palladiumcore/CHANGELOG.md

Changelog

All notable changes to Palladium Core will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

2.0.0 - 2026-02-08

Added

• Full Taproot support implementing BIP340 (Schnorr Signatures), BIP341 (Taproot), BIP342 (Tapscript), and BIP350 (Bech32m)
• Schnorr signature support via secp256k1 library upgrade to Bitcoin Core v24.2
• Bech32m address format for Taproot outputs (addresses starting with plm1p...)
• Address type dropdown in GUI Receive tab for selecting legacy/P2SH-SegWit/bech32/bech32m
• getnewaddress RPC support for "bech32m" address type parameter
• XOnlyPubKey class for 32-byte x-only public key representation
• Taproot deployment via BIP9 soft fork (bit 2, mainnet activation March 2026-2027)
• Functional test feature_taproot.py for end-to-end Taproot lifecycle validation
• Comprehensive technical documentation in doc/TAPROOT.md
• User-friendly Taproot guide in doc/taproot-guide.md

Changed

• Upgraded secp256k1 library to Bitcoin Core v24.2 with extrakeys and schnorrsig modules enabled
• Updated script interpreter with full taproot/tapscript validation rules (+469 lines)
• Default address type remains "bech32" for backward compatibility

Documentation

• Added doc/TAPROOT.md: comprehensive technical specification
• Added doc/taproot-guide.md: user-friendly guide for wallet users
• Updated doc/bips.md with BIP340/341/342/350 implementation details
• Restructured release notes: doc/release-notes/release-notes-2.0.0.md
• Updated man pages for all binaries to version 2.0.0

Detailed release notes

1.5.1 - 2026-01-26

Added

• New Palladium logo and improved branding
• Rebuild option in quick-build.sh script

Changed

• Improved splash screen text visibility with shadow effect and larger font
• Updated copyright year to 2026
• Widened transaction amount column header for better readability
• Enhanced modal overlay UI with border and semi-transparent background

Fixed

• Dark mode input field heights now match light mode
• Dark mode spinbox button visibility improved
• Text clipping in modal overlay resolved
• Window minimum size properly set
• UI inconsistencies across light and dark themes
• Compilation issues with modern GCC (Ubuntu 24.04+)
• Missing argument handling in build-windows.sh
• ccache handling in quick-build.sh

Documentation

• Added .gitignore for backup files

Release on GitHub

1.5.0 - 2025-12-10

Added

• Hard Fork Logic activated at block 340,000: Chat and Difficulty Adjustment Algorithm (DAA)
• Better difficulty adjustment at block 350,000
• Update checker functionality
• Combine script utility
• Additional parameters to chainparams.cpp

Changed

• Improved difficulty adjustment algorithm for better network stability
• Updated modal overlay and GUI files
• Replaced deprecated state.DoS call with state.Invalid

Fixed

• Linker errors resolved
• Various stability improvements and bug fixes
• GUI component fixes

Release on GitHub

1.4.4 - 2025-11-19

Changed

• Version bump to 1.4.4 with updates to configure.ac, MSVC config, clientversion.cpp, and man pages

Release on GitHub

1.4.3 - 2025-11-18

Added

• Dark Mode support with toggle switch in Settings menu
• Dark theme stylesheet (dark.qss)
• Theme preference persistence using QSettings
• Theme toggle functionality in GUI

Changed

• Settings menu enhanced with Dark Mode checkbox option

Release on GitHub

1.4.2 - 2025-11-18

Added

• Testnet seed nodes for peer discovery
• Allow minimum difficulty blocks after testnet inactivity

Changed

• Updated testnet consensus parameters
• Simplified testnet difficulty adjustment logic
• Updated BIP34 height and hash for testnet
• Allow getblocktemplate during initial block download for testnet

Fixed

• Testnet chain parameters updated
• Testnet difficulty calculation rules adjusted
• Restored getblocktemplate security check
• Wallet confirmation time corrected

Documentation

• Added troubleshooting section to README
• Moved detailed configuration to separate document
• Updated repository URLs throughout documentation
• Removed outdated configuration details

Release on GitHub

1.4.1 - 2025-11-11

Added

• Docker build system for cross-platform compilation
  • Linux x86_64 Docker build infrastructure
  • Windows cross-compilation support via Docker
  • ARM64 (aarch64) support for Raspberry Pi and similar devices
  • ARMv7l architecture support
• Testnet and regtest support enabled with magic byte changes

Changed

• Simplified version string formatting using semantic versioning
• Replaced CLIENT_BUILD with FormatVersion function
• Testnet3 renamed to testnet across all references
• Restructured Docker build system for better organization

Fixed

• Critical: Node synchronization - Fresh nodes can now fully synchronize from genesis
• Chainwork parameter corrected in chainparams.cpp
• Consensus parameters updated to enable initial blockchain sync

Documentation

• Build instructions reorganized into platform-specific documents
• README restructured with Docker build emphasis
• Simplified build instructions by linking to platform-specific docs
• Updated repository URLs throughout documentation

Removed

• Inactive mainnet seed node removed from node list

Release on GitHub

1.4.0 - 2025-10-23

Added

• AuxPow (Auxiliary Proof of Work) support
• New seed nodes and DNS seeders
• Comprehensive project documentation in README
• LaTeX format whitepaper (converted from PDF)
• New Palladium logo assets (128px and 250px)
• Mining pool configuration support

Changed

• Major update to mining and work parameters
• Easier compilation process
• Updated palladium.conf with new defaults
• Stability improvements across the codebase
• Updated website information
• Enhanced splash screen initialization messages

Fixed

• Build failure by including <limits> header in corelib
• Various stability and performance fixes

Documentation

• Updated README with comprehensive installation instructions
• Whitepaper converted to LaTeX format for better maintainability
• Updated build instructions for macOS
• Improved issue templates and bug report forms
• Updated release notes structure

Release on GitHub

1.3.0 - 2024-04-07

Added

• LWMA (Lightweight Moving Average) difficulty adjustment algorithm
• Updated chain parameter seeds (chainparamsseeds.h)

Changed

• Mining logic modifications (mining.cpp)
• Proof-of-work implementation updates (pow.cpp)
• Chain parameters updated (chainparams.cpp)
• Client version information updated
• Configuration header changes (palladium_config.h)

Fixed

• macOS compilation issues resolved
• Various bug fixes and stability improvements

Release on GitHub

1.2.0 - 2024-04-04

Added

• DNS seeds and fixed seeds for network bootstrap
• Built-in DNS seeder support
• Checkpoints for blockchain validation

Changed

• Chain parameters updated across multiple commits (chainparams.cpp)
• Soft fork block time and halving schedule adjustments
• Validation logic updates (validation.cpp)
• Wallet functionality improvements (wallet.cpp)
• Database handling updates (db.cpp)
• Message handling improvements (message.cpp)

Fixed

• SegWit functionality fixes

Documentation

• Updated README with DNS seeder information
• Updated copyright notices
• Man pages updated (palladium-cli.1, palladium-tx.1, palladium-wallet.1)

Release on GitHub

1.1.0 - 2024-03-15

Initial public release of Palladium Core.

Features

• Bitcoin Core codebase foundation
• SegWit support
• Basic wallet functionality
• P2P networking
• Mining support
• RPC interface

Release on GitHub

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