514 lines
16 KiB
Markdown
514 lines
16 KiB
Markdown
TBD
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==================
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**Breaking changes:**
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* Renamed some semi-internal debug rpc to be more explicit about their nature:
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* `getGossipSubPeers` is now `debug_getGossipSubPeers`
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* `getChronosFutures` is now `debug_getChronosFutures`
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2021-03-10 v1.0.10
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==================
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This release contains important security and performance improvements.
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-----
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**Upgraded:**
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* We're now running version 0.3.3 of the BLST library:
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https://github.com/supranational/blst/releases/tag/v0.3.3
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* We've switched to a more recent version of BearSSL
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(this version features a more up-to-date list of trusted root certificates)
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* We're now consistent with the v1.0.1 Eth2 spec
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**We've fixed:**
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* A frequent crash occurring on certain hardware configurations after
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building Nimbus from source.
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* Long processing delays triggered by the reception of attestations that
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reference already pruned states.
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* LibP2P peer management issue which led to an accumulation of inactive
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connections.
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* A false-positive in doppelganger detection triggered by rebroadcasted
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older attestations arriving with a significant delay.
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**New features**:
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* A new improved format of the slashing protection database:
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- Significantly reduces the disk load with a large number of validators (1000+).
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- Makes it possible to enhance our doppelganger detection in the future such that
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waiting for 2 epochs before attesting is not necessary.
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To ensure smooth upgrade and emergency rollback between older and future Nimbus
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versions, v1.0.10 will keep track of your attestation in both the old and the
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new format. The extra load should be negligible for home stakers.
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2021-03-09 v1.0.9
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=================
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This version was an internal release candidate build for the 1.0.10 release.
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2021-02-22 v1.0.8
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=================
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This release includes important JSON-RPC stability improvements
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and compatibility fixes, which make it possible to use Nimbus
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as a RocketPool operator.
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-----
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**New features:**
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* RocketPool integration:
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see https://github.com/rocket-pool/smartnode/pull/89
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and https://github.com/rocket-pool/smartnode-install/pull/26/commits/da720acc8f4c1c31c05971748fbc144de1621830
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* Next attestation time displayed on every "Slot end" log message
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(helps you select the best time for restarting the node)
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* libp2p scoring: disconnect from badly performing peers and prioritise
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peers with better latency and throughput.
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**We've fixed:**
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* A rare crash triggered when connecting to a web3 provider using
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a secure web socket.
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* JSON-RPC spec violations and potential DoS attack vectors.
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* Two stale bootstrap node addresses.
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2021-02-04 v1.0.7
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=================
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A release which provides additional protection against accidental slashings
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and further performance improvements across the board.
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-----
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**New features:**
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* New slashing protection mechanism (doppelganger detection) prevents your
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validator from contradicting itself if you have accidentally left it running
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on another machine (see the `--doppelganger-detection` option).
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* Optimized batching of BLS signature verification leading to faster sync
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speeds and reduced CPU load.
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* Further improvements to attestation subnet walking resulting in a reduction
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in both bandwidth and CPU usage.
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* A new `--subscribe-all-subnets` option allowing the node to maintain peers
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from all attestation subnets (most suitable for bootstrap nodes).
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* Official docker images published at https://hub.docker.com/r/statusim/nimbus-eth2
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* Official Windows binaries created from a reproducible build recipe.
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* An option to enable the automatic updating of IP:Port in the ENR
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(off by default, specify `--enr-auto-update:true` to turn it on)
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**We've fixed:**
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* A bug that had the potential to completely halt all syncing activity.
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* Inefficient processing of blocks with Eth1 deposits which occassionally
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led to increased latencies when delivering attestations.
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* Outdated records in our bootstrap nodes list.
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* An Eth1 syncing issue which manifested itself as a "Corrupted deposits
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history detected" error.
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* Non-standard encoding of certain data types such as signatures and bit
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sequences within the results of JSON-RPC requests.
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**We've deprecated:**
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* `make beacon_node` will no longer compile the beacon node.
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You'll need to run `make nimbus_beacon_node` from now on
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* On monday we'll phase out the old `master` branch. If you're still building
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Nimbus from `master`, please switch to `stable`.
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2021-01-10 v1.0.6
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=================
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A release that brings reproducible precompiled binaries for ARM devices and
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significant performance improvements.
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-----
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**New features:**
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* Reproducible build recipe for creating Nimbus Linux binaries intended for
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ARM devices.
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* Improved attestation subnet walking logic: this brings significant reductions
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in bandwidth usage and CPU load.
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* Better usage of the Sqlite3 checkpointing API (minor performance improvement).
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* Larger window for the candidate attestations included in blocks: this can lead
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to higher block rewards.
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**We've fixed:**
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* Incorrect `attnets` value announced in ENR records.
