* (modules) [\#4665](https://github.com/cosmos/cosmos-sdk/issues/4665) Refactored `x/gov` module structure and dev-UX:
* Prepare for module spec integration
* Update gov keys to use big endian encoding instead of little endian
* (rest) [\#4783](https://github.com/cosmos/cosmos-sdk/issues/4783) The balance field in the DelegationResponse type is now sdk.Coin instead of sdk.Int
### Features
* (store) [\#4724](https://github.com/cosmos/cosmos-sdk/issues/4724) Multistore supports substore migrations upon load. New `rootmulti.Store.LoadLatestVersionAndUpgrade` method in
`Baseapp` supports `StoreLoader` to enable various upgrade strategies. It no
longer panics if the store to load contains substores that we didn't explicitly mount.
### Improvements
* (modules) [\#4762](https://github.com/cosmos/cosmos-sdk/issues/4762) Deprecate remove and add permissions in ModuleAccount.
* (modules) [\#4760](https://github.com/cosmos/cosmos-sdk/issues/4760) update `x/auth` to match module spec.
* (modules) [\#4814](https://github.com/cosmos/cosmos-sdk/issues/4814) Add security contact to Validator description.
* (sdk) [\#4566](https://github.com/cosmos/cosmos-sdk/issues/4566) Export simulation's parameters and app state to JSON in order to reproduce bugs and invariants.
* (sdk) [\#4640](https://github.com/cosmos/cosmos-sdk/issues/4640) improve import/export simulation errors by extending `DiffKVStores` to return an array of `KVPairs` that are then compared to check for inconsistencies.
* (sdk) [\#4717](https://github.com/cosmos/cosmos-sdk/issues/4717) refactor `x/slashing` to match the new module spec
* (sdk) [\#4758](https://github.com/cosmos/cosmos-sdk/issues/4758) update `x/genaccounts` to match module spec
* (simulation) [\#4824](https://github.com/cosmos/cosmos-sdk/issues/4824) PrintAllInvariants flag will print all failed invariants
* (simulation) [\#4490](https://github.com/cosmos/cosmos-sdk/issues/4490) add `InitialBlockHeight` flag to resume a simulation from a given block
* Support exporting the simulation stats to a given JSON file
* (store) [\#4792](https://github.com/cosmos/cosmos-sdk/issues/4792) panic on non-registered store
* (types) [\#4821](https://github.com/cosmos/cosmos-sdk/issues/4821) types/errors package added with support for stacktraces. It is meant as a more feature-rich replacement for sdk.Errors in the mid-term.
### Bug Fixes
* (cli) [\#4763](https://github.com/cosmos/cosmos-sdk/issues/4763) Fix flag `--min-self-delegation` for staking `EditValidator`
* [\#3775](https://github.com/cosmos/cosmos-sdk/issues/3775) unify sender transaction tag for ease of querying
* [\#4255](https://github.com/cosmos/cosmos-sdk/issues/4255) Add supply module that passively tracks the supplies of a chain
- Renamed `x/distribution``ModuleName`
- Genesis JSON and CLI now use `distribution` instead of `distr`
- Introduce `ModuleAccount` type, which tracks the flow of coins held within a module
- Replaced `FeeCollectorKeeper` for a `ModuleAccount`
- Replaced the staking `Pool`, which coins are now held by the `BondedPool` and `NotBonded` module accounts
- The `NotBonded` module account now only keeps track of the not bonded tokens within staking, instead of the whole chain
- [\#3628](https://github.com/cosmos/cosmos-sdk/issues/3628) Replaced governance's burn and deposit accounts for a `ModuleAccount`
- Added a `ModuleAccount` for the distribution module
- Added a `ModuleAccount` for the mint module
[\#4472](https://github.com/cosmos/cosmos-sdk/issues/4472) validation for crisis genesis
* [\#3985](https://github.com/cosmos/cosmos-sdk/issues/3985) `ValidatorPowerRank` uses potential consensus power instead of tendermint power
* [\#4104](https://github.com/cosmos/cosmos-sdk/issues/4104) Gaia has been moved to its own repository: https://github.com/cosmos/gaia
* [\#4104](https://github.com/cosmos/cosmos-sdk/issues/4104) Rename gaiad.toml to app.toml. The internal contents of the application
config remain unchanged.
* [\#4159](https://github.com/cosmos/cosmos-sdk/issues/4159) create the default module patterns and module manager
* [\#4230](https://github.com/cosmos/cosmos-sdk/issues/4230) Change the type of ABCIMessageLog#MsgIndex to uint16 for proper serialization.
* [\#4250](https://github.com/cosmos/cosmos-sdk/issues/4250) BaseApp.Query() returns app's version string set via BaseApp.SetAppVersion()
when handling /app/version queries instead of the version string passed as build
flag at compile time.
* [\#4262](https://github.com/cosmos/cosmos-sdk/issues/4262) GoSumHash is no longer returned by the version command.
* [\#4263](https://github.com/cosmos/cosmos-sdk/issues/4263) RestServer#Start now takes read and write timeout arguments.
* [\#4305](https://github.com/cosmos/cosmos-sdk/issues/4305) `GenerateOrBroadcastMsgs` no longer takes an `offline` parameter.
* [\#4342](https://github.com/cosmos/cosmos-sdk/pull/4342) Upgrade go-amino to v0.15.0
* [\#4351](https://github.com/cosmos/cosmos-sdk/issues/4351) InitCmd, AddGenesisAccountCmd, and CollectGenTxsCmd take node's and client's default home directories as arguments.
* [\#4387](https://github.com/cosmos/cosmos-sdk/issues/4387) Refactor the usage of tags (now called events) to reflect the
- Refactor tags in favor of new `Event(s)` type(s)
- Update `Context` to use new `EventManager`
- (Begin|End)Blocker no longer return tags, but rather uses new `EventManager`
- Message handlers no longer return tags, but rather uses new `EventManager`
Any component (e.g. BeginBlocker, message handler, etc...) wishing to emit an event must do so
through `ctx.EventManger().EmitEvent(s)`.
To reset or wipe emitted events: `ctx = ctx.WithEventManager(sdk.NewEventManager())`
To get all emitted events: `events := ctx.EventManager().Events()`
* [\#4437](https://github.com/cosmos/cosmos-sdk/issues/4437) Replace governance module store keys to use `[]byte` instead of `string`.
* [\#4451](https://github.com/cosmos/cosmos-sdk/issues/4451) Improve modularization of clients and modules:
* Module directory structure improved and standardized
* Aliases autogenerated
* Auth and bank related commands are now mounted under the respective moduels
* Client initialization and mounting standardized
* [\#4479](https://github.com/cosmos/cosmos-sdk/issues/4479) Remove codec argument redundency in client usage where
the CLIContext's codec should be used instead.
* [\#4488](https://github.com/cosmos/cosmos-sdk/issues/4488) Decouple client tx, REST, and ultil packages from auth. These packages have
been restructured and retrofitted into the `x/auth` module.
* [\#4521](https://github.com/cosmos/cosmos-sdk/issues/4521) Flatten x/bank structure by hiding module internals.
