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Note: Parity 1.3 reached End-of-Life on 2017-01-19 (EOL).

Parity v1.3.15 (2016-12-10)

This patch release fixes an issue with syncing on the Ropsten test network.

Backporting to stable #3793

Parity v1.3.14 (2016-11-25)

Parity 1.3.14 fixes a few stability issues and adds support for the Ropsten testnet.

Backporting to stable #3616

Parity v1.3.13 (2016-11-18)

This release fixes an issue with EIP-155 transactions being allowed into the transaction pool.

[stable] Check tx signatures before adding to the queue. #3521
Fix Stable Docker Build #3479

Parity v1.3.12 (2016-11-16)

This stable release enables EIP-155/160/161/170 hardfork at block 2675000 (1885000 for test network).

[stable] EIP-170 #3462
#3035 Backport to stable #3441

Parity v1.3.11 (2016-11-11)

This is a maintenance release for the stable series to delay the EIP-155/160/161 hard fork transition. Update from 1.3.10 is mandatory. It also deprecates and disables the old Parity UI.

[stable] Disable HF and UI #3372
[stable] EIP-155 update with Vitalik's new test vectors (#3166) #3190
Backport EIP-150 to stable #2672
Create gitlab-ci.yml for stable #2517

Parity v1.3.10 (2016-11-04)

The latest 1.3 series release, now considered stable.

This includes several additional optimisations and fixes together with provisional support for the upcoming hard fork for EIP155/160/161.

Stable branch reset to 1.3.10 #3156
Backporting to beta #3149
apply post-consolidation migrations after consolidating (BETA) #3048
[beta] Fix the brainwallet functionality. (#2994) #3005
Bumping json-ipc-server #2989
Backports for 1.3.10 #2987

Parity v1.3.9 (2016-10-21)

This release enables EIP-150 hard fork for Ethereum Classic chain and resolves a few stability and performance issues, such as:

Interrupted syncing on the test network.
Block import delays caused by a large number of incoming transactions. A full re-sync is recommended for performance improvement to take effect.

Full changes:

[beta] Resolve morden fork #2776
Fixing botched merge #2767
Backports for beta #2764
Introduce EIP150 hardfork block for ETC #2736
[beta] fix issues with no test dir present (#2659) #2724
[beta] Bumping jsonrpc-http-server #2715
[beta] Fix migration system, better errors #2661

Parity v1.3.8 (2016-10-15)

Parity 1.3.8 is our EIP150 hard-fork compliant release.

Running this will enact a mild change of the protocol at block number 2,463,000 which should occur on Tuesday 18th October 2016 at approximately 12:20 London time (BST). This change alters the gas prices for a number of operations, mainly centring around i/o intensive Merkle trie lookups (BALANCE, EXTCODESIZE &c.) and state-trie polluters (SUICIDE, CREATE and CALL). These operations were heavily underpriced, an oversight which lead to the recent degradation of network service. The full details of the alteration are specified in EIP-150.

Additionally several issues have been fixed including:

a transaction queue limitation leading to dropped transactions;
a synchronisation issue leading to stalls when syncing;

And some small features including database performance improvements and additional logging.

Upgrading private chain specification files.

All the chain specification files now have EIP-150 rules enabled by default. To continue using the chain add the eip150Transition key under Engine/ethash/params and set it to a future transition block as shown in this example.

The key related to homestead transition has been renamed from frontierCompatibilityModeLimit to homesteadTransition.

Full changes

[beta] EIP150.1c #2599
Remove count limit for local transactions #2634
Tweak DB and mining defaults #2598
Revert "Bloom upgrade in beta" #2635
Bloom upgrade in beta #2609
Backports to beta #2628

Parity v1.3.7 (2016-10-12)

This release contains fixes to reduce memory usage under the DoS attack and improve transaction relay.

