* [Daniel Wang (@datou0412)](https://github.com/datou0412): Add koltin sample for website [PR #1351](https://github.com/microsoft/monaco-editor/pull/1351)
* [Ehsan (@ehsan-mohammadi)](https://github.com/ehsan-mohammadi): Updated html sample code [PR #1387](https://github.com/microsoft/monaco-editor/pull/1387)
* [Jonas Fonseca (@jonas)](https://github.com/jonas): CHANGELOG: Fix year for releases made in 2019 [PR #1388](https://github.com/microsoft/monaco-editor/pull/1388)
* [Milen Radkov (@mradkov)](https://github.com/mradkov): Add Sophia ML example [PR #1543](https://github.com/microsoft/monaco-editor/pull/1543)
* [Sergey Romanov (@Serhioromano)](https://github.com/Serhioromano): Structured text example [PR #1552](https://github.com/microsoft/monaco-editor/pull/1552)
* [zhnlviing (@zhanghongnian)](https://github.com/zhanghongnian): fix demo: completion provider example [PR #1537](https://github.com/microsoft/monaco-editor/pull/1537)
Contributions to `monaco-json`:
* [Dominik Moritz (@domoritz)](https://github.com/domoritz)
* Add support for Sophia ML [PR #67](https://github.com/microsoft/monaco-languages/pull/67)
* add `None` and `Some` keywords to SophiaML [PR #68](https://github.com/microsoft/monaco-languages/pull/68)
* [Marco Petersen (@ocrampete16)](https://github.com/ocrampete16): Add support for the Twig template language [PR #71](https://github.com/microsoft/monaco-languages/pull/71)
* [Progyan Bhattacharya (@Progyan1997)](https://github.com/Progyan1997): [Feat] MIPS: Support for Syntax Highlight and Basic Colorization [PR #65](https://github.com/microsoft/monaco-languages/pull/65)
* [Sergey Romanov (@Serhioromano)](https://github.com/Serhioromano): [ST] Some updated for Structured Text Language support [PR #66](https://github.com/microsoft/monaco-languages/pull/66)
* [Sebastian Pahnke (@spahnke)](https://github.com/spahnke): [JS/TS] Add support for BigInt [PR #62](https://github.com/microsoft/monaco-languages/pull/62)
* [Javey (@Javey)](https://github.com/Javey): Make it can be compressed by uglify-js [PR #34](https://github.com/microsoft/monaco-typescript/pull/34)
* [Sebastian Pahnke (@spahnke)](https://github.com/spahnke): Add a rename provider [PR #39](https://github.com/microsoft/monaco-typescript/pull/39)
* [@ulrichb](https://github.com/ulrichb): Expose TypeScript version via `monaco.languages.typescript.typeScriptVersion` [PR #31](https://github.com/microsoft/monaco-typescript/pull/31)