---
sourceDocument: OOB-Other Release Notes
sourceDocumentLink: https://www.servicenow.com/docs/r/other-release-notes

 Release :

    - other

ft:locale :

    - en-US

ft:publication_title :

    - OOB-Other Release Notes

ft:clusterId :

    - rnob

bundleId :

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---

# Machine Learning Engine for on-prem v20.1 release notes

# Machine Learning Engine for on-prem v20.1 release notes {#ariaid-title1}

* Release version: Other
* 
* Updated September 9, 2021
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Machine Learning Engine for on-prem v20.1 includes minor bug fixes and
improvements.

## Compatibility {#oob-rn-machine-learning-engine-20-1__section_fpv_nj5_r4b}

Machine Learning Engine v20.1 is compatible with the Rome release.

## Installation {#oob-rn-machine-learning-engine-20-1__section_gpv_nj5_r4b}

You can access this update along with the download and installation instructions via the
[Machine Learning Engine Installation and Configuration for Self-Hosted
Customers Knowledge Base](https://hi.service-now.com/kb_view.do?sysparm_article=KB0782052) (KB0782052).

For technical assistance and information, please visit ServiceNow Support: <https://support.servicenow.com/support/>

## Release notes {#oob-rn-machine-learning-engine-20-1__section_dfq_4j5_r4b}

{#oob-rn-machine-learning-engine-20-1__table_ohr_j5s_l4b__entry__3}

| Problem category | Number | Short description |
|-|-|-|
| NLU Service | PRB1507046 | Users cannot train a NLU model when the entity utterances contain a comma |
| NLU Service | PRB1510110 | Non-exact vector search found that a segment gets the highest score |
| NLU Service | PRB1505425 | Lookup source vocabulary is not applied for segments with some special characters |
| NLU Service | PRB1516851 | When glide.mlpredictor.option. nlu.insensitiveToPunctuation is set to true, Japanese utterance characters are treated as punctuation and are removed |
| Predictive Intelligence - Server | PRB1515943 | The chronological split fails when \>20% data falls in the right side |
[ ]

{#oob-rn-machine-learning-engine-20-1__table_ohr_j5s_l4b}