* [\#4525](https://github.com/cosmos/cosmos-sdk/issues/4525) Remove --cors flag, the feature is long gone.
* [\#4536](https://github.com/cosmos/cosmos-sdk/issues/4536) The `/auth/accounts/{address}` now returns a `height` in the response.
The account is now nested under `account`.
* [\#4543](https://github.com/cosmos/cosmos-sdk/issues/4543) Account getters are no longer part of client.CLIContext() and have now moved
to reside in the auth-specific AccountRetriever.
* [\#4588](https://github.com/cosmos/cosmos-sdk/issues/4588) Context does not depend on x/auth anymore. client/context is stripped out of the following features:
- GetAccountDecoder()
- CLIContext.WithAccountDecoder()
- CLIContext.WithAccountStore()
x/auth.AccountDecoder is unnecessary and consequently removed.
* [\#4602](https://github.com/cosmos/cosmos-sdk/issues/4602) client/input.{Buffer,Override}Stdin() functions are removed. Thanks to cobra's new release they are now redundant.
* [\#4633](https://github.com/cosmos/cosmos-sdk/issues/4633) Update old Tx search by tags APIs to use new Events
nomenclature.
* [\#4649](https://github.com/cosmos/cosmos-sdk/issues/4649) Refactor x/crisis as per modules new specs.
* [\#3685](https://github.com/cosmos/cosmos-sdk/issues/3685) The default signature verification gas logic (`DefaultSigVerificationGasConsumer`) now specifies explicit key types rather than string pattern matching. This means that zones that depended on string matching to allow other keys will need to write a custom `SignatureVerificationGasConsumer` function.
* [\#4663](https://github.com/cosmos/cosmos-sdk/issues/4663) Refactor bank keeper by removing private functions
-`InputOutputCoins`, `SetCoins`, `SubtractCoins` and `AddCoins` are now part of the `SendKeeper` instead of the `Keeper` interface
* (tendermint) [\#4721](https://github.com/cosmos/cosmos-sdk/pull/4721) Upgrade Tendermint to v0.32.1
### Features
* [\#4843](https://github.com/cosmos/cosmos-sdk/issues/4843) Add RegisterEvidences function in the codec package to register
Tendermint evidence types with a given codec.
* (rest) [\#3867](https://github.com/cosmos/cosmos-sdk/issues/3867) Allow querying for genesis transaction when height query param is set to zero.
* [\#2020](https://github.com/cosmos/cosmos-sdk/issues/2020) New keys export/import command line utilities to export/import private keys in ASCII format
that rely on Keybase's new underlying ExportPrivKey()/ImportPrivKey() API calls.
* [\#4318](https://github.com/cosmos/cosmos-sdk/issues/4318) Support height queries. Queries against nodes that have the queried
height pruned will return an error.
* [\#4409](https://github.com/cosmos/cosmos-sdk/issues/4409) Implement a command that migrates exported state from one version to the next.
The `migrate` command currently supports migrating from v0.34 to v0.36 by implementing
necessary types for both versions.
* [\#4570](https://github.com/cosmos/cosmos-sdk/issues/4570) Move /bank/balances/{address} REST handler to x/bank/client/rest. The exposed interface is unchanged.
* Community pool spend proposal per Cosmos Hub governance proposal [\#7](https://github.com/cosmos/cosmos-sdk/issues/7) "Activate the Community Pool"
### Improvements
* (simulation) PrintAllInvariants flag will print all failed invariants
* (simulation) Add `InitialBlockHeight` flag to resume a simulation from a given block
* (simulation) [\#4670](https://github.com/cosmos/cosmos-sdk/issues/4670) Update simulation statistics to JSON format
- Support exporting the simulation stats to a given JSON file
* [\#4775](https://github.com/cosmos/cosmos-sdk/issues/4775) Refactor CI config
* Upgrade IAVL to v0.12.4
* (tendermint) Upgrade Tendermint to v0.32.2
* (modules) [\#4751](https://github.com/cosmos/cosmos-sdk/issues/4751) update `x/genutils` to match module spec
* (keys) [\#4611](https://github.com/cosmos/cosmos-sdk/issues/4611) store keys in simapp now use a map instead of using individual literal keys
* [\#2286](https://github.com/cosmos/cosmos-sdk/issues/2286) Improve performance of CacheKVStore iterator.
* [\#3512](https://github.com/cosmos/cosmos-sdk/issues/3512) Implement Logger method on each module's keeper.
* [\#4466](https://github.com/cosmos/cosmos-sdk/issues/4466) Commission validation added to validate basic of MsgCreateValidator by changing CommissionMsg to CommissionRates
* [\#4501](https://github.com/cosmos/cosmos-sdk/issues/4501) Support height queriers in rest client
* [\#4535](https://github.com/cosmos/cosmos-sdk/issues/4535) Improve import-export simulation errors by decoding the `KVPair.Value` into its
respective type
* [\#4536](https://github.com/cosmos/cosmos-sdk/issues/4536) cli context queries return query height and accounts are returned with query height
* [\#4553](https://github.com/cosmos/cosmos-sdk/issues/4553) undelegate max entries check first
* [\#4556](https://github.com/cosmos/cosmos-sdk/issues/4556) Added IsValid function to Coin
* [\#4564](https://github.com/cosmos/cosmos-sdk/issues/4564) client/input.GetConfirmation()'s default is changed to No.
* [\#4573](https://github.com/cosmos/cosmos-sdk/issues/4573) Returns height in response for query endpoints.
* [\#4580](https://github.com/cosmos/cosmos-sdk/issues/4580) Update `Context#BlockHeight` to properly set the block height via `WithBlockHeader`.
* [\#4584](https://github.com/cosmos/cosmos-sdk/issues/4584) Update bank Keeper to use expected keeper interface of the AccountKeeper.
* [\#4584](https://github.com/cosmos/cosmos-sdk/issues/4584) Move `Account` and `VestingAccount` interface types to `x/auth/exported`.
* [\#4082](https://github.com/cosmos/cosmos-sdk/issues/4082) supply module queriers for CLI and REST endpoints
* [\#4601](https://github.com/cosmos/cosmos-sdk/issues/4601) Implement generic pangination helper function to be used in
REST handlers and queriers.
* [\#4629](https://github.com/cosmos/cosmos-sdk/issues/4629) Added warning event that gets emitted if validator misses a block.
* [\#4674](https://github.com/cosmos/cosmos-sdk/issues/4674) Export `Simapp` genState generators and util functions by making them public
A bit more verbose, but also allows `context.WithTimeout()`, etc and only used
in one function in this repo, in test code.
* [\#3685](https://github.com/cosmos/cosmos-sdk/issues/3685) Add `SetAddressVerifier` and `GetAddressVerifier` to `sdk.Config` to allow SDK users to configure custom address format verification logic (to override the default limitation of 20-byte addresses).
* [\#3685](https://github.com/cosmos/cosmos-sdk/issues/3685) Add an additional parameter to NewAnteHandler for a custom `SignatureVerificationGasConsumer` (the default logic is now in `DefaultSigVerificationGasConsumer). This allows SDK users to configure their own logic for which key types are accepted and how those key types consume gas.
