## WAMR-1.2.0

### Breaking Changes


### New Features
Implement two-level Multi-tier JIT engine: tier-up from Fast JIT to LLVM JIT to get quick cold startup and better performance
Enable running mode control for runtime, wasm module instance and iwasm
Implement wasi-threads feature
Upgrade toolkits: upgrade to llvm-15.0, wasi-sdk-19.0, emsdk-3.1.28 and so on
Port WAMR to the FreeBSD platform
Refactor wasi-nn to simplify the support for multiple frameworks
wasi-nn: Enable GPU support
wasi-nn: Support multiple TFLite models
Add WAMR API bindings in Python
Add libsodium benchmark

### Bug Fixes
Fix wasm-c-api import func link issue in wasm_instance_new
Fix watchpoint segfault when using debug interp without server
libc-wasi: Fix spurious poll timeout
Fix typo verify_module in aot_compiler.c
Fix failure about preopen of reactor modules
Fix equal check in AOT XIP float cmp intrinsic
Fix issue of resolving func name in custom name section
Fix go language binding build on macos arm64
Prevent undefined behavior from c_api_func_imports == NULL
Fix potential block issue in source debugger
SGX IPFS: Fix a segfault and support seeking beyond the end of files while using SEEK_CUR/SEEK_END
Fix undef error about WAMR_BUILD_MEMORY_PROFILING
Fix jit memory overwritten after instance deinstantiate
Fix stack alignment issue on ia32
Fix explicit casts and types in espidf_socket.c
Fix potential integer overflow issue in wasm-c-api
Fix libc-wasi build failure when using clang
Fix wamrapi python binding for darwin
Fix getting port issue in posix os_socket_bind
Fix key error in build_llvm.py
nuttx: Add missing pthread.h header
Fix os_socket_addr_resolve() for IPv6
Enhance/Fix sample socket-api and workload
Fix fast-jit build error
Fix dead lock in source debugger
fix debugger: Set termination flags also when in debug mode

### Enhancements
Add WAMR-IDE vscode extension to the Visual Studio Marketplace
Refine Windows thread waiting list operations
Improve wasm-c-api instantiation-time linking
Enable platform support for esp-idf v5.0.1
Readme refactoring
Add architecture diagram for wasm function
Add architecture document for wasm export
Add architecture diagram for wasm globals and classic-interp stack frame
Use boringssl instead of openssl to implement wasm cache loading
Implement i32.rem_s and i32.rem_u intrinsic
Perfect the codebase for wamr-ide
Remove unnecessary ret value control when spec test is enabled
Use float version library routine for XIP aot_intrinsic_xxx APIs
Register missing symbols for f32 to 64 bit integer conversion
Report error in instantiation when meeting unlinked import globals
Add more types and APIs for attr_container
Simplify fcmp intrinsic logic for AOT/XIP
Add some missing macros for int literals in wamr-sdk libc-builtin-sysroot stdint.h
nuttx: Mock socket APIs if NET is disabled
Main thread spread exception when thread-mgr is enabled
Implement opcode atomic.wait and atomic.notify for Fast JIT
Add docker images auto check and setup support for WAMR-IDE
Make memory profiling show native stack usage
Enable gcc-4.8 compilation
Enable specifying out-of-source platform configuration cmake file
Add gh api call for fetching llvm version (#1942) Fixes
Don't terminate other threads when create thread failed
Modify poll_oneoff in libc-wasi to make it interruptible
Expose wasm_runtime_call_indirect
Make a workaround for EGO when fstat returns NOT_SUPPORT
Re-org calling post instantiation functions
Enable custom llvm build flags
support SSH for git clone llvm
Support dump call stack on exception and dump call stack on nuttx
Update document for source debugging
Document some info about estimating memory usage

### Others
Enable XIP in CI daily test
Integrate wasi test suite to wamr-test-suites and CI
Add CI for wasi-threads tests
Update CIs and documents to make naming of generated binaries consist
Enable CI wasi test suite for x86-32 classic/fast interpreter
CI: Enable libc-wasi compilation test on NuttX
CI: Enable Multi-tier JIT by default for released iwasm binary

---

## WAMR-1.1.2

### Breaking Changes
Remove the LLVM MCJIT mode, replace it with LLVM ORC JIT eager mode
Add option to pass user data to the allocator functions of RuntimeInitArgs
Change how iwasm returns:
  return 1 if an exception was thrown, else
  return the wasi exit code if the wasm app is a wasi app, else
  keep the same behavior as before
Enable bulk memory by default

### New Features
Add control for the native stack check with hardware trap
Add memory watchpoint support to debugger
Add wasm_module_obtain() to clone wasm_module_t
Implement Fast JIT dump call stack and perf profiling
esp-idf: Add socket support for esp-idf platform

