<commit_before># Node.js Buildpack Changelog

## master
- display yarn engine log to build output when engine is provided in monorepo ([#771](https://github.com/heroku/heroku-buildpack-nodejs/pull/771))
- move proxy issues section from readme to dev center ([#778](https://github.com/heroku/heroku-buildpack-nodejs/pull/778))
- warn when NO_PROXY is not set to "amazonaws.com" and HTTP_PROXY or HTTPS_PROXY is set ([#782](https://github.com/heroku/heroku-buildpack-nodejs/pull/782))
- add heroku cleanup script ([#788](https://github.com/heroku/heroku-buildpack-nodejs/pull/788))
- add a build step for cleanup script and output to log file ([#790](https://github.com/heroku/heroku-buildpack-nodejs/pull/790))

## v171 (2020-04-27)<commit_msg>move latest changes to v172<commit_after># Node.js Buildpack Changelog

## master

## v172 (2020-05-28)
- display yarn engine log to build output when engine is provided in monorepo ([#771](https://github.com/heroku/heroku-buildpack-nodejs/pull/771))
- move proxy issues section from readme to dev center ([#778](https://github.com/heroku/heroku-buildpack-nodejs/pull/778))
- warn when NO_PROXY is not set to "amazonaws.com" and HTTP_PROXY or HTTPS_PROXY is set ([#782](https://github.com/heroku/heroku-buildpack-nodejs/pull/782))
- add heroku cleanup script ([#788](https://github.com/heroku/heroku-buildpack-nodejs/pull/788))
- add a build step for cleanup script and output to log file ([#790](https://github.com/heroku/heroku-buildpack-nodejs/pull/790))

## v171 (2020-04-27)
{'fraction_non_alphanumeric': 0.14323258869908015, 'fraction_numerical': 0.06307490144546649, 'mean_word_length': 4.7908745247148286, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 10, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1396676', 'n_tokens_mistral': 579, 'n_tokens_neox': 514, 'n_words': 133}