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CHANGELOG.md

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Changelog

All PRs to the Wasmer repository must add to this file.

Blocks of changes will separated by version increments.

[Unreleased]

Special thanks to @YaronWittenstein @penberg for their contributions.

  • #650 Implement wasi::path_rename, improve WASI FS public api, and allow open files to exist even when the underlying file is deleted
  • #643 Implement wasi::path_symlink and improve WASI FS public api IO error reporting
  • #608 Implement wasi syscalls fd_allocate, fd_sync, fd_pread, path_link, path_filestat_set_times; update WASI fs API in a WIP way; reduce coupling of WASI code to host filesystem; make debug messages from WASI more readable; improve rights-checking when calling syscalls; implement reference counting on inodes; misc bug fixes and improvements
  • #616 Create the import object separately from instance instantiation in runtime-c-api
  • #620 Replace one throw() with noexcept in llvm backend
  • #618 Implement InternalEvent::Breakpoint in the llvm backend to allow metering in llvm
  • #615 Eliminate FunctionEnvironment construction in feed_event() speeding up to 70% of compilation in clif
  • #609 Update dependencies
  • #602 C api extract instance context from instance
  • #590 Error visibility changes in wasmer-c-api
  • #589 Make wasmer_byte_array fields public in wasmer-c-api

0.6.0 - 2019-07-31

  • #603 Update Wapm-cli, bump version numbers
  • #595 Add unstable public API for interfacing with the WASI file system in plugin-like usecases
  • #598 LLVM Backend is now supported in Windows
  • #599 Fix llvm backend failures in fat spec tests and simd_binaryen spec test.
  • #579 Fix bug in caching with LLVM and Singlepass backends. Add default-backend-singlepass, default-backend-llvm, and default-backend-cranelift features to wasmer-runtime to control the default_compiler() function (this is a breaking change). Add compiler_for_backend function in wasmer-runtime
  • #561 Call the data_finalizer field on the Ctx
  • #576 fix Drop of uninit Ctx
  • #542 Add SIMD support to Wasmer (LLVM backend only)
    • Updates LLVM to version 8.0

0.5.7 - 2019-07-23

  • #575 Prepare for release; update wapm to 0.3.6
  • #555 WASI filesystem rewrite. Major improvements
    • adds virtual root showing all preopened directories
    • improved sandboxing and code-reuse
    • symlinks work in a lot more situations
    • many misc. improvements to most syscalls touching the filesystem

0.5.6 - 2019-07-16

  • #565 Update wapm and bump version to 0.5.6
  • #563 Improve wasi testing infrastructure
    • fixes arg parsing from comments & fixes the mapdir test to have the native code doing the same thing as the WASI code
    • makes wasitests-generate output stdout/stderr by default & adds function to print stdout and stderr for a command if it fails
    • compiles wasm with size optimizations & strips generated wasm with wasm-strip
  • #554 Finish implementation of wasi::fd_seek, fix bug in filestat
  • #550 Fix singlepass compilation error with imul instruction

0.5.5 - 2019-07-10

  • #541 Fix dependency graph by making separate test crates; ABI implementations should not depend on compilers. Add Cranelift fork as git submodule of clif-backend
  • #537 Add hidden flag (--cache-key) to use prehashed key into the compiled wasm cache and change compiler backend-specific caching to use directories
  • #536 Update cache to use compiler backend name in cache key

0.5.4 - 2019-07-06

  • #529 Updates the Wasm Interface library, which is used by wapm, with bug fixes and error message improvements

0.5.3 - 2019-07-03

  • #523 Update wapm version to fix bug related to signed packages in the global namespace and locally-stored public keys

0.5.2 - 2019-07-02

  • #516 Add workaround for singlepass miscompilation on GetLocal
  • #521 Update Wapm-cli, bump version numbers
  • #518 Update Cranelift and WasmParser
  • #514 #519 Improved Emscripten network related calls, added a null check to WasmPtr
  • #515 Improved Emscripten dyncalls
  • #513 Fix emscripten lseek implementation.
  • #510 Simplify construction of floating point constants in LLVM backend. Fix LLVM assertion failure due to definition of %ctx.