### Bug Fixes
Fix XIP issue caused by rem_s on RISC-V
Fix XIP issues of fp to int cast and int rem/div
Fix missing float cmp for XIP
Correct the arch name for armv7a on NuttX
Fix issue of restoring wasm operand stack
Fix issue of thumb relocation R_ARM_THM_MOVT_ABS
Fix fast jit issue of translating opcode i32.rem_s/i64.rem_s
Fix interp/fast-jit float min/max issues
Fix missing intrinsics for risc-v which were reported by spec test
wasm-c-api: Fix init/destroy thread env multiple times issue
Fix wasm-c-api import func link issue in wasm_instance_new
Fix sample ref-types/wasm-c-api build error with wat2wasm low version
Fix zephyr sample build errors
Fix source debugger error handling: continue executing when detached
Fix scenario where the timeout for atomic wait is set to negative number
Fix link cxx object file error when building wamrc for docker image
Fix XIP issue of handling 64-bit const in 32-bit target

### Enhancements
Refactor the layout of interpreter and AOT module instance
Refactor LLVM JIT: remove mcjit and legacy pass manager, upgrade to ORCv2 JIT
Refine Fast JIT call indirect and call native process
Refine Fast JIT accessing memory/table instance and global data
Refine AOT exception check when function return
Enable source debugger reconnection
Add wasm_runtime_get_wasi_exit_code
linux-sgx: Use non-destructive modes for opening files using SGX IPFS
Add wasm_runtime_unregister_natives
Implement invokeNative asm code for MinGW
Add wamr Blog link and Gitbook link to readme
Remove unnecessary app heap memory clean operations to reduce process RSS
Normalize how the global heap pool is configured across iwasm apps
Refine the stack frame size check in interpreter
Enlarge the default wasm operand stack size to 64KB
Use cmake POSITION_INDEPENDENT_CODE instead of hardcoding -pie -fPIE
Implement R_ARM_THM_MOVT_[ABS|REPL] for thumb
Suppress the warnings when building with GCC11
samples/native-lib: Add a bit more complicated example
Add mutex initializer for wasm-c-api engine operations
XIP adaptation for xtensa platform
Update libuv version number
Remove an improper assumption when creating wasm_trap
Avoid initialize LLVM repeatedly
linux-sgx: Improve the remote attestation
linux-sgx: Improve the documentation of SGX-RA sample
linux-sgx: Allow to open files with arbitrary paths in the sandbox using IPFS
Avoid raising exception when debugging with VSCode
wamr-test-suites: Update runtest.py to support python3
Enable Nuttx spec test option and register aot symbols
Use wabt binary instead of building from source in spec test
nuttx: Enable ref types by Kconfig
Update xtensa LLVM version to 15.x
Add bh_print_proc_mem() to dump memory info of current process
Create trap for error message when wasm_instance_new fails
wamr-test-suites: Add support for ARM/RISCV by QEMU
Enable to compile WAMR on platforms that don't support IPV6
Fix warnings in the posix socket implementation
Update document for MacOS compilation
Install patched LLDB on vscode extension activation
Add ARM aeabi memcpy/memmove/memset symbols for AOT bulk memory ops
Enable wasm cache loading in wasm-c-api

### Others
Add CIs to release new version and publish binary files
Add more compilation groups of fast jit into CI
Enable spec test on nuttx and daily run it

---

## WAMR-1.1.1

- Implement Linux SGX socket API getpeername, recvfrom and sendto
- Implement Linux SGX POSIX calls based on getsockname and set/getbool
- Integrate WASI-NN into WAMR: support TensorFlow/CPU/F32 in the first stage
- Add timeout send/recv and multicast client/server socket examples
- Support cross building and linking LLVM shared libs for wamrc
- Add darwin support for app_framework
- Add ios support for product-mini
- Update export_native_api.md: Relax the "ground rule"
- wasm_export.h: Add comments on wasm_runtime_register_natives
- Remove unused wasm_runtime_is_module_registered
- samples/multi-module: Examine module registration a bit
- samples/native-lib: Fix exec_env type
- Fix Linux SGX directional OCALL parameter for getsockname
- Fix threads issue to enable running threads spec proposal test cases
- Fix the "register native with iwasm" stuff for macOS
- Fix issues in assemblyscript lib
- Wrap wasi_socket_ext api with extern "C" to fix link failure with cxx project
- Fix invalid size of memory allocated in wasi init
- posix_thread.c: Avoid sem_getvalue deprecation warning on macOS

