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chore: bump Motoko to v1.15.1 #379

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Merged
marc0olo merged 1 commit into from
Sep 7, 2026
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chore: bump Motoko to v1.15.1 #379

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2 changes: 1 addition & 1 deletion .sources/VERSIONS
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Expand Up @@ -38,5 +38,5 @@
# appear in docs before they ship to users.
# -------------------------------------------------------

motoko v1.15.0 0cc90c1
motoko v1.15.1 1f6fc15
internetidentity release-2026-08-28 583ad166
2 changes: 1 addition & 1 deletion .sources/motoko
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Submodule motoko updated 21 files
+0 −357 .agents/skills/migrating-motoko-enhanced/SKILL.md
+0 −187 .agents/skills/migrating-motoko/SKILL.md
+0 −486 .agents/skills/writing-motoko/SKILL.md
+0 −414 .agents/skills/writing-motoko/examples.md
+13 −0 Changelog.md
+10 −0 README.md
+1 −1 doc/md/reference/compiler-ref.md
+2 −2 rts/motoko-rts/src/idl.rs
+4 −0 src/codegen/compile_classical.ml
+17 −2 src/codegen/compile_enhanced.ml
+3 −3 src/exes/moc.ml
+3 −3 src/js/common.ml
+3 −3 src/pipeline/pipeline.ml
+5 −0 src/wasm-exts/customModule.ml
+2 −1 src/wasm-exts/customModuleDecode.ml
+15 −0 test/repl/em-strip-stable-types-section.sh
+3 −0 test/repl/em-strip-stable-types-section/main.mo
+9 −0 test/repl/em-strip-stable-types-section/migrations/1.mo
+3 −0 test/repl/em-strip-stable-types-section/plain.mo
+10 −0 test/repl/ok/em-strip-stable-types-section.stdout.ok
+99 −0 test/run/candid-record-field-skip.mo
13 changes: 13 additions & 0 deletions docs/languages/motoko/reference/changelog.md
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Expand Up @@ -8,6 +8,19 @@ sidebar:

# Motoko compiler changelog

## 1.15.1 (2026-09-02)

* motoko (`moc`)

* fix: Strip the `motoko:stable-types` custom section from the wasm
under `--enhanced-migration`: it can grow very large with migration
chains, and the runtime system already enforces stable-type
compatibility at upgrade time. Compile-time validation and the
`.most` output under `--stable-types` are unaffected (#6073).

* bugfix: Candid record decoding now skips trailing extra fields whose count
is a multiple of 256; the skip count had been truncated to a byte (#6334).

## 1.15.0 (2026-08-28)

* motoko (`moc`)
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2 changes: 1 addition & 1 deletion docs/languages/motoko/reference/compiler-ref.md
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Expand Up @@ -36,7 +36,7 @@ You can use the following options with the `moc` command.
| `--copying-gc` | Use copying GC (only available with legacy/classical persistence). |
| `--debug` | Respects debug expressions in the source (the default). |
| `--enhanced-orthogonal-persistence` | Use enhanced orthogonal persistence (default): Scalable and fast upgrades using a persistent 64-bit main memory. |
| `--enhanced-migration <dir>` | Enable enhanced migration system: requires initializers for all stable variables, disallows side-effects in actor bodies; only available with enhanced orthogonal persistence. |
| `--enhanced-migration <dir>` | Enable enhanced migration system: requires initializers for all stable variables, disallows side-effects in actor bodies; only available with enhanced orthogonal persistence. The `motoko:stable-types` custom section is omitted from the wasm (the runtime system enforces stable-type compatibility at upgrade time); the `.most` file is still emitted under `--stable-types`. |
| `--error-detail <n>` | Set level of error message detail for syntax errors, n in \[0..3\] (default 2). |
| `--experimental-stable-memory <n>` | Select support for the deprecated `ExperimentalStableMemory.mo` library (n < 0: error, n = 0: warn, n > 0: allow) (default 0). |
| `-fno-shared-code` | Do not share low-level utility code: larger code size but decreased cycle consumption (default). |
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