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Diffstat (limited to 'doc/release-notes.md')
| -rw-r--r-- | doc/release-notes.md | 68 |
1 files changed, 64 insertions, 4 deletions
diff --git a/doc/release-notes.md b/doc/release-notes.md index c5e41dfc66..acff1dc6b6 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -67,12 +67,72 @@ UTXO but where its block file has been pruned. Pruning is disabled by default. +Big endian support +-------------------- + +Experimental support for big-endian CPU architectures was added in this +release. This has been tested on at least MIPS and PPC hosts. The build +system will automatically detect the endianness of the target. + +Memory usage optimization +-------------------------- + +There have been many changes in this release to reduce the default memory usage +of a node, among which: + +- Accurate UTXO cache size accounting (#6102); this makes the option `-dbcache` + precise, where is did a gross underestimation of memory usage before +- Reduce size of per-peer data structure (#6064 and others); this increases the + number of connections that can be supported with the same amount of memory +- Reduce the number of threads (#5964, #5679); lowers the amount of (esp. + virtual) memory needed + +Privacy: Disable wallet transaction broadcast +---------------------------------------------- + +This release adds an option `-walletbroadcast=0` to prevent automatic +transaction broadcast and rebroadcast (#5951). This option allows separating +transaction submission from the node functionality. + +Making use of this, third-party scripts can be written to take care of +transaction (re)broadcast: + +- Send the transaction as normal, either through RPC or the GUI +- Retrieve the transaction data through RPC using `gettransaction` (NOT + `getrawtransaction`). The `hex` field of the result will contain the raw + hexadecimal representation of the transaction +- The transaction can then be broadcasted through arbitrary mechanisms + supported by the script + +One such application is selective Tor usage, where the node runs on the normal +internet but transactions are broadcasted over Tor. + +Privacy: Stream isolation for Tor +---------------------------------- + +This release adds functionality to create a new circuit for every peer +connection, when the software is used with Tor. The new option, +`-proxyrandomize`, is on by default. + +When enabled, every outgoing connection will (potentially) go through a +different exit node. That significantly reduces the chance to get unlucky and +pick a single exit node that is either malicious, or widely banned from the P2P +network. This improves connection reliability as well as privacy, especially +for the initial connections. + +**Important note:** If a non-Tor SOCKS5 proxy is configured that supports +authentication, but doesn't require it, this change may cause it to reject +connections. A user and password is sent where they weren't before. This setup +is exceedingly rare, but in this case `-proxyrandomize=0` can be passed to +disable the behavior. 0.11.0 Change log ================= Detailed release notes follow. This overview includes changes that affect -behavior, not code moves, refactors or string updates. +behavior, not code moves, refactors and string updates. For convenience in locating +the code changes and accompanying discussion, both the pull request and +git merge commit are mentioned. ### RPC and REST - #5461 `5f7279a` signrawtransaction: validate private key @@ -90,7 +150,7 @@ behavior, not code moves, refactors or string updates. - #5199 `6364408` Add RPC call `gettxoutproof` to generate and verify merkle blocks - #5418 `16341cc` Report missing inputs in sendrawtransaction - #5937 `40f5e8d` show script verification errors in signrawtransaction result -- #5420 `1fd2d39` [REST] getutxos REST command (based on Bip64) +- #5420 `1fd2d39` getutxos REST command (based on Bip64) ### Configuration and command-line options - #5636 `a353ad4` Add option `-allowselfsignedrootcertificate` to allow self signed root certs (for testing payment requests) @@ -123,7 +183,7 @@ behavior, not code moves, refactors or string updates. - #5507 `844ace9` Prevent DOS attacks on in-flight data structures - #5770 `32a8b6a` Sanitize command strings before logging them - #5859 `dd4ffce` Add correct bool combiner for net signals -- #5876 `8e4fd0c` Add a NODE_GETUTXO service bit and document NODE_NETWORK. +- #5876 `8e4fd0c` Add a NODE_GETUTXO service bit and document NODE_NETWORK - #6028 `b9311fb` Move nLastTry from CAddress to CAddrInfo - #5662 `5048465` Change download logic to allow calling getdata on inbound peers - #5971 `18d2832` replace absolute sleep with conditional wait @@ -152,7 +212,7 @@ behavior, not code moves, refactors or string updates. ### Wallet - #2340 `811c71d` Discourage fee sniping with nLockTime -- #5485 `d01bcc4` Enforce minRelayTxFee on wallet created tx and add a maxtxfee option. +- #5485 `d01bcc4` Enforce minRelayTxFee on wallet created tx and add a maxtxfee option - #5508 `9a5cabf` Add RandAddSeedPerfmon to MakeNewKey - #4805 `8204e19` Do not flush the wallet in AddToWalletIfInvolvingMe(..) - #5319 `93b7544` Clean up wallet encryption code |