0.5.1 - 2019-06-24

  • #508 Update wapm version, includes bug fixes

0.5.0 - 2019-06-17

  • #471 Added missing functions to run Python. Improved Emscripten bindings
  • #494 Remove deprecated type aliases from libc in the runtime C API
  • #493 wasmer_module_instantiate has better error messages in the runtime C API
  • #474 Set the install name of the dylib to @rpath
  • #490 Add MiddlewareChain and StreamingCompiler to runtime
  • #487 Fix stack offset check in singlepass backend
  • #450 Added Metering
  • #481 Added context trampoline into runtime
  • #484 Fix bugs in emscripten socket syscalls
  • #476 Fix bug with wasi::environ_get, fix off by one error in wasi::environ_sizes_get
  • #470 Add mapdir support to Emscripten, implement getdents for Unix
  • #467 wasmer_instantiate returns better error messages in the runtime C API
  • #463 Fix bug in WASI path_open allowing one level above preopened dir to be accessed
  • #461 Prevent passing negative lengths in various places in the runtime C API
  • #459 Add monotonic and real time clocks for wasi on windows
  • #447 Add trace macro (--features trace) for more verbose debug statements
  • #451 Add --mapdir=src:dest flag to rename host directories in the guest context
  • #457 Implement file metadata for WASI, fix bugs in WASI clock code for Unix platforms

0.4.2 - 2019-05-16

  • #416 Remote code loading framework
  • #449 Fix bugs: opening host files in filestat and opening with write permissions unconditionally in path_open
  • #442 Misc. WASI FS fixes and implement readdir
  • #440 Fix type mismatch between wasmer_instance_call and wasmer_export_func_*_arity functions in the runtime C API.
  • #269 Add better runtime docs
  • #432 Fix returned value of wasmer_last_error_message in the runtime C API
  • #429 Get wasi::path_filestat_get working for some programs; misc. minor WASI FS improvements
  • #413 Update LLVM backend to use new parser codegen traits

0.4.1 - 2019-05-06

  • #426 Update wapm-cli submodule, bump version to 0.4.1
  • #422 Improved Emscripten functions to run optipng and pngquant compiled to wasm
  • #409 Improved Emscripten functions to run JavascriptCore compiled to wasm
  • #399 Add example of using a plugin extended from WASI
  • #397 Fix WASI fs abstraction to work on Windows
  • #390 Pin released wapm version and add it as a git submodule
  • #408 Add images to windows installer and update installer to add wapm bin directory to path

0.4.0 - 2019-04-23

  • #383 Hook up wasi exit code to wasmer cli.
  • #382 Improve error message on --backend flag to only suggest currently enabled backends
  • #381 Allow retrieving propagated user errors.
  • #379 Fix small return types from imported functions.
  • #371 Add more Debug impl for WASI types
  • #368 Fix issue with write buffering
  • #343 Implement preopened files for WASI and fix aligment issue when accessing WASI memory
  • #367 Add caching support to the LLVM backend.
  • #366 Remove UserTrapper trait to fix #365.
  • #348 Refactor internal runtime ↔️ backend abstraction.
  • #355 Misc changes to Cargo.tomls for publishing
  • #352 Bump version numbers to 0.3.0
  • #351 Add hidden option to specify wasm program name (can be used to improve error messages)
  • #350 Enforce that CHANGELOG.md is updated through CI.
  • #349 Add CHANGELOG.md.

0.3.0 - 2019-04-12

  • #276 #288 #344 Use new singlepass backend (with the --backend=singlepass when running Wasmer)
  • #338 Actually catch traps/panics/etc when using a typed func.
  • #325 Fixed func_index in debug mode
  • #323 Add validate subcommand to validate Wasm files
  • #321 Upgrade to Cranelift 0.3.0
  • #319 Add Export and GlobalDescriptor to Runtime API
  • #310 Cleanup warnings
  • #299 #300 #301 #303 #304 #305 #306 #307 Add support for WASI 🎉
  • #286 Add extend to imports
  • #278 Add versioning to cache
  • #250 Setup bors