---

## WAMR-1.1.0

- Extend support for Socket API:
  - Implement IPv6 (along with IPv4) for all the socket-related operations
  - Enable resolving host name IP address by adding a host call to WASI
  - Implement a security feature for controlling what domains are allowed to be resolved
  - Allow configuring socket options by adding host calls to WASI for setting and reading the options
  - Enable connection-less communication between hosts by adding host calls to WASI for sending
  - data directly to a given address and receiving messages from a specific address
  - Fix verification of the address in the address pool
  - Add more samples and update the documents
  - Implement SGX IPFS as POSIX backend for file interaction for linux-sgx
- Integrates the Intel SGX feature called Intel Protection File System Library (IPFS) into the runtime
  to create, operate and delete files inside the enclave, while guaranteeing the confidentiality and
  integrity of the data persisted
- Make libc-builtin buffered printf be a common feature
- Enable passing through arguments for build_llvm.sh
- Update \_\_wasi_sock_accept signature to match wasi_snapshot_preview1
- Enable build wasi_socket_ext.c with both clang and clang++
- Add check for code section size, fix interpreter float operations
- Prevent an already detached thread from being detached again for thread manager
- Fix several issues related to AOT debug and update source_debugging.md
- Fix Windows/MSVC build issues and compile warnings
- Fix wasm loader: function sub local count can be 0
- Fix crash in dumping call stack when the AOT file doesn't contain custom name section
- Fix Dockerfile lint errors and suppress hadolint warnings for pinning versions part
- Fix Fast JIT issues reported by instrument test
- Fix link error for ESP-IDF 4.4.2
- Fix syntax errors and undefined names in Python code
- Fix issues reported by Coverity
- Fix Go binding build error
- Fix a wrongly named parameter and enhance the docs in bh_hashmap.h

---

## WAMR-1.0.0

- Implement Python language binding
- Implement Go language binding
- Implement Fast JIT engine
- Implement hw bound check for interpreter and Fast JIT
- Enable the semantic version mechanism for WAMR
- Implement POSIX semaphore support for linux platform
- Implement SGX getrandom/getentropy without ocall
- Enable remote attestation by librats in SGX mode
- Upgrade WAMR-IDE and source debugging
- Support print exception info in source debugger
- Support emit specified custom sections into AoT file
- Refactor spec test script and CI workflows
- Support integrate 3rd-party toolchains into wamrc
- Enable dump call stack to a buffer
- Enable aot compiler with llvm-14/15
- Don't suppress prev signal handler in hw bound check
- Remove unnecessary memset after mmap
- Refine wasm\*runtime_call_wasm_a/v
- Enable app management and thread support for esp32 arch
- Enable libc-wasi support for esp-idf arch
- Implement xtensa XIP
- Enable memory leak check
- Introduce basic CI for nuttx
- Update documents
- Fix module_realloc with NULL ptr issue
- Fix a typo of macro in wasm_application.c
- nuttx: add CONFIG_INTERPRETERS_WAMR_PERF_PROFILING
- aot_reloc_xtensa.c: define \_\_packed if not available
- Fix bh_vector extend_vector not locked issue
- Enable build libc-wasi for nuttx
- Fix typo in embed_wamr.md
- Fix drop opcode issue in fast interpreter
- Fix typos in wasm_mini_loader.c
- Fix issues reported by Coverity and Klocwork
- Add missing aot relocation symbols for xtensa target
- Add arc compiler-rt functions and reloc type for mwdt
- Fix get invokeNative float ret value issue with clang compiler
- Make robust on choosing target assumption for X86_32 support
- Fix an issue of wasm_cluster_spread_custom_data when called before exec
- Fix socket api verification of addresses in the address pool
- Add API wasm_runtime_set_module_inst
- Set noexecstack CXX link flags for wamrc
- Add import subtyping validation
- Fix libc-wasi/uvwasi poll/environ_get issues
- Add missing symbol for aot_reloc_arc.c
- Add a dev docker container for WAMR repo
- Fix dump call stack issue in interpreter
- Fix windows thread data issue and enhance windows os_mmap
- Support custom stack guard size
- Implement i64.div and i64.rem intrinsics
- Let iwasm return non-zero value when running failed
- Reserve one pointer size for fast-interp code_compiled_size
- Enable libc-wasi support for esp-idf
- Expose wasm_runtime_get_exec_env_singleton to the API users
- Normalize wasm types to refine interpreter call_indirect
- Remove unused wasm_runtime_create_exec_env_and_call_wasm
- Fix linear memory page count issues
- debug: Retire wasm_debug\*(get|set)\_engine_active mechanism
- wasm_application.c: Do not start debug instance automatically
- Fix typo in simd_conversions.c
- nuttx: Add CONFIG_INTERPRETERS_WAMR_DEBUG_INTERP
- Add a new API to get free memory in memory pool
- Fix multi-module and some other issues
- Fix build issue of the meshoptimizer workload
- Fix build error on alios platform

---

## WAMR-X.Y.Z

### Breaking Changes

### New Features

### Bug Fixes

### Enhancements

### Others

---
