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v1.4.0 Release changelog #767

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Jan 20, 2021
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v1.4.0 Release changelog #767

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Update CHANGELOG for 1.4.0 release
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This changelog follows the format defined here: https://keepachangelog.com/en/1.0.0/

## [1.4.0] - 2021-01-19

A more detailed account of everything included is included in the dev to master PR for this release: https://github.com/ucb-bar/chipyard/pull/599

### Added
* OpenSBI Support (#633)
* Support for Diplomacy-based clocking (#614, #682)
* Support for Diplomacy-based IOBinders (#699)
* Sodor core integration (#648)
* Simple Divider-Only PLL for Multiclock RTL Simulation (#676)
* Enable parallel Hammer simulations (#600)
* OpenRoad nangate45 Hammer backend (#608)
* Add support for "LBWIF" backing memory through serialized TileLink (#673)
* Add variable to control FIRRTL logging verbosity (#627)
* Add RANDOM_SEED variable to set random init for VCS and Verilator simulations (#629)
* Fast LoadMem support (#635)
* Multithreaded Verilator (#654)
* Support for custom Verilator optimization flags (#728)
* Add config-fragment to use broadcast manager instead of L2 for coherence (#721)
* Added optional ignore QEMU flag to `build-toolchains.sh` (#709)
* Split `JAVA_ARGS` into `JAVA_OPTS` and `SBT_OPTS` (#719)
* Experimental support for SBT thin client. Enable with `export ENABLE_SBT_THIN_CLIENT=1` (https://github.com/sbt/sbt/pull/5620) (#719)
* Helper `make` targets to launch SBT console (`sbt`) and shutdown/start thin server (<start/shutdown>-sbt-server) (#719)
* Allow users to override `CC` and `CXX` for `build-toolchains.sh` (#739)
* Support VCU118/Arty local FPGA prototypes through `fpga-shells` (#747)
* A 16-core LargeBOOM configuration has been added to FireChip to highlight the resource-optimizing platform configurations added to FireSim in firesim/firesim#636 (#756)

### Changed
* Bump Chisel to 3.4.1.x (#742, #719, #751)
* Bump RocketChip to a7b016e (#742, #719)
* Bump FireSim to 1.11
* Bump Gemmini to v0.5
* Bump to SBT 1.4.4 (#719)
* Split IOBinders into IOBinders and HarnessBinders | punch out clocks to harness for simwidgets and bridges (#670, #674)
* Have FireSim build recipes use Chipyard configs rather than FireChip configs (#695)
* FireMarshal boot default to OpenSBI rather than BBL (#633)
* Override default baud rate for FireChip (#625)
* DTM only supports HTIF in DMI mode (#672)
* Unify HTIF implementation between Chipyard and Firesim (#683)
* Renamed Ariane to CVA6 (#710)
* `build.sbt` refactoring/fixes for RC/Chisel/Firrtl bump (#719)
* Use `; x; y; z;` syntax to run multiple SBT commands (#719)
* CI Improvements: Cleanup `check-commit` printout. Don't transfer `.git` folders. (#750)

### Fixed
* Multi-SHA3 configs (#597)
* Allow dramsim_ini folder to be set at the command line (#598)
* Emit HTIF Node in device tree (#607)
* Fixes for AXI4 MMIO and FBus ports (#618)
* Only punch realistic subset of DebugIO through chiptop | default to JTAG+Serial (#664)
* IceNet bug fixes (#720)
* smartelf2hex.sh bug fixes (#677, #693)
* env.sh zsh compatibility (#705)
* build-toolchains.sh bug fixes (#745 #739)
* Bump Dromajo to work with older version of glibc (#709)

### Removed
* Support for synchronous ChipTop reset (#703)
* Split `JAVA_ARGS` into `JAVA_OPTS` and `SBT_OPTS` (#719)


## [1.3.0] - 2020-05-31

A more detailed account of everything included is included in the dev to master PR for this release: https://github.com/ucb-bar/chipyard/pull/500
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