* Remove `--print-response` flag as it is no longer used.
* Revert [\#2284](https://github.com/cosmos/cosmos-sdk/pull/2284) to allow create_empty_blocks in the config
* (tendermint) [\#4718](https://github.com/cosmos/cosmos-sdk/issues/4718) Upgrade tendermint/iavl to v0.12.3
### Bug Fixes
* [\#4891](https://github.com/cosmos/cosmos-sdk/issues/4891) Disable querying with proofs enabled when the query height <= 1.
* (rest) [\#4858](https://github.com/cosmos/cosmos-sdk/issues/4858) Do not return an error in BroadcastTxCommit when the tx broadcasting
was successful. This allows the proper REST response to be returned for a
failed tx during `block` broadcasting mode.
* (store) [\#4880](https://github.com/cosmos/cosmos-sdk/pull/4880) Fix error check in
IAVL `Store#DeleteVersion`.
* (tendermint) [\#4879](https://github.com/cosmos/cosmos-sdk/issues/4879) Don't terminate the process immediately after startup when run in standalone mode.
by using CLI flags as input and updating Makefile target.
* [\#4868](https://github.com/cosmos/cosmos-sdk/issues/4868) Context#CacheContext now sets a new EventManager. This prevents unwanted events
from being emitted.
* (cli) [\#4870](https://github.com/cosmos/cosmos-sdk/issues/4870) Disable the `withdraw-all-rewards` command when `--generate-only` is supplied
* (modules) [\#4831](https://github.com/cosmos/cosmos-sdk/issues/4831) Prevent community spend proposal from transferring funds to a module account
* (keys) [\#4338](https://github.com/cosmos/cosmos-sdk/issues/4338) fix multisig key output for CLI
* (modules) [\#4795](https://github.com/cosmos/cosmos-sdk/issues/4795) restrict module accounts from receiving transactions.
Allowing this would cause an invariant on the module account coins.
* (modules) [\#4823](https://github.com/cosmos/cosmos-sdk/issues/4823) Update the `DefaultUnbondingTime` from 3 days to 3 weeks to be inline with documentation.
* (abci) [\#4639](https://github.com/cosmos/cosmos-sdk/issues/4639) Fix `CheckTx` by verifying the message route
* Return height in responses when querying against BaseApp
* [\#3705](https://github.com/cosmos/cosmos-sdk/issues/3705) Return `[]` instead of `null` when querying delegator rewards.
* [\#3966](https://github.com/cosmos/cosmos-sdk/issues/3966) fixed multiple assigns to action tags
[\#3793](https://github.com/cosmos/cosmos-sdk/issues/3793) add delegator tag for MsgCreateValidator and deleted unused moniker and identity tags
* [\#4194](https://github.com/cosmos/cosmos-sdk/issues/4194) Fix pagination and results returned from /slashing/signing_infos
* [\#4230](https://github.com/cosmos/cosmos-sdk/issues/4230) Properly set and display the message index through the TxResponse.
* [\#4234](https://github.com/cosmos/cosmos-sdk/pull/4234) Allow `tx send --generate-only` to
actually work offline.
* [\#4271](https://github.com/cosmos/cosmos-sdk/issues/4271) Fix addGenesisAccount by using Coins#IsAnyGT for vesting amount validation.
* [\#4273](https://github.com/cosmos/cosmos-sdk/issues/4273) Fix usage of AppendTags in x/staking/handler.go
* [\#4303](https://github.com/cosmos/cosmos-sdk/issues/4303) Fix NewCoins() underlying function for duplicate coins detection.
* [\#4307](https://github.com/cosmos/cosmos-sdk/pull/4307) Don't pass height to RPC calls as
Tendermint will automatically use the latest height.
* [\#4362](https://github.com/cosmos/cosmos-sdk/issues/4362) simulation setup bugfix for multisim 7601778
* [\#4383](https://github.com/cosmos/cosmos-sdk/issues/4383) - currentStakeRoundUp is now always atleast currentStake + smallest-decimal-precision
* [\#4394](https://github.com/cosmos/cosmos-sdk/issues/4394) Fix signature count check to use the TxSigLimit param instead of
a default.
* [\#4455](https://github.com/cosmos/cosmos-sdk/issues/4455) Use `QueryWithData()` to query unbonding delegations.
* [\#4493](https://github.com/cosmos/cosmos-sdk/issues/4493) Fix validator-outstanding-rewards command. It now takes as an argument
a validator address.
* [\#4598](https://github.com/cosmos/cosmos-sdk/issues/4598) Fix redelegation and undelegation txs that were not checking for the correct bond denomination.
* [\#4619](https://github.com/cosmos/cosmos-sdk/issues/4619) Close iterators in `GetAllMatureValidatorQueue` and `UnbondAllMatureValidatorQueue`
methods.
* [\#4654](https://github.com/cosmos/cosmos-sdk/issues/4654) validator slash event stored by period and height
* [\#4681](https://github.com/cosmos/cosmos-sdk/issues/4681) panic on invalid amount on `MintCoins` and `BurnCoins`
* [\#926](https://github.com/cosmos/cosmos-sdk/issues/926) circuit breaker high level explanation
* [\#3896](https://github.com/cosmos/cosmos-sdk/issues/3896) Fixed various linters warnings in the context of the gometalinter -> golangci-lint migration
* [\#3916](https://github.com/cosmos/cosmos-sdk/issues/3916) Hex encode data in tx responses
* Remove `NewMsgCreateValidatorOnBehalfOf` and corresponding business logic
* Ensure the validator address equals the delegator address during
`MsgCreateValidator#ValidateBasic`
* SDK
* [\#3750](https://github.com/cosmos/cosmos-sdk/issues/3750) Track outstanding rewards per-validator instead of globally,
and fix the main simulation issue, which was that slashes of
re-delegations to a validator were not correctly accounted for
in fee distribution when the redelegation in question had itself
been slashed (from a fault committed by a different validator)
in the same BeginBlock. Outstanding rewards are now available
on a per-validator basis in REST.
* [\#3669](https://github.com/cosmos/cosmos-sdk/pull/3669) Ensure consistency in message naming, codec registration, and JSON
tags.
* [\#3788](https://github.com/cosmos/cosmos-sdk/pull/3788) Change order of operations for greater accuracy when calculating delegation share token value
* [\#3646](https://github.com/cosmos/cosmos-sdk/issues/3646) `x/mint` now uses total token supply instead of total bonded tokens to calculate inflation
- [#3399](https://github.com/cosmos/cosmos-sdk/pull/3399) Add `gaiad validate-genesis` command to facilitate checking of genesis files
- [\#1894](https://github.com/cosmos/cosmos-sdk/issues/1894) `version` prints out short info by default. Add `--long` flag. Proper handling of `--format` flag introduced.
- [\#3465](https://github.com/cosmos/cosmos-sdk/issues/3465) `gaiacli rest-server` switched back to insecure mode by default:
-`--insecure` flag is removed.
