# 2021-06-14 Engineering Update

**URL:** <https://gov.near.org/t/2021-06-14-engineering-update/2896>\
**Category:** Engineering Updates\
**Tags:** weekly-updates\
**Created:** [June 14, 2021, 7:05pm UTC](https://gov.near.org/t/2021-06-14-engineering-update/2896 "2021-06-14T19:05:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![nearmax](https://dub1.discourse-cdn.com/flex005/user_avatar/gov.near.org/nearmax/32/13344_2.png) [@nearmax](https://gov.near.org/u/nearmax)\
**Post date:** [June 14, 2021, 7:05pm UTC](https://gov.near.org/t/2021-06-14-engineering-update/2896/1 "2021-06-14T19:05:46Z")

</div>

**Meta**

If you are a team/person working on NEAR components and you want your progress updates to be included into the weekly update, please send your updates to `eng-updates@near.org` .

# CORE

## [Node Interfaces](https://github.com/near/nearcore/discussions/4361)

- Check out documentation on [running a node from the backup](https://docs-pr-720.onrender.com/docs/develop/node/validator/running-a-node#starting-a-node-from-backup)!
- In the past we had an issue with hash collisions, read [how we decided to address processing this historic data with indexer](https://github.com/near/near-indexer-for-explorer/issues/84#issuecomment-857615497). Also see [the post-mortem](https://github.com/near/docs/pull/746);
- [Receipts are now exposed in block info page](https://explorer.near.org/blocks/6oaRKR6KjvaPYyNgkEhpybb5kmUDjrnxwvgtxtuZsrWN);

## [Node Experience](https://github.com/near/community/discussions/62)

- First meeting of this team!
- We revamped docs on running a node, e.g. see [Types of Nodes page](https://docs.near.org/docs/develop/node/intro/types-of-node);
- Check out [Node Experience project board](https://github.com/orgs/near/projects/18)!

## [Developer Platform](https://github.com/near/community/discussions/63)

- [near-contracts-standards v.3.1.1](https://crates.io/crates/near-contract-standards) is released!
- [near-cli v2.0.2 is published](https://github.com/near/near-cli/releases/tag/v2.0.2), it fixes some bugs with deprecated methods;
- [Tons of updates for the docs](https://github.com/near/docs/commits?author=thisisjoshford&since=2021-06-01&until=2021-06-11)!

## [Transaction Runtime + Chain](https://github.com/near/community/blob/master/meetings/chain-wg.md#june-14th-2021)

- We’ve been preparing [Math API](https://github.com/near/nearcore/pull/3954) to accelerate EVM execution;
- Parallelization of the runtime is underway;
  - This is relevant to [Applying chunks for different shards is 90% parallel](https://airtable.com/shrTHFENBV3N65s7t) key result;

## [Contract Runtime](https://github.com/near/community/blob/master/meetings/contract-runtime-wg.md#10062021)

- Check out [the post on using LLVM for contracts](http://gov.near.org/t/on-running-some-wasm-contracts-with-llvm-specifically-for-evm/2869);
- We are benchmarking our migration code to understand our fees better;

# [AURORA](http://gov.near.org/t/aurora-update-2021-06-11/2895)

- Automatic finalization of ERC-20 transfers is working on [https://ropsten.bridgetonear.org/](https://ropsten.bridgetonear.org/) !
- Check out [the new blog post on how the Bridge works](https://aurora.dev/blog/2021-how-the-rainbow-bridge-works)!
- Check out [Hardhat tutorial](https://doc.aurora.dev/develop/start/hardhat)!