoder: Fix swapped input name issue by @aklife97 :: PR: #3066
• Fixes bugs in collect_tokenizer_dataset_stats.py by @michalivne :: PR: #3060
• Attribute is not working in . by @PeganovAnton :: PR: #3099
• Merge r1.5.0 bugfixes and doc updates to main by @ericharper :: PR: #3133
• A quick fix for issue #3094 index out-of-bound when truncating long text to max_seq_length by @bugface :: PR: #3131
• Fixed two typos by @bene-ges :: PR: #3157
• Merge r1.5.0 bugfixes to main by @ericharper :: PR: #3173
• LJSpeech alignment scripts fixed for latest MFA by @m-toman :: PR: #3177
• Add apex into by @PeganovAnton :: PR: #3214
• Patch omegaconf for cfg by @fayejf :: PR: #3224
• Final merge r1.5.0 bugfixes and doc updates to main by @ericharper :: PR: #3232
• CTC Conformer fixes for ONNX/TS export by @borisfom :: PR: #3072
• Fix Masked SE for Citrinets + export Limited Context Citrinet by @titu1994 :: PR: #3216
• Fix text length type in TTSDataset for beta_binomial_interpolator by @Oktai15 :: PR: #3233
• Fix cast type in _se_pool_step_script related functions by @Oktai15 :: PR: #3239
• Doc link fixes by @nithinraok :: PR: #3264
• Escape chars fix by @ekmb :: PR: #3253
• Fix asr output - eval mode by @nithinraok :: PR: #3274
• Remove ArrayLike because it is not supported in numpy 1.18 by @PeganovAnton :: PR: #3282
• Fix megatron_gpt_ckpt_to_nemo.py with torch distributed by @yaoyu-33 :: PR: #3278
• Reduce test time of punctuation and capitalization model by @PeganovAnton :: PR: #3286
• Tn en money fix by @yzhang123 :: PR: #3290
• Fixing the bucketing_batch_size bug. by @VahidooX :: PR: #3294
• Adaptiv fixed positional embeddings by @michalivne :: PR: #3263
• Fix specaugment time start for numba kernel by @titu1994 :: PR: #3299
• Fix for Stalled ASR training/eval on Pytorch 1.10+ (multigpu/multinode) by @titu1994 :: PR: #3304
• Fix bucketing list bug. by @VahidooX :: PR: #3315
• Fix MixerTTS types and dimensions by @Oktai15 :: PR: #3330
• Fix german and vietnames grammar by @yzhang123 :: PR: #3331
• Fix readme to show cmd by @yzhang123 :: PR: #3345
• Fix speaker label models training convergence by @nithinraok :: PR: #3354
• Tqdm get datasets by @bmwshop :: PR: #3358
• Fixed future masking in cross attention of Perceiver by @michalivne :: PR: #3314
• Fixed the bug of fixed-size bucketing. by @VahidooX :: PR: #3364
• Fix minor problems in punctuation and capitalization model by @PeganovAnton :: PR: #3376
• Megatron AMP fix for scheduler step counter by @titu1994 :: PR: #3293
• fixed the bug of bucketing when fixed-size batch is used. by @VahidooX :: PR: #3399
• TalkNet Fix by @stasbel :: PR: #3092
• Fix linear annealing not annealing lr to min_lr by @MaximumEntropy :: PR: #3400
• Resume training on SLURM multi-node multi-gpu by @itzsimpl :: PR: #3374
• Fix running token classification in multinode setting by @PeganovAnton :: PR: #3413
• Fix order of lang checking to ignore input langs by @MaximumEntropy :: PR: #3417
• NMT MIM mean variance fix by @michalivne :: PR: #3385
• Fix bug for missing variable by @MaximumEntropy :: PR: #3437
• Asr patches by @titu1994 :: PR: #3443
• Prompt tuning loss mask fix by @vadam5 :: PR: #3438
• BioMegatron token classification tutorial fix to be compatible with current Megatron BERT by @yidong72 :: PR: #3435
• Fix hysterisis loading by @MaximumEntropy :: PR: #3460
• Fix the tutorial notebooks bug by @yidong72 :: PR: #3465
• Fix the errors/bugs in ASR with diarization tutorial by @tango4j :: PR: #3461
• WFST Punct post fix + punct tutorial fixes by @ekmb :: PR: #3469
• Process correctly label ids dataset parameter + standardize type of label ids model attribute + minor changes (error messages, typing) by @PeganovAnton :: PR: #3471
• file name fix - Segmentation tutorial by @ekmb :: PR: #3474
• Patch fix for the multiple last checkpoints issue by @nithinraok :: PR: #3468
• Fix bug with arguments for TalkNet's preprocessor by @Oktai15 :: PR: #3481
• Fix description by @PeganovAnton :: PR: #3482
• typo fix in diarization notebooks by @nithinraok :: PR: #3480
• Fix checkpoint converter in O2 style by @yaoyu-33 :: PR: #3486
• Remove pickled features from tarred dataset by @PeganovAnton :: PR: #3491
• Fix link to NGC page for ASR by @titu1994 :: PR: #3512
• vad typo fix by @fayejf :: PR: #3490
• fixed the num_classes bug of conv decoder. by @VahidooX :: PR: #3525
• Fixed section typo by @vadam5 :: PR: #3522
• Fixed duplicate cell bug by @vadam5 :: PR: #3518
• Fix bug in inference tts notebook by @Oktai15 :: PR: #3532
• Fix nmt resume by @ericharper :: PR: #3539
• TN bug fix by @ekmb :: PR: #3538
• Fix bug with pretrained method in Inference_ModelSelect.ipynb by @Oktai15 :: PR: #3546
• Fix an issue with wandb not displaying updated config changes by @titu1994 :: PR: #3552
• Fix bug in inference tts notebook by @Oktai15 :: PR: #3532
