Topics:
- Blockers (4 messages, latest: Jul 22 2026 at 23:32)
- Broken Exercism exercises (34 messages, latest: Jul 22 2026 at 12:27)
- Three WASM build pipeline issues on latest nightly (afef911) (8 messages, latest: Jul 22 2026 at 10:01)
- false positive type error? (5 messages, latest: Jul 19 2026 at 20:44)
- Imports with same module names (5 messages, latest: Jul 17 2026 at 23:08)
- Annotation dependent inference when destructuring opaque (10 messages, latest: Jul 17 2026 at 19:31)
- roc docs - incorrect generated annotation (5 messages, latest: Jul 15 2026 at 13:46)
- Two tasty bugs and an overflow (2 messages, latest: Jul 05 2026 at 12:07)
- Record field name with dollar prefix (6 messages, latest: Jul 03 2026 at 16:22)
- Test evaluation failed: error.StackOverflow (5 messages, latest: Jul 02 2026 at 14:03)
- roc docs bad reference to [Str] inside opaque type (2 messages, latest: Jun 29 2026 at 13:56)
- ✔ Nominal unit type constructor fails (4 messages, latest: Jun 23 2026 at 12:12)
- Operator priority // vs % (5 messages, latest: Jun 19 2026 at 14:19)
- Two panics (6 messages, latest: Jun 12 2026 at 17:47)
- Inverted record fields (4 messages, latest: Jun 10 2026 at 21:23)
- Panic with latest roc build (18 messages, latest: Jun 10 2026 at 20:49)
- 1.to(10) unresolved type? (15 messages, latest: Jun 10 2026 at 01:57)
- Segfault with match (3 messages, latest: Jun 08 2026 at 09:07)
- website - documentation for builtins (4 messages, latest: Jun 06 2026 at 13:46)
- ✔ (Probable) memory corruption issue with List.len() (1 message, latest: May 15 2026 at 21:52)
- ✔ 8 bug issues filed (1 message, latest: May 15 2026 at 21:52)
- ✔ 132 SIGIL: illegal hardware instruction in roc check (3 messages, latest: May 15 2026 at 21:51)
- 8 bug issues filed (4 messages, latest: May 09 2026 at 17:00)
- (Probable) memory corruption issue with List.len() (5 messages, latest: May 06 2026 at 19:22)
- incompatible, but identical, types in list (5 messages, latest: Apr 12 2026 at 18:23)
- Occasional panic associated with List.len (13 messages, latest: Mar 23 2026 at 11:18)
- Occasional panic associated with list append (1 message, latest: Mar 06 2026 at 19:54)
- Unhelpful err msg for return in expression position (1 message, latest: Feb 27 2026 at 21:56)
- Roc crashed: Builtin.U8 does not implement len() (7 messages, latest: Feb 20 2026 at 19:33)
- Num.atan gives inconsistent values (8 messages, latest: Feb 17 2026 at 22:34)
- Website expired? (3 messages, latest: Jan 26 2026 at 18:35)
- Interpreter panic: attempt to use null value (7 messages, latest: Jan 24 2026 at 00:06)
- roc build not compiling app sibling modules (14 messages, latest: Jan 23 2026 at 00:10)
- crashes with alignment panic during builtin loading (4 messages, latest: Jan 20 2026 at 01:50)
- SD incorrectly allows functions w/o type as 1st arg (7 messages, latest: Jan 14 2026 at 22:20)
- Program has different behavior depending on `dbg` place... (21 messages, latest: Jan 14 2026 at 18:35)
- Unification Errors (3 messages, latest: Jan 14 2026 at 07:27)
- Panics (1 message, latest: Jan 13 2026 at 18:00)
- ✔ increfDataPtrC: ORIGINAL ptr is not 8-byte aligned (2 messages, latest: Jan 13 2026 at 17:59)
- Tag union merging (3 messages, latest: Jan 13 2026 at 16:36)
- increfDataPtrC: ORIGINAL ptr is not 8-byte aligned (2 messages, latest: Jan 10 2026 at 12:04)
- ✔ increfDataPtrC: ORIGINAL ptr=0x2 is not 8-byte aligned (1 message, latest: Jan 10 2026 at 12:03)
- increfDataPtrC: ORIGINAL ptr=0x2 is not 8-byte aligned (1 message, latest: Jan 05 2026 at 17:42)
- ✔ Roc exits unexpectedly with exit code 139 (3 messages, latest: Jan 05 2026 at 17:38)
- Roc exits unexpectedly with exit code 139 (1 message, latest: Jan 04 2026 at 12:00)
- ✔ index out of bounds: index 2863311530, len 5107 (2 messages, latest: Jan 04 2026 at 12:00)
- ✔ Roc crashed: e_tag: unexpected layout type (1 message, latest: Jan 03 2026 at 17:53)
- ✔ TypeMismatch in match_branches continuation (1 message, latest: Jan 02 2026 at 10:13)
- Roc crashed: e_tag: unexpected layout type (1 message, latest: Jan 02 2026 at 10:12)