-`--tls` is now used to enable secure layer.
- [\#3451](https://github.com/cosmos/cosmos-sdk/pull/3451) `gaiacli` now returns transactions in plain text including tags.
- [\#3497](https://github.com/cosmos/cosmos-sdk/issues/3497) `gaiad init` now takes moniker as required arguments, not as parameter.
* [\#3507](https://github.com/cosmos/cosmos-sdk/issues/3507) General cleanup, removal of unnecessary struct fields, undelegation bugfix, and comment clarification in x/staking and x/slashing
* [\#3552](https://github.com/cosmos/cosmos-sdk/pull/3552) Validate bit length when
deserializing `Int` types.
BUG FIXES
* Gaia CLI (`gaiacli`)
- [\#3417](https://github.com/cosmos/cosmos-sdk/pull/3417) Fix `q slashing signing-info` panic by ensuring safety of user input and properly returning not found error
- [\#3345](https://github.com/cosmos/cosmos-sdk/issues/3345) Upgrade ledger-cosmos-go dependency to v0.9.3 to pull
https://github.com/ZondaX/ledger-cosmos-go/commit/ed9aa39ce8df31bad1448c72d3d226bf2cb1a8d1 in order to fix a derivation path issue that causes `gaiacli keys add --recover`
- [\#3453](https://github.com/cosmos/cosmos-sdk/pull/3453) The `rest-server` command didn't respect persistent flags such as `--chain-id` and `--trust-node` if they were
passed on the command line.
- [\#3441](https://github.com/cosmos/cosmos-sdk/pull/3431) Improved resource management and connection handling (ledger devices). Fixes issue with DER vs BER signatures.
* Gaia
* [\#3486](https://github.com/cosmos/cosmos-sdk/pull/3486) Use AmountOf in
vesting accounts instead of zipping/aligning denominations.
* [\#3249\(https://github.com/cosmos/cosmos-sdk/issues/3249) `tendermint`'s `show-validator` and `show-address``--json` flags removed in favor of `--output-format=json`.
* [distribution] [\#3359](https://github.com/cosmos/cosmos-sdk/issues/3359) Always round down when calculating rewards-to-be-withdrawn in F1 fee distribution
* [staking] [\#2513](https://github.com/cosmos/cosmos-sdk/issues/2513) Validator power type from Dec -> Int
* [staking] [\#3233](https://github.com/cosmos/cosmos-sdk/issues/3233) key and value now contain duplicate fields to simplify code
* [\#3064](https://github.com/cosmos/cosmos-sdk/issues/3064) Sanitize `sdk.Coin` denom. Coins denoms are now case insensitive, i.e. 100fooToken equals to 100FOOTOKEN.
* [\#3195](https://github.com/cosmos/cosmos-sdk/issues/3195) Allows custom configuration for syncable strategy
* [\#3242](https://github.com/cosmos/cosmos-sdk/issues/3242) Fix infinite gas
meter utilization during aborted ante handler executions.
* [x/distribution] [\#3292](https://github.com/cosmos/cosmos-sdk/issues/3292) Enable or disable withdraw addresses with a parameter in the param store
* [staking] [\#1402](https://github.com/cosmos/cosmos-sdk/issues/1402) Redelegation and unbonding-delegation structs changed to include multiple an array of entries
* [\#2996](https://github.com/cosmos/cosmos-sdk/issues/2996) Update the `AccountKeeper` to contain params used in the context of
the ante handler.
* [\#3179](https://github.com/cosmos/cosmos-sdk/pull/3179) New CodeNoSignatures error code.
* [\#3319](https://github.com/cosmos/cosmos-sdk/issues/3319) [x/distribution] Queriers for all distribution state worth querying; distribution query commands
* [\#3137](https://github.com/cosmos/cosmos-sdk/pull/3137) Add tag documentation
for each module along with cleaning up a few existing tags in the governance,
slashing, and staking modules.
* [\#3093](https://github.com/cosmos/cosmos-sdk/issues/3093) Ante handler does no longer read all accounts in one go when processing signatures as signature
verification may fail before last signature is checked.
* [staking] [\#1402](https://github.com/cosmos/cosmos-sdk/issues/1402) Add for multiple simultaneous redelegations or unbonding-delegations within an unbonding period
* [\#2498](https://github.com/cosmos/cosmos-sdk/issues/2498) Added macos CI job to CircleCI
* [#142](https://github.com/tendermint/devops/issues/142) Increased the number of blocks to be tested during multi-sim
* [#147](https://github.com/tendermint/devops/issues/142) Added docker image build to CI
BUG FIXES
* Gaia CLI (`gaiacli`)
* [\#3141](https://github.com/cosmos/cosmos-sdk/issues/3141) Fix the bug in GetAccount when `len(res) == 0` and `err == nil`
* [\#810](https://github.com/cosmos/cosmos-sdk/pull/3316) Fix regression in gaiacli config file handling
* Gaia
* [\#3148](https://github.com/cosmos/cosmos-sdk/issues/3148) Fix `gaiad export` by adding a boolean to `NewGaiaApp` determining whether or not to load the latest version
* [\#3181](https://github.com/cosmos/cosmos-sdk/issues/3181) Correctly reset total accum update height and jailed-validator bond height / unbonding height on export-for-zero-height
* [\#3148](https://github.com/cosmos/cosmos-sdk/issues/3148) Fix `gaiad export` by adding a boolean to `NewGaiaApp` determining whether or not to load the latest version
* [lcd] [\#3045](https://github.com/cosmos/cosmos-sdk/pull/3045) Fix quoted json return on GET /keys (keys list)
* [gaia-lite] [\#2191](https://github.com/cosmos/cosmos-sdk/issues/2191) Split `POST /stake/delegators/{delegatorAddr}/delegations` into `POST /stake/delegators/{delegatorAddr}/delegations`, `POST /stake/delegators/{delegatorAddr}/unbonding_delegations` and `POST /stake/delegators/{delegatorAddr}/redelegations`
* [gaia-lite] [\#3056](https://github.com/cosmos/cosmos-sdk/pull/3056) `generate_only` and `simulate` have moved from query arguments to POST requests body.
* Tendermint
* [tendermint] Now using Tendermint 0.27.3
FEATURES
* Gaia REST API (`gaiacli advanced rest-server`)
* [slashing] [\#2399](https://github.com/cosmos/cosmos-sdk/issues/2399) Implement `/slashing/parameters` endpoint to query slashing parameters.
* Gaia CLI (`gaiacli`)
* [gaiacli] [\#2399](https://github.com/cosmos/cosmos-sdk/issues/2399) Implement `params` command to query slashing parameters.
* SDK
- [client] [\#2926](https://github.com/cosmos/cosmos-sdk/issues/2926) Add TxEncoder to client TxBuilder.
* Other
- Introduced the logjack tool for saving logs w/ rotation
* [\#2879](https://github.com/cosmos/cosmos-sdk/issues/2879), [\#2880](https://github.com/cosmos/cosmos-sdk/issues/2880) Update deposit and vote endpoints to perform a direct txs query
* [\#2879](https://github.com/cosmos/cosmos-sdk/issues/2879), [\#2880](https://github.com/cosmos/cosmos-sdk/issues/2880) Update deposit and vote CLI commands to perform a direct txs query
when a given proposal is inactive and thus having votes and deposits removed
from state.