• Fix bug with pretrained method in Inference_ModelSelect.ipynb by @Oktai15 :: PR: #3546
• Fix asr output - eval mode by @nithinraok :: PR: #3274
• Fix for Stalled ASR training/eval on Pytorch 1.10+ (multigpu/multinode) by @titu1994 :: PR: #3304
• Fix text length type in TTSDataset for beta_binomial_interpolator by @Oktai15 :: PR: #3233
• Fix MixerTTS types and dimensions by @Oktai15 :: PR: #3330
• Fix the errors/bugs in ASR with diarization tutorial by @tango4j :: PR: #3461
• Fix link to NGC page for ASR by @titu1994 :: PR: #3512
• Fix megatron_gpt_ckpt_to_nemo.py with torch distributed by @yaoyu-33 :: PR: #3278
• Fix minor problems in punctuation and capitalization model by @PeganovAnton :: PR: #3376
• Fix running token classification in multinode setting by @PeganovAnton :: PR: #3413
• Fix description by @PeganovAnton :: PR: #3482
• Fix nmt resume by @ericharper :: PR: #3539
• TN bug fix by @ekmb :: PR: #3538
• Fix german and vietnames grammar by @yzhang123 :: PR: #3331
• Tn en money fix by @yzhang123 :: PR: #3290

Improvements:

• Remove STFT checks due to min PT version of 1.10 by @titu1994 :: PR: #3034
• Add a stateless timer to specify max_time per run instead of global m… by @MaximumEntropy :: PR: #3056
• (1) reduce the validation loss within a epoch, (2) convert global-bat… by @erhoo82 :: PR: #3055
• Timer class monitors total time (train + validation + testing) to monitor when to end training by @MaximumEntropy :: PR: #3061
• Add new by @PeganovAnton :: PR: #2963
• Add PUBLICATIONS.md by @titu1994 :: PR: #3051
• Hg cache by @yzhang123 :: PR: #3080
• Add sequence axis to AxisKind.from_str() and improve time axis by @Oktai15 :: PR: #3090
• Add logging to LS script by @titu1994 :: PR: #3141
• Modify speaker input by @nithinraok :: PR: #3100
• Typo correction in README.rst by @satpalsr :: PR: #3103
• Self-supervised pre-training for speech models by @sam1373 :: PR: #3139
• Add AISHELL 2 processing script by @titu1994 :: PR: #3195
• Add support for multi-speaker FastPitch export by @ryanleary :: PR: #3192
• Reduce number of log files for large runs by @blisc :: PR: #3191
• Add support to modify nemo cache directory by @titu1994 :: PR: #3208
• Add Pitch, Duration Tensors for Riva by @blisc :: PR: #3207
• Upgrade to NVIDIA PyTorch 21.11 Container by @ericharper :: PR: #3234
• Add WMT21 paper to Publications by @MaximumEntropy :: PR: #3256
• Support for gecko tool by @nithinraok :: PR: #3266
• Adding adaptive bucketing for tarred datasets. by @VahidooX :: PR: #3222
• Initial refactor by @borisfom :: PR: #3272
• Refactored prepare_for_export calls to ensure input size of example i… by @borisfom :: PR: #3305
• Replacing outdated exports scripts by @borisfom :: PR: #3311
• Batch implementation by @dimapihtar :: PR: #3276
• Multiscale processing feature for speaker diarization by @tango4j :: PR: #3296
• Add titanet by @nithinraok :: PR: #3333
• update sparrowhawk export grammars to able to skip pynini by @yzhang123 :: PR: #3346
• Prompt tuning by @vadam5 :: PR: #3309
• Remove wordninja by @ekmb :: PR: #3363
• Repair arbitrary file or folder deletion vulnerability by @haby0 :: PR: #3362
• Moved shebangs to the first line by @davidalami :: PR: #3361
• Added new method for logprobs computation by @dimapihtar :: PR: #3329
• Update speaker collate functions by @nithinraok :: PR: #3381
• Cache_hf by @ekmb :: PR: #3406
• Update to NVIDIA PyTorch 21.12 Container by @ericharper :: PR: #3424
• Working around Pytorch exporter issue with expand() by @borisfom :: PR: #3422
• Remove apex by @ekmb :: PR: #3428
• Vad infer refactor by @fayejf :: PR: #3394
• Update LJSpeech preprocessing by @Oktai15 :: PR: #3423
• Preprocess an entire folder of .json or .json.gz files into a single .bin and .idx file. by @MaximumEntropy :: PR: #3425
• TimingCallback default buffer_size=1 by @michalivne :: PR: #3439
• Extending input_example() to take max batch and dimension arguments by @borisfom :: PR: #3429
• Refactor data preprocessing script by @yzhang123 :: PR: #3444
• Test only if the model was trained on single GPU for accurate results. by @titu1994 :: PR: #3470
• Upper bound ptl for r1.6.0, lower bound numpy in general by @ericharper :: PR: #3466
• Add Apex import guard by @ericharper :: PR: #3467
• Adding missing init files by @yzhang123 :: PR: #3505
• Typos by @ekmb :: PR: #3504
• Update titanet conf by @nithinraok :: PR: #3507
• Raise PTL upper bound on r1.6.0 by @ericharper :: PR: #3510
• Enforce utf-8 on all file r/w by @titu1994 :: PR: #3520
• Pushing updated WFST Tutorial to r1.6.0 by @tbartley94 :: PR: #3521
• WFST tutorial update by @tbartley94 :: PR: #3531
• Update nvidia container check by @ericharper :: PR: #3535
• Remove extra instance during restore by @ericharper :: PR: #3551
• Remove wordtokenizer example from NLP tokenizer notebook by @aklife97 :: PR: #3477