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2021-01-09 v1.0.5
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=================
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The 1.0.5 release was retracted because it included a potential optimization
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to the reproducible build scripts that turned out to create a buggy binary for
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AMD64 systems. Manually built binaries through the Makefiles were not affected.
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After fixing the problem, the release was re-published as 1.0.6 with the same
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release notes.
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2020-12-16 v1.0.4
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=================
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A release bringing further stability improvements and minor performance
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optimisations.
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-----
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**New features:**
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* Nimbus can now be safely shut down with the SIGTERM signal on POSIX systems.
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* New discovery IP limits making theoretic eclipse attack much more costly.
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* A new `make benchmarks` target for obtaining a performance score for your system.
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* Upgrade of the BLST library bringing minor performance improvement.
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**We've fixed:**
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* Gossipsub resource leaks that may reduce the quality of the gossipsub mesh and
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reduce the attestation effectiveness of the client.
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* Incomplete validation of the forwarded attestations that may affect negatively
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the peer score of Nimbus.
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* An issue halting the activity of the Eth1 monitor.
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* The incorrect zero validator balance displayed while the node is syncing.
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* A regression preventing Nimbus to be used with custom testnet metadata files.
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2020-12-09 v1.0.3
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=================
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A release fixing issues that have contributed to Nimbus's lower peer scores
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on the network.
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-----
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**New features:**
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* New metrics tracking the syncing progress of the Eth1 deposit contract
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monitor.
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* A new `web3 test` command for testing the compatibility of a web3 provider
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before using it.
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**We've fixed:**
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* Incorrect timing when sending aggregated attestations.
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* Stale ENR records not taking into account the dynamic attestation subnet
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hopping.
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* An invalid error message produced by the `deposits exit` command (validator
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state unknown).
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2020-12-03 v1.0.2
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=================
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A release that fixes an issue regarding the occasional missed block proposal.
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Proposing a block is arguably the most important duty you have as a validator.
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So it's important you update at your earliest convenience.
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-----
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**New features:**
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* 8 new JSON-RPC calls that bring us to feature parity with the official
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beacon node API.
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**We've fixed:**
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* A deposit merkle proofs generation issue occasionally resulting in missed
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block proposals shortly after a new Eth1 head was selected.
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* Slow status bar updates in the absense of logging messages.
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2020-12-02 v1.0.1
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=================
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A release with a number of important fixes and optimisations.
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**Please update** at your earliest convenience.
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In order to minimise downtime, we recommend updating and rebuilding
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the beacon node **before restarting.**
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-----
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**New features:**
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* More conservative Eth1 syncing requests to reduce the likelihood of
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going over the maximum allowed burst rates under the Infura free plan
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(predominantly aimed at those running Nimbus on resource-restricted
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device like Raspberry Pi's) + more resiliency in case of errors.
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**We've fixed:**
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* A "Only one concurrent read allowed" crash reported by multiple users.
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* An error in the default configuration preventing the node from discovering
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peers on mainnet unless the `--network=mainnet` flag was passed. Please note
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that this not affect users starting their node with the `./run-mainnet-beacon-node`
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command.
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* The fractional part of the ETH balance in the Nimbus status bar
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(the value displayed should now be correct).
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* An issue that occasionally caused the Eth1 syncing process to get stuck
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before reaching the head of the chain.
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* Unnecessary network traffic related to GossipSub `IHAVE`.
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* Incorrect gossipsub pruning which occasionally resulted in messages
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getting lost.
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* An issue where an excessively long graffiti string could cause a crash on
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startup.
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* A Linux-only issue that resulted in the `deposits import` command ignoring
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its supplied arguments.
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2020-11-29 v1.0.0-stateofus
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===========================
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As promised, a slightly more polished release before Mainnet launch ✨
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Please make sure you update to this release before Eth2 genesis this
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Tuesday (December 1 12:00:23 UTC), as it contains some important improvements.
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-----------------
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**New features:**
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* Updated list of bootstrap nodes for Mainnet.
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* Prometheus metrics for validator balances. The beacon node will also
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display the total balance of all attached validators in the status
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footer by default.
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* `deposits import` now automagically finds the `validator_keys` directory
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produced by the `eth2.0-deposit-cli` if it is located in the same working
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directory.
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* A `deposits exit` command for submitting a voluntary validator exit.
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* A `record` CLI command for inspecting and creating ENR records.
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* An `--agent-string` option for specifying how Nimbus will present itself
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in LibP2P messages. The default value is now `nimbus`.
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* New RPC calls to track node and config status. Specifically, a JSON-RCP
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call for inspecting the active config preset (`get_v1_config_spec`).
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**We've fixed:**
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* Inaccurate peer counts (an occasional mismatch between the number of
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syncing peers and GossipSub peers) -- the default peer limit has been
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increased to maintain a healthy gossip mesh.