* Gaia
* [\#3021](https://github.com/cosmos/cosmos-sdk/pull/3021) Add `--gentx-dir` to `gaiad collect-gentxs` to specify a directory from which collect and load gentxs. Add `--output-document` to `gaiad init` to allow one to redirect output to file.
* [cli] [\#2595](https://github.com/cosmos/cosmos-sdk/issues/2595) Remove `keys new` in favor of `keys add` incorporating existing functionality with addition of key recovery functionality.
* [cli] [\#2987](https://github.com/cosmos/cosmos-sdk/pull/2987) Add shorthand `-a` to `gaiacli keys show` and update docs
* [cli] [\#2971](https://github.com/cosmos/cosmos-sdk/pull/2971) Additional verification when running `gaiad gentx`
* [cli] [\#2734](https://github.com/cosmos/cosmos-sdk/issues/2734) Rewrite `gaiacli config`. It is now a non-interactive config utility.
* Gaia
* [#128](https://github.com/tendermint/devops/issues/128) Updated CircleCI job to trigger website build on every push to master/develop.
* [gas] [\#3052](https://github.com/cosmos/cosmos-sdk/issues/3052) Updated gas costs to more reasonable numbers
* SDK
* [auth] [\#2952](https://github.com/cosmos/cosmos-sdk/issues/2952) Signatures are no longer serialized on chain with the account number and sequence number
* [auth] [\#2952](https://github.com/cosmos/cosmos-sdk/issues/2952) Signatures are no longer serialized on chain with the account number and sequence number
* [stake] [\#3055](https://github.com/cosmos/cosmos-sdk/issues/3055) Use address instead of bond height / intratxcounter for deduplication
FEATURES
* Gaia CLI (`gaiacli`)
* [\#2961](https://github.com/cosmos/cosmos-sdk/issues/2961) Add --force flag to gaiacli keys delete command to skip passphrase check and force key deletion unconditionally.
* [\#2914](https://github.com/cosmos/cosmos-sdk/issues/2914) No longer withdraw validator rewards on bond/unbond, but rather move
the rewards to the respective validator's pools.
BUG FIXES
* Gaia CLI (`gaiacli`)
* [\#2921](https://github.com/cosmos/cosmos-sdk/issues/2921) Fix `keys delete` inability to delete offline and ledger keys.
* Gaia
* [\#3003](https://github.com/cosmos/cosmos-sdk/issues/3003) CollectStdTxs() must validate DelegatorAddr against genesis accounts.
* SDK
* [\#2967](https://github.com/cosmos/cosmos-sdk/issues/2967) Change ordering of `mint.BeginBlocker` and `distr.BeginBlocker`, recalculate inflation each block
* [\#3068](https://github.com/cosmos/cosmos-sdk/issues/3068) check for uint64 gas overflow during `Std#ValidateBasic`.
* [\#3071](https://github.com/cosmos/cosmos-sdk/issues/3071) Catch overflow on block gas meter
* [cli] [\#2829](https://github.com/cosmos/cosmos-sdk/pull/2829) add-genesis-account command now validates state when adding accounts
* [cli] [\#2804](https://github.com/cosmos/cosmos-sdk/issues/2804) Check whether key exists before passing it on to `tx create-validator`.
* [cli] [\#2874](https://github.com/cosmos/cosmos-sdk/pull/2874) `gaiacli tx sign` takes an optional `--output-document` flag to support output redirection.
* [cli] [\#2875](https://github.com/cosmos/cosmos-sdk/pull/2875) Refactor `gaiad gentx` and avoid redirection to `gaiacli tx sign` for tx signing.
* Gaia
* [mint] [\#2825] minting now occurs every block, inflation parameter updates still hourly
* [\#2701](https://github.com/cosmos/cosmos-sdk/issues/2701) Account numbers and sequence numbers in `auth` are now `uint64` instead of `int64`
* [\#2019](https://github.com/cosmos/cosmos-sdk/issues/2019) Cap total number of signatures. Current per-transaction limit is 7, and if that is exceeded transaction is rejected.
* [\#2798](https://github.com/cosmos/cosmos-sdk/issues/2798) Governance API has miss-spelled English word in JSON response ('depositer' -> 'depositor')
* [app] [\#2791](https://github.com/cosmos/cosmos-sdk/issues/2791) Support export at a specific height, with `gaiad export --height=HEIGHT`.
* [app] [\#2812](https://github.com/cosmos/cosmos-sdk/issues/2812) Support export alterations to prepare for restarting at zero-height
* SDK
* [simulator] [\#2682](https://github.com/cosmos/cosmos-sdk/issues/2682) MsgEditValidator now looks at the validator's max rate, thus it now succeeds a significant portion of the time
* [core] [\#2775](https://github.com/cosmos/cosmos-sdk/issues/2775) Add deliverTx maximum block gas limit
IMPROVEMENTS
* Gaia REST API (`gaiacli advanced rest-server`)
* [gaia-lite] [\#2819](https://github.com/cosmos/cosmos-sdk/pull/2819) Tx search now supports multiple tags as query parameters
* [\#2836](https://github.com/cosmos/cosmos-sdk/pull/2836) Expose LCD router to allow users to register routes there.
* Gaia CLI (`gaiacli`)
* [\#2749](https://github.com/cosmos/cosmos-sdk/pull/2749) Add --chain-id flag to gaiad testnet
* [\#2819](https://github.com/cosmos/cosmos-sdk/pull/2819) Tx search now supports multiple tags as query parameters
* Gaia
* [\#2772](https://github.com/cosmos/cosmos-sdk/issues/2772) Update BaseApp to not persist state when the ante handler fails on DeliverTx.
* [\#2773](https://github.com/cosmos/cosmos-sdk/issues/2773) Require moniker to be provided on `gaiad init`.
* [\#2672](https://github.com/cosmos/cosmos-sdk/issues/2672) [Makefile] Updated for better Windows compatibility and ledger support logic, get_tools was rewritten as a cross-compatible Makefile.
* [\#2766](https://github.com/cosmos/cosmos-sdk/issues/2766) [Makefile] Added goimports tool to get_tools. Get_tools now only builds new versions if binaries are missing.
* [#110](https://github.com/tendermint/devops/issues/110) Updated CircleCI job to trigger website build when cosmos docs are updated.
* SDK
& [x/mock/simulation] [\#2720] major cleanup, introduction of helper objects, reorganization
* [\#2821](https://github.com/cosmos/cosmos-sdk/issues/2821) Codespaces are now strings
* [types] [\#2776](https://github.com/cosmos/cosmos-sdk/issues/2776) Improve safety of `Coin` and `Coins` types. Various functions
and methods will panic when a negative amount is discovered.
* [\#2815](https://github.com/cosmos/cosmos-sdk/issues/2815) Gas unit fields changed from `int64` to `uint64`.
