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Merged
marc0olo merged 1 commit into from
Jul 6, 2026
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chore: bump Motoko to v1.11.0 #308

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2 changes: 1 addition & 1 deletion .sources/VERSIONS
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ chain-fusion-signer v0.4.0
papi v0.1.1 168bc9d
ic-pub-key v1.0.1 f89fa55
icp-cli v1.0.0 9eed60c
motoko v1.10.1 46e0755
motoko v1.11.0 c3a6eb3
motoko-core v2.4.0 cd37dbf
cdk-rs ic-cdk v0.20.1 / ic-cdk-timers v1.0.0 / ic-cdk-executor v2.0.0 317f55c
candid 2025-12-18 # candid v0.10.20, didc v0.5.4 2e4a2cf
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2 changes: 1 addition & 1 deletion .sources/motoko
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Submodule motoko updated 59 files
+16 −0 Changelog.md
+2 −2 doc/md/examples/grammar.txt
+9 −9 flake.lock
+6 −0 src/codegen/compile_classical.ml
+10 −0 src/codegen/compile_enhanced.ml
+1 −1 src/docs/extract.ml
+2 −2 src/js/astjs.ml
+4 −1 src/lang_utils/error_codes.ml
+2 −2 src/lowering/desugar.ml
+2 −2 src/mo_def/arrange.ml
+4 −4 src/mo_def/compUnit.ml
+3 −3 src/mo_def/syntax.ml
+2 −2 src/mo_frontend/definedness.ml
+7 −3 src/mo_frontend/parser.mly
+1 −0 src/mo_frontend/scope.ml
+1 −0 src/mo_frontend/scope.mli
+41 −95 src/mo_frontend/static.ml
+3 −4 src/mo_frontend/static.mli
+3 −3 src/mo_frontend/traversals.ml
+93 −26 src/mo_frontend/typing.ml
+1 −1 src/mo_idl/mo_to_idl.ml
+2 −2 src/mo_interpreter/interpret.ml
+3 −0 src/wasm-exts/customModule.ml
+14 −1 src/wasm-exts/customModuleDecode.ml
+8 −0 src/wasm-exts/customModuleEncode.ml
+0 −2 test/fail/enhanced-migration-bad-let.mo
+0 −34 test/fail/enhanced-migration-no-sideeffects.mo
+5 −0 test/fail/mixin-system-redundant.mo
+7 −0 test/fail/mixin-system.mo
+5 −0 test/fail/mixins-system-nested-fail.mo
+5 −0 test/fail/mixins-system-nested.mo
+1 −2 test/fail/mixins-system.mo
+5 −0 test/fail/mixins/NestedSystem.mo
+5 −0 test/fail/mixins/NestedSystem2.mo
+4 −0 test/fail/mixins/System.mo
+4 −0 test/fail/mixins/System2.mo
+8 −27 test/fail/ok/enhanced-migration-bad-let.tc-human.ok
+3 −10 test/fail/ok/enhanced-migration-bad-let.tc.ok
+0 −8 test/fail/ok/enhanced-migration-no-sideeffects.tc-human.ok
+0 −2 test/fail/ok/enhanced-migration-no-sideeffects.tc.ok
+4 −0 test/fail/ok/mixin-system-redundant.tc-human.ok
+1 −0 test/fail/ok/mixin-system-redundant.tc.ok
+4 −0 test/fail/ok/mixin-system.tc-human.ok
+0 −0 test/fail/ok/mixin-system.tc-human.ret.ok
+1 −0 test/fail/ok/mixin-system.tc.ok
+0 −0 test/fail/ok/mixin-system.tc.ret.ok
+5 −0 test/fail/ok/mixins-system-nested-fail.tc-human.ok
+1 −0 test/fail/ok/mixins-system-nested-fail.tc-human.ret.ok
+2 −0 test/fail/ok/mixins-system-nested-fail.tc.ok
+1 −0 test/fail/ok/mixins-system-nested-fail.tc.ret.ok
+2 −0 test/fail/ok/warn-help.tc-human.ok
+2 −0 test/fail/ok/warn-help.tc.ok
+17 −0 test/run-drun/enhanced-migration-mixin.mo
+9 −0 test/run-drun/enhanced-migration-mixin/Mixin.mo
+9 −0 test/run-drun/enhanced-migration-mixin/migrations/version1.mo
+2 −0 test/run-drun/ok/enhanced-migration-mixin.drun-run.ok
+6 −0 test/run/float32-precision.mo
+3 −0 test/run/float32.mo
+1 −0 test/run/ok/float32-precision.tc.ok
16 changes: 16 additions & 0 deletions docs/languages/motoko/reference/changelog.md
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Expand Up @@ -8,6 +8,22 @@ sidebar:

# Motoko compiler changelog

## 1.11.0 (2026-06-29)

* motoko (`moc`)

* feat: `moc` now emits the standardized `target_features` Wasm custom section, so `binaryen`-based tools (`wasm-opt`, `ic-wasm optimize`, `dfx`'s `optimize`) accept and optimize Motoko output without per-tool feature flags. Previously these tools defaulted to MVP and rejected the `multivalue`/`bulk-memory`/`memory64` features moc relies on (#6214).

* feat: a `Float32` literal written with more precision than the type can hold now warns (M0266), suggesting the shortest equivalent: e.g. `0.123456789 : Float32` → `0.12345679`. The surplus digits were already silently discarded by rounding; the warning fires only on genuine excess (minimal literals like `0.1`/`3.14` stay quiet) (#6198).

* feat: allow requiring `system` capability for `mixin` definitions (#6211).
This makes the capability available in initializers and the `mixin` body.
`<system>` then needs to appear on the corresponding `include`.

* feat: allow effectful code in transient `let`s and in `actor`/`mixin` bodies with `--enhanced-migration` (#6191).

* bugfix: `--enhanced-migration` now also applies to `mixin`s and considers their stable fields when checking migrations (#6183).

## 1.10.1 (2026-06-24)

* motoko (`moc`)
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