Release v0.12.0 (#1087)

Signed-off-by: Simon Davies <simongdavies@users.noreply.github.com>

Author: simongdavies

CHANGELOG.md

@@ -4,10 +4,21 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Prerelease] - Unreleased
 
+## [v0.12.0] - 2025-12-09
+
+### Fixed
+* Fix guest tracing deadlock when exception happens during tracing data serialization by @dblnz in https://github.com/hyperlight-dev/hyperlight/pull/1066
+* Fix StackOverflow produced by guest logging by @dblnz in https://github.com/hyperlight-dev/hyperlight/pull/1067
+* Fix guest call to `halt` not dropping allocated trace data leading to memory leak  by @dblnz in https://github.com/hyperlight-dev/hyperlight/pull/1072
+* Update the interrupt handler for 16byte alignment by @jsturtevant in https://github.com/hyperlight-dev/hyperlight/pull/1037
+
+### Added
+* Guest function improvements and macros by @jprendes in https://github.com/hyperlight-dev/hyperlight/pull/851
+* Add metric for erroneous vCPU kicks from stale cancellations by @Copilot in https://github.com/hyperlight-dev/hyperlight/pull/1034
+
 ### Removed
 * Remove outdated `is_supported_platform` (use `is_hypervisor_present` instead) and unused `ExtraAllowedSyscall` by @ludfjig in https://github.com/hyperlight-dev/hyperlight/pull/1062
 
-
 ## [v0.11.0] - 2025-11-04
 
 ### Fixed
@@ -225,7 +236,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 The Initial Hyperlight Release 🎉 
 
 
-[Prerelease]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.11.0..HEAD>
+[Prerelease]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.12.0..HEAD>
+[v0.12.0]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.10.0...v0.12.0>
 [v0.11.0]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.10.0...v0.11.0>
 [v0.10.0]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.9.0...v0.10.0>
 [v0.9.0]: <https://github.com/hyperlight-dev/hyperlight/compare/v0.8.0...v0.9.0>

Cargo.lock

@@ -27,7 +27,7 @@ exclude = [
 ]
 
 [workspace.package]
-version = "0.11.0"
+version = "0.12.0"
 edition = "2024"
 rust-version = "1.89"
 license = "Apache-2.0"
@@ -36,15 +36,15 @@ repository = "https://github.com/hyperlight-dev/hyperlight"
 readme = "README.md"
 
 [workspace.dependencies]
-hyperlight-common = { path = "src/hyperlight_common", version = "0.11.0", default-features = false }
-hyperlight-host = { path = "src/hyperlight_host", version = "0.11.0", default-features = false }
-hyperlight-guest = { path = "src/hyperlight_guest", version = "0.11.0", default-features = false }
-hyperlight-guest-bin = { path = "src/hyperlight_guest_bin", version = "0.11.0", default-features = false }
-hyperlight-guest-macro = { path = "src/hyperlight_guest_macro", version = "0.11.0", default-features = false }
+hyperlight-common = { path = "src/hyperlight_common", version = "0.12.0", default-features = false }
+hyperlight-host = { path = "src/hyperlight_host", version = "0.12.0", default-features = false }
+hyperlight-guest = { path = "src/hyperlight_guest", version = "0.12.0", default-features = false }
+hyperlight-guest-bin = { path = "src/hyperlight_guest_bin", version = "0.12.0", default-features = false }
+hyperlight-guest-macro = { path = "src/hyperlight_guest_macro", version = "0.12.0", default-features = false }
 hyperlight-testing = { path = "src/hyperlight_testing", default-features = false }
-hyperlight-guest-tracing = { path = "src/hyperlight_guest_tracing", version = "0.11.0", default-features = false }
-hyperlight-component-util = { path = "src/hyperlight_component_util", version = "0.11.0", default-features = false }
-hyperlight-component-macro = { path = "src/hyperlight_component_macro", version = "0.11.0", default-features = false }
+hyperlight-guest-tracing = { path = "src/hyperlight_guest_tracing", version = "0.12.0", default-features = false }
+hyperlight-component-util = { path = "src/hyperlight_component_util", version = "0.12.0", default-features = false }
+hyperlight-component-macro = { path = "src/hyperlight_component_macro", version = "0.12.0", default-features = false }
 
 [workspace.lints.rust]
 unsafe_op_in_unsafe_fn = "deny"