Configurable history size in beta #2587
Backports to beta #2592

Parity v1.3.6 (2016-10-11)

Parity 1.3.6 is another hotfix release to address transaction spam and deal with stability issues. With this release transaction pool gas limit no longer applies to local transactions. Full list of changes is available here:

Backports to beta v1.3.6 #2571
Use global state cache when mining #2529
Transaction queue limited by gas #2528

Parity v1.3.5 (2016-10-08)

1.3.5 is a hotfix release for the transaction propagation issue. Transaction pool limit is now calculated based on the block gas limit.

Update appveyor rustc [beta] #2521
Increase size of transaction queue by default #2519

Parity v1.3.4 (2016-10-07)

Parity 1.3.4 release contains more optimizations to internal caching as well as stability improvements.

It also introduces an ability for miners to choose a transaction ordering strategy:

--tx-queue-strategy S    Prioritization strategy used to order transactions
                         in the queue. S may be:
                         gas - Prioritize txs with low gas limit;
                         gas_price - Prioritize txs with high gas price;
                         gas_factor - Prioritize txs using gas price
                         and gas limit ratio [default: gas_factor].

Backport to beta #2518
[beta] Fixing RPC Filter conversion to EthFilter #2501
[beta] Using pending block only if is not old #2515
Backports into beta #2512
CLI to specify queue ordering strategy #2494
Fix ethstore opening all key files in the directory at once (BETA) #2472
Beta backports #2465
IPC-library dependency fork & bump for beta #2455

Parity v1.3.3 (2016-10-04)

1.3.3 is another hotfix release for the DoS attack

Jumptable cache #2435
fix broken beta compilation (backport to beta) #2414
Run inplace upgrades after version update #2411

Parity v1.3.2 (2016-09-29)

This is a hotfix release to address stability and performance issues uncovered during the network DoS attack. Full list of changes is available here

Beta Backports #2396
Fixing penalization in future #2493
A quick fix for missing tree route blocks #2400
Cache the fork block header after snapshot restoration #2391
correct sync memory usage calculation (BETA) #2386
Accounts bloom #2357
Disable colors when generating signer token. #2379
Fixing jit feature compilation #2376
Clear state cache on sealed block import #2377
DIV optimization (beta) #2353
Canonical state cache #2308
Reorder transaction_by_hash to favour canon search #2331
Lenient bytes deserialization #2340
Penalize transactions with gas above gas limit #2271
Peek transaction queue via RPC #2270
Handle RLP to string UTF-8 decoding errors (#2217) #2226
Fixing compilation without default features [beta] #2207
Avoid cloning clean stuff [beta backport] #2173
v1.3.2 in beta #2200

Parity v1.3.1 (2016-09-11)

1.3.1 includes many bugfixes. Critical ones:

Chain reorganisation fix Transaction receipts / traces were sometimes linked with incorrect block hash. Fixed in a9587f8965
Trace overflow fix Overflow which occurred during tracing. Fixed in https://github.com/paritytech/parity/pull/1979
Backports to beta #2068
Fixing serde overflow error (#1977) #2030
Simplified db pruning detection in beta #1924
Backports to beta #1919

Parity v1.3.0: "Acuity" (2016-08-12)

As well as many bug fixes, 1.3.0 includes a number of important improvements including:

Optimisations Heavily optimised block/transaction processing core - up to 2x faster than 1.2 series.
Database compression Databases take as much as 30% less storage than before.
State snapshotting An installation synchronised from scratch in 1-2 minutes can be made after downloading the 140MB state snapshot. See the wiki for more information.
Process isolation The networking/chain-synchronisation is now a fully independent process.

Incremental improvements include:

Additional RPCs for transaction tracing, state diffing, VM tracing, asynchronous transaction posting, accounts metadata and message signing.
Improved logging, including for chain reorganisations.
Added a --fast-and-loose option for additional speed-ups which can compromise integrity on a dirty shutdown.
Column families to ensure maximal inter-database integrity.
Key naming includes date/time of creation.
Various improvements to networking robustness and performance.
Solidity compilation supported through RPC if solc is available.
Various improvements to the miner including HTTP push work notification.