* [\#2821](https://github.com/cosmos/cosmos-sdk/issues/2821) Codespaces are now strings
* [\#2779](https://github.com/cosmos/cosmos-sdk/issues/2779) Introduce `ValidateBasic` to the `Tx` interface and call it in the ante
handler.
* [\#2825](https://github.com/cosmos/cosmos-sdk/issues/2825) More staking and distribution invariants
* [\#2912](https://github.com/cosmos/cosmos-sdk/issues/2912) Print commit ID in hex when commit is synced.
* Tendermint
* [\#2796](https://github.com/cosmos/cosmos-sdk/issues/2796) Update to go-amino 0.14.1
BUG FIXES
* Gaia REST API (`gaiacli advanced rest-server`)
* [gaia-lite] [\#2868](https://github.com/cosmos/cosmos-sdk/issues/2868) Added handler for governance tally endpoint
* [\#2907](https://github.com/cosmos/cosmos-sdk/issues/2907) Refactor and fix the way Gaia Lite is started.
* Gaia
* [\#2723] Use `cosmosvalcons` Bech32 prefix in `tendermint show-address`
* [\#2742](https://github.com/cosmos/cosmos-sdk/issues/2742) Fix time format of TimeoutCommit override
* [\#2898](https://github.com/cosmos/cosmos-sdk/issues/2898) Remove redundant '$' in docker-compose.yml
* [\#2797](https://github.com/tendermint/tendermint/pull/2797) AddressBook requires addresses to have IDs; Do not crap out immediately after sending pex addrs in seed mode
* [cli] [\#2569](https://github.com/cosmos/cosmos-sdk/pull/2569) Add commands to query validator unbondings and redelegations
* [cli] [\#2569](https://github.com/cosmos/cosmos-sdk/pull/2569) Add commands to query validator unbondings and redelegations
* [cli] [\#2524](https://github.com/cosmos/cosmos-sdk/issues/2524) Add support offline mode to `gaiacli tx sign`. Lookups are not performed if the flag `--offline` is on.
* [cli] [\#2558](https://github.com/cosmos/cosmos-sdk/issues/2558) Rename --print-sigs to --validate-signatures. It now performs a complete set of sanity checks and reports to the user. Also added --print-signature-only to print the signature only, not the whole transaction.
* [cli] [\#2704](https://github.com/cosmos/cosmos-sdk/pull/2704) New add-genesis-account convenience command to populate genesis.json with genesis accounts.
* [\#1336](https://github.com/cosmos/cosmos-sdk/issues/1336) Mechanism for SDK Users to configure their own Bech32 prefixes instead of using the default cosmos prefixes.
* [\#2396](https://github.com/cosmos/cosmos-sdk/issues/2396) [x/mock/simulation] Change parameters to get more slashes
* [\#2617](https://github.com/cosmos/cosmos-sdk/issues/2617) [x/mock/simulation] Randomize all genesis parameters
* [\#2669](https://github.com/cosmos/cosmos-sdk/issues/2669) [x/stake] Added invarant check to make sure validator's power aligns with its spot in the power store.
* [\#1924](https://github.com/cosmos/cosmos-sdk/issues/1924) [x/mock/simulation] Use a transition matrix for block size
* [\#2660](https://github.com/cosmos/cosmos-sdk/issues/2660) [x/mock/simulation] Staking transactions get tested far more frequently
* [\#2610](https://github.com/cosmos/cosmos-sdk/issues/2610) [x/stake] Block redelegation to and from the same validator
* [\#2652](https://github.com/cosmos/cosmos-sdk/issues/2652) [x/auth] Add benchmark for get and set account
* [\#2685](https://github.com/cosmos/cosmos-sdk/issues/2685) [store] Add general merkle absence proof (also for empty substores)
* [\#2670](https://github.com/cosmos/cosmos-sdk/issues/2670) [x/stake] fixed incorrect `IterateBondedValidators` and split into two functions: `IterateBondedValidators` and `IterateLastBlockConsValidators`
* [\#2691](https://github.com/cosmos/cosmos-sdk/issues/2691) Fix local testnet creation by using a single canonical genesis time
* [\#2625](https://github.com/cosmos/cosmos-sdk/issues/2625) [x/gov] fix AppendTag function usage error
* [\#2677](https://github.com/cosmos/cosmos-sdk/issues/2677) [x/stake, x/distribution] various staking/distribution fixes as found by the simulator
* [\#2674](https://github.com/cosmos/cosmos-sdk/issues/2674) [types] Fix coin.IsLT() impl, coins.IsLT() impl, and renamed coins.Is\* to coins.IsAll\* (see [\#2686](https://github.com/cosmos/cosmos-sdk/issues/2686))
* [\#2711](https://github.com/cosmos/cosmos-sdk/issues/2711) [x/stake] Add commission data to `MsgCreateValidator` signature bytes.
* [x/stake] Validator.Owner renamed to Validator.Operator
* [\#595](https://github.com/cosmos/cosmos-sdk/issues/595) Connections to the REST server are now secured using Transport Layer Security by default. The --insecure flag is provided to switch back to insecure HTTP.
* [gaia-lite] [\#2258](https://github.com/cosmos/cosmos-sdk/issues/2258) Split `GET stake/delegators/{delegatorAddr}` into `GET stake/delegators/{delegatorAddr}/delegations`, `GET stake/delegators/{delegatorAddr}/unbonding_delegations` and `GET stake/delegators/{delegatorAddr}/redelegations`
* Gaia CLI (`gaiacli`)
* [x/stake] Validator.Owner renamed to Validator.Operator
* [cli] unsafe_reset_all, show_validator, and show_node_id have been renamed to unsafe-reset-all, show-validator, and show-node-id
* [cli] [\#1983](https://github.com/cosmos/cosmos-sdk/issues/1983) --print-response now defaults to true in commands that create and send a transaction
* [cli] [\#1983](https://github.com/cosmos/cosmos-sdk/issues/1983) you can now pass --pubkey or --address to gaiacli keys show to return a plaintext representation of the key's address or public key for use with other commands
* [cli] [\#2061](https://github.com/cosmos/cosmos-sdk/issues/2061) changed proposalID in governance REST endpoints to proposal-id
* [cli] [\#2014](https://github.com/cosmos/cosmos-sdk/issues/2014) `gaiacli advanced` no longer exists - to access `ibc`, `rest-server`, and `validator-set` commands use `gaiacli ibc`, `gaiacli rest-server`, and `gaiacli tendermint`, respectively
* [makefile] `get_vendor_deps` no longer updates lock file it just updates vendor directory. Use `update_vendor_deps` to update the lock file. [#2152](https://github.com/cosmos/cosmos-sdk/pull/2152)
* [cli] [\#2221](https://github.com/cosmos/cosmos-sdk/issues/2221) All commands that
utilize a validator's operator address must now use the new Bech32 prefix,
`cosmosvaloper`.