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* High bandwidth usage of GossipSub (due to sub-optimal caching and lack
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of limits in the IWANT/IHAVE exchange messages) -- we're now using the
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latest spec GossipSub parameters.
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* High sync memory footprint -- we've reduced the number of sync workers
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from 20 to 10 (note, this should not affect sync speed).
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2020-11-25 v1.0.0-rc1
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=====================
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We're happy to join the other client teams in announcing our `v1.0.0` release
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candidate with support for Mainnet ✨
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You can use this release/binary to set up your rig and monitoring for Eth2
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genesis next Tuesday (*December 1 12:00:23 UTC*).
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> **N.B.** There will be at least one more release, before December 1st.
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> In particular, **we are planning a more polished release for Sunday** which
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> will act as a drop-in replacement for this release candidate.
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Don't worry if your peer count appears low at first -- It should increase as
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more validators connect to Mainnet.
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-----------------
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**Highlights include:**
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* The addition of a deposit contract "state snapshot" to network metadata.
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This allows the client to skip syncing deposits made prior to the snapshot.
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* A much faster startup time. We've removed the deposits table from the database,
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which means the client no longer needs to process all deposits on start-up.
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* The Eth1 monitor no longer starts if the beacon node has zero validators attached to it.
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* The genesis detection code is now optional and disabled by default.
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* An RPC call to get Chronos futures at runtime.
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* Eth2 spec gossip parameters.
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**We've fixed:**
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* A database corruption issue affecting Pyrmont nodes.
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* Unnecessary copy/memory alloc when loading DbSeq entries.
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* A block production issue affecting clients that hadn't finished downloading the latest deposits.
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2020-11-20 v0.6.6
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=================
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**New features:**
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* New RPC APIs for inspecting the internal state of the Eth1 monitor.
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**We've fixed:**
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* A fork-choice issue causing Nimbus to get stuck on a particular slot.
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* A logic error causing Nimbus to vote for an incorrect Eth1 block.
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* A crash during initialization when the web3 provider is refusing
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to serve data (e.g. due to exceeded request quota).
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2020-11-17 v0.6.4
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=================
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**New features:**
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* Support for the Pyrmont testnet.
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* The PCRE library is no longer necessary for building Nimbus.
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* Sensitive files such as keystores are now accessible only to the
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user of the beacon node on POSIX systems (the group rights have
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been dropped).
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**We've fixed:**
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* An issue preventing blocks to be downloaded when the client goes
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out of sync.
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* Resource leaks that may lead to reduction of network activity due
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to a build-up of malfunctioning peer connections.
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2020-11-12 v0.6.2
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=================
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A bugfix release addressing issues discovered in the Toledo network.
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**New features:**
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* GossipSub 1.1
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* The beacon node status bar (footer) now contains a
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time-left-until-synced estimate.
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* A JSON-RPC method `setLogLevel` for dynamically changing the
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log level of selected components at run-time.
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* The ability to launch Nimbus with a partially-synced Geth node.
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**We've fixed:**
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* A bug preventing the node from proposing blocks when connected
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to a web3 provider
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* An invalid "corrupted database" error message appearing on start-up
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* Incorrectly set message-ids in gossip message causing other clients
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to penalise and potentially disconnect our nodes from the network.
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* An issue occuring when Nimbus is paired with a Geth node
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that is not fully synced.
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2020-11-09 Hope (v0.6.0)
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========================
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`Nimbus eth2` 0.6.0 was the first externally audited and stable release
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of our beacon node software. When compared to the 0.5x series, it features
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significant reductions in storage and memory requirements, a faster sync
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speed, and a plethora of usability and security enhancements across the
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board. Under normal network conditions, the delivery rate of attestations
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and block proposals is expected to be above 99%. Going forward, our release
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schedule will start to accelerate, with multiple new releases expected before
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the Eth2 mainnet launch.
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**Changelog highlights include:**
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* Full support for the 1.0 Eth2 phase0 spec and the monitoring of the
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mainnet validator deposit contract.
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* LibP2P and GossipSub fixes which drastically improve the delivery of
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attestations and blocks (nearly 100% expected rate of delivery).
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* Fixes for all major resource leaks: you no longer need to restart your
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node to improve its performance.
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* Efficient caching and storage mechanisms: ensures our memory consumption
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remains comparatively low both during smooth and turbulent network conditions.
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* Several storage and networking optimisations leading to an order of magnitude
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improvement in beacon chain sync speed.
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* Audits to our codebase by ConsenSys Diligence, NCC Group and Trail of Bits.
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More than 60 of the security findings have already been addressed.
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The remaining items will be resolved before mainnet launch.
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* Support for pairing with a locally running Geth instance to allow for
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decentralised monitoring of the validator deposit contract.
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* An extensive user guide for managing the beacon node.
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* Slashing protection mechanisms + database.
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* Support for storing the validator signing keys in a separate process, isolated
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from the network, with a minimal attack surface.
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