* [cli] [\#2190](https://github.com/cosmos/cosmos-sdk/issues/2190) `gaiacli init --gen-txs` is now `gaiacli init --with-txs` to reduce confusion
* [cli] [\#1184](https://github.com/cosmos/cosmos-sdk/issues/1184) Subcommands reorganisation, see [\#2390](https://github.com/cosmos/cosmos-sdk/pull/2390) for a comprehensive list of changes.
* [cli] [\#2524](https://github.com/cosmos/cosmos-sdk/issues/2524) Add support offline mode to `gaiacli tx sign`. Lookups are not performed if the flag `--offline` is on.
* [cli] [\#2570](https://github.com/cosmos/cosmos-sdk/pull/2570) Add commands to query deposits on proposals
* Gaia
* Make the transient store key use a distinct store key. [#2013](https://github.com/cosmos/cosmos-sdk/pull/2013)
* [x/stake] [\#1901](https://github.com/cosmos/cosmos-sdk/issues/1901) Validator type's Owner field renamed to Operator; Validator's GetOwner() renamed accordingly to comply with the SDK's Validator interface.
* [docs] [#2001](https://github.com/cosmos/cosmos-sdk/pull/2001) Update slashing spec for slashing period
* [x/stake, x/slashing] [#1305](https://github.com/cosmos/cosmos-sdk/issues/1305) - Rename "revoked" to "jailed"
* [x/stake] [#1676] Revoked and jailed validators put into the unbonding state
* [x/stake] [#1877] Redelegations/unbonding-delegation from unbonding validator have reduced time
* [x/gov] [\#2256](https://github.com/cosmos/cosmos-sdk/issues/2256) Removed slashing for governance non-voting validators
* [simulation] [\#2162](https://github.com/cosmos/cosmos-sdk/issues/2162) Added back correct supply invariants
* [x/slashing] [\#2430](https://github.com/cosmos/cosmos-sdk/issues/2430) Simulate more slashes, check if validator is jailed before jailing
* [x/stake] [\#2393](https://github.com/cosmos/cosmos-sdk/issues/2393) Removed `CompleteUnbonding` and `CompleteRedelegation` Msg types, and instead added unbonding/redelegation queues to endblocker
* [x/mock/simulation] [\#2501](https://github.com/cosmos/cosmos-sdk/issues/2501) Simulate transactions & invariants for fee distribution, and fix bugs discovered in the process
* [\#1890](https://github.com/cosmos/cosmos-sdk/issues/1890) Start chain with initial state + sequence of transactions
* [cli] Rename `gaiad init gentx` to `gaiad gentx`.
* [cli] Add `--skip-genesis` flag to `gaiad init` to prevent `genesis.json` generation.
* Drop `GenesisTx` in favor of a signed `StdTx` with only one `MsgCreateValidator` message.
* [cli] Port `gaiad init` and `gaiad testnet` to work with `StdTx` genesis transactions.
* [cli] Add `--moniker` flag to `gaiad init` to override moniker when generating `genesis.json` - i.e. it takes effect when running with the `--with-txs` flag, it is ignored otherwise.
* [simulation] Remove log and testing.TB from Operation and Invariants, in favor of using errors [\#2282](https://github.com/cosmos/cosmos-sdk/issues/2282)
* [simulation] Remove usage of keys and addrs in the types, in favor of simulation.Account [\#2384](https://github.com/cosmos/cosmos-sdk/issues/2384)
* [baseapp] Remove `SetTxDecoder` in favor of requiring the decoder be set in baseapp initialization. [#1441](https://github.com/cosmos/cosmos-sdk/issues/1441)
* [baseapp] [\#1921](https://github.com/cosmos/cosmos-sdk/issues/1921) Add minimumFees field to BaseApp.
* [store] Change storeInfo within the root multistore to use tmhash instead of ripemd160 [\#2308](https://github.com/cosmos/cosmos-sdk/issues/2308)
* [codec] [\#2324](https://github.com/cosmos/cosmos-sdk/issues/2324) All referrences to wire have been renamed to codec. Additionally, wire.NewCodec is now codec.New().
* [types] [\#2343](https://github.com/cosmos/cosmos-sdk/issues/2343) Make sdk.Msg have a names field, to facilitate automatic tagging.
* [baseapp] [\#2366](https://github.com/cosmos/cosmos-sdk/issues/2366) Automatically add action tags to all messages
* [x/staking] [\#2244](https://github.com/cosmos/cosmos-sdk/issues/2244) staking now holds a consensus-address-index instead of a consensus-pubkey-index
* [x/staking] [\#2236](https://github.com/cosmos/cosmos-sdk/issues/2236) more distribution hooks for distribution
* [x/stake] [\#2394](https://github.com/cosmos/cosmos-sdk/issues/2394) Split up UpdateValidator into distinct state transitions applied only in EndBlock
* [x/stake] [\#2412](https://github.com/cosmos/cosmos-sdk/issues/2412) Added an unbonding validator queue to EndBlock to automatically update validator.Status when finished Unbonding
* [x/stake] [\#2500](https://github.com/cosmos/cosmos-sdk/issues/2500) Block conflicting redelegations until we add an index
* [types] [\#2506](https://github.com/cosmos/cosmos-sdk/issues/2506) sdk.Dec MarshalJSON now marshals as a normal Decimal, with 10 digits of decimal precision
* [x/stake] [\#2508](https://github.com/cosmos/cosmos-sdk/issues/2508) Utilize Tendermint power for validator power key
* [x/stake] [\#2531](https://github.com/cosmos/cosmos-sdk/issues/2531) Remove all inflation logic
* [x/mint] [\#2531](https://github.com/cosmos/cosmos-sdk/issues/2531) Add minting module and inflation logic
* Update tendermint version from v0.23.0 to v0.25.0, notable changes
* Mempool now won't build too large blocks, or too computationally expensive blocks
* Maximum tx sizes and gas are now removed, and are implicitly the blocks maximums
* ABCI validators no longer send the pubkey. The pubkey is only sent in validator updates
* Validator set changes are now delayed by one block
* Block header now includes the next validator sets hash
* BFT time is implemented
* Secp256k1 signature format has changed
* There is now a threshold multisig format
* See the [tendermint changelog](https://github.com/tendermint/tendermint/blob/master/CHANGELOG.md) for other changes.
FEATURES
* Gaia REST API (`gaiacli advanced rest-server`)
* [gaia-lite] Endpoints to query staking pool and params
* [gaia-lite] [\#2110](https://github.com/cosmos/cosmos-sdk/issues/2110) Add support for `simulate=true` requests query argument to endpoints that send txs to run simulations of transactions
* [gaia-lite] [\#966](https://github.com/cosmos/cosmos-sdk/issues/966) Add support for `generate_only=true` query argument to generate offline unsigned transactions
* [gaia-lite] [\#1953](https://github.com/cosmos/cosmos-sdk/issues/1953) Add /sign endpoint to sign transactions generated with `generate_only=true`.
* [gaia-lite] [\#1954](https://github.com/cosmos/cosmos-sdk/issues/1954) Add /broadcast endpoint to broadcast transactions signed by the /sign endpoint.
* [gaia-lite] [\#2113](https://github.com/cosmos/cosmos-sdk/issues/2113) Rename `/accounts/{address}/send` to `/bank/accounts/{address}/transfers`, rename `/accounts/{address}` to `/auth/accounts/{address}`, replace `proposal-id` with `proposalId` in all gov endpoints
* [gov][cli] [\#2062](https://github.com/cosmos/cosmos-sdk/issues/2062) added `--proposal` flag to `submit-proposal` that allows a JSON file containing a proposal to be passed in
* [\#2040](https://github.com/cosmos/cosmos-sdk/issues/2040) Add `--bech` to `gaiacli keys show` and respective REST endpoint to
provide desired Bech32 prefix encoding
* [cli] [\#2047](https://github.com/cosmos/cosmos-sdk/issues/2047) [\#2306](https://github.com/cosmos/cosmos-sdk/pull/2306) Passing --gas=simulate triggers a simulation of the tx before the actual execution.
The gas estimate obtained via the simulation will be used as gas limit in the actual execution.
* [cli] [\#2047](https://github.com/cosmos/cosmos-sdk/issues/2047) The --gas-adjustment flag can be used to adjust the estimate obtained via the simulation triggered by --gas=simulate.
* [cli] [\#2110](https://github.com/cosmos/cosmos-sdk/issues/2110) Add --dry-run flag to perform a simulation of a transaction without broadcasting it. The --gas flag is ignored as gas would be automatically estimated.
* [cli] [\#2204](https://github.com/cosmos/cosmos-sdk/issues/2204) Support generating and broadcasting messages with multiple signatures via command line:
* [\#966](https://github.com/cosmos/cosmos-sdk/issues/966) Add --generate-only flag to build an unsigned transaction and write it to STDOUT.
* [\#1953](https://github.com/cosmos/cosmos-sdk/issues/1953) New `sign` command to sign transactions generated with the --generate-only flag.
* [\#1954](https://github.com/cosmos/cosmos-sdk/issues/1954) New `broadcast` command to broadcast transactions generated offline and signed with the `sign` command.
* [cli] [\#2220](https://github.com/cosmos/cosmos-sdk/issues/2220) Add `gaiacli config` feature to interactively create CLI config files to reduce the number of required flags
new commission flags for validator commands `create-validator` and `edit-validator`.
* [stake][cli] [\#1890](https://github.com/cosmos/cosmos-sdk/issues/1890) Add `--genesis-format` flag to `gaiacli tx create-validator` to produce transactions in genesis-friendly format.
* [cli][\#2554](https://github.com/cosmos/cosmos-sdk/issues/2554) Make `gaiacli keys show` multisig ready.
* [cli] [\#2170](https://github.com/cosmos/cosmos-sdk/issues/2170) added ability to show the node's address via `gaiad tendermint show-address`
* [simulation] [\#2313](https://github.com/cosmos/cosmos-sdk/issues/2313) Reworked `make test_sim_gaia_slow` to `make test_sim_gaia_full`, now simulates from multiple starting seeds in parallel
* [x/stake] [#2023](https://github.com/cosmos/cosmos-sdk/pull/2023) Terminate iteration loop in `UpdateBondedValidators` and `UpdateBondedValidatorsFull` when the first revoked validator is encountered and perform a sanity check.
* [x/auth] Signature verification's gas cost now accounts for pubkey type. [#2046](https://github.com/tendermint/tendermint/pull/2046)
* [x/stake] [x/slashing] Ensure delegation invariants to jailed validators [#1883](https://github.com/cosmos/cosmos-sdk/issues/1883).
* [x/stake] Improve speed of GetValidator, which was shown to be a performance bottleneck. [#2046](https://github.com/tendermint/tendermint/pull/2200)
* Add SDK validation to `config.toml` (namely disabling `create_empty_blocks`) [\#1571](https://github.com/cosmos/cosmos-sdk/issues/1571)
* [\#1941](https://github.com/cosmos/cosmos-sdk/issues/1941)(https://github.com/cosmos/cosmos-sdk/issues/1941) Version is now inferred via `git describe --tags`.
* [x/distribution] [\#1671](https://github.com/cosmos/cosmos-sdk/issues/1671) add distribution types and tests
* [tools] Make get_vendor_deps deletes `.vendor-new` directories, in case scratch files are present.
* [spec] Added simple piggy bank distribution spec
* [cli] [\#1632](https://github.com/cosmos/cosmos-sdk/issues/1632) Add integration tests to ensure `basecoind init && basecoind` start sequences run successfully for both `democoin` and `basecoin` examples.
* [store] Speedup IAVL iteration, and consequently everything that requires IAVL iteration. [#2143](https://github.com/cosmos/cosmos-sdk/issues/2143)
* [simulation] Make logs not just pure strings, speeding it up by a large factor at greater block heights [\#2282](https://github.com/cosmos/cosmos-sdk/issues/2282)
* [simulation] Add a concept of weighting the operations [\#2303](https://github.com/cosmos/cosmos-sdk/issues/2303)
* [simulation] Logs get written to file if large, and also get printed on panics [\#2285](https://github.com/cosmos/cosmos-sdk/issues/2285)
* [simulation] Bank simulations now makes testing auth configurable [\#2425](https://github.com/cosmos/cosmos-sdk/issues/2425)
* [gaiad] [\#1992](https://github.com/cosmos/cosmos-sdk/issues/1992) Add optional flag to `gaiad testnet` to make config directory of daemon (default `gaiad`) and cli (default `gaiacli`) configurable
* [x/stake] Add stake `Queriers` for Gaia-lite endpoints. This increases the staking endpoints performance by reusing the staking `keeper` logic for queries. [#2249](https://github.com/cosmos/cosmos-sdk/pull/2149)
* [\#1988](https://github.com/cosmos/cosmos-sdk/issues/1988) Make us compile on OpenBSD (disable ledger) [#1988] (https://github.com/cosmos/cosmos-sdk/issues/1988)
* [\#2105](https://github.com/cosmos/cosmos-sdk/issues/2105) Fix DB Iterator leak, which may leak a go routine.
* [ledger] [\#2064](https://github.com/cosmos/cosmos-sdk/issues/2064) Fix inability to sign and send transactions via the LCD by
loading a Ledger device at runtime.
* [\#2158](https://github.com/cosmos/cosmos-sdk/issues/2158) Fix non-deterministic ordering of validator iteration when slashing in `gov EndBlocker`
- [x/auth] [\#2376](https://github.com/cosmos/cosmos-sdk/issues/2376) No longer runs any signature in a multi-msg, if any account/sequence number is wrong.
- [x/auth] [\#2376](https://github.com/cosmos/cosmos-sdk/issues/2376) No longer charge gas for subtracting fees
- [tests] [\#1806](https://github.com/cosmos/cosmos-sdk/issues/1806) CLI tests are now behind the build flag 'cli_test', so go test works on a new repo
* [\#1630](https://github.com/cosmos/cosmos-sdk/issues/1630) - redelegation nolonger removes tokens from the delegator liquid account
* [keys] [\#1629](https://github.com/cosmos/cosmos-sdk/issues/1629) - updating password no longer asks for a new password when the first entered password was incorrect