- ✔ Roc exits randomly with exit code 1 (2 messages, latest: Jan 01 2026 at 11:43)
- ✔ panic: reached unreachable code (5 messages, latest: Jan 01 2026 at 11:43)
- ✔ Error evaluating: TypeContainedMismatch (6 messages, latest: Jan 01 2026 at 11:43)
- Roc exits randomly with exit code 1 (4 messages, latest: Dec 31 2025 at 10:25)
- ✔ The Roc compiler overflowed its stack memory and had to... (1 message, latest: Dec 30 2025 at 16:42)
- The Roc compiler overflowed its stack memory and had to exit (3 messages, latest: Dec 29 2025 at 09:46)
- panic: reached unreachable code (4 messages, latest: Dec 29 2025 at 09:41)
- ✔ `roc fmt` breaks doc comments (2 messages, latest: Dec 28 2025 at 12:07)
- ✔ Seeing panic with SIGSEGV with absolutely minimal program (1 message, latest: Dec 27 2025 at 16:26)
- `roc fmt` breaks doc comments (1 message, latest: Dec 27 2025 at 06:16)
- CT Type Unification Issue (4 messages, latest: Dec 27 2025 at 03:34)
- Seeing panic with SIGSEGV with absolutely minimal program (26 messages, latest: Dec 26 2025 at 17:50)
- ✔ Panic: integer overflow (1 message, latest: Dec 26 2025 at 16:06)
- Panic: integer overflow (1 message, latest: Dec 26 2025 at 10:04)
- ✔ Cannot set the value of a mutable variable in pattern m... (3 messages, latest: Dec 25 2025 at 09:13)
- ✔ Memory leak (probably caused by inline function definit... (1 message, latest: Dec 23 2025 at 21:11)
- Memory leak (probably caused by inline function definition) (2 messages, latest: Dec 22 2025 at 09:27)
- ✔ Rank mismatch panic (3 messages, latest: Dec 21 2025 at 04:31)
- TypeMismatch in match_branches continuation (1 message, latest: Dec 20 2025 at 17:29)
- Rank mismatch panic (2 messages, latest: Dec 19 2025 at 17:43)
- ✔ Changing type definition causes program behaviour to ch... (1 message, latest: Dec 19 2025 at 17:38)
- Changing type definition causes program behaviour to change (3 messages, latest: Dec 19 2025 at 08:19)
- Runtime Panic/Incorrect Try matching with List(Try)) (1 message, latest: Dec 17 2025 at 02:11)
- ✔ Rank mismatch panic in new compiler (2 messages, latest: Dec 13 2025 at 20:32)
- Panic use-after-free for List.with_capacity (1 message, latest: Dec 13 2025 at 20:18)
- Panic crash due to problems in type inference (1 message, latest: Dec 13 2025 at 18:19)
- InvalidMethodReceiver crash on static dispatch for Try (1 message, latest: Dec 13 2025 at 17:54)
- Crash on lookup for tags (4 messages, latest: Dec 13 2025 at 12:25)
- ✔ Panic in new compiler (1 message, latest: Dec 13 2025 at 08:35)
- Panic use-after-free with long Stdin + while loop (6 messages, latest: Dec 12 2025 at 15:32)
- ✔ List.fold_rev static dispatch panics (1 message, latest: Dec 12 2025 at 14:26)
- ✔ Crash on trivial program (5 messages, latest: Dec 12 2025 at 10:53)
- ✔ Panic use-after-free with long Stdin + List.append (5 messages, latest: Dec 12 2025 at 09:36)
- ✔ Panic on List.first static dispatch and memory leak (3 messages, latest: Dec 12 2025 at 09:35)
- Panic When Mapping -> Try function on List (12 messages, latest: Dec 11 2025 at 02:43)
- ✔ Panicking On Roc Run and Roc Check (6 messages, latest: Dec 11 2025 at 02:29)
- List.fold_rev static dispatch panics (3 messages, latest: Dec 10 2025 at 19:03)
- List.concat bug in function (3 messages, latest: Dec 10 2025 at 17:45)
- ✔ Extra `}` do not cuase error in new compiler (1 message, latest: Dec 09 2025 at 18:35)
- Panic in new compiler (9 messages, latest: Dec 09 2025 at 18:34)
- Multiline top-level string literal leaking memory (6 messages, latest: Dec 09 2025 at 15:49)
- InvalidMethodReceiver regression on some List functions (2 messages, latest: Dec 08 2025 at 21:27)
- Eisenbug panic (half the time) (14 messages, latest: Dec 08 2025 at 14:31)
- Extra `}` do not cuase error in new compiler (6 messages, latest: Dec 07 2025 at 15:50)
- AOC platform segmentation fault (7 messages, latest: Dec 06 2025 at 23:20)
- ✔ Another e_closure error (1 message, latest: Dec 06 2025 at 14:49)
- ✔ Type-related crash with Str.to_utf8 (6 messages, latest: Dec 06 2025 at 14:48)
- ✔ Regressions (segfaults) after the latest PR (ranges) (2 messages, latest: Dec 06 2025 at 14:48)
- Type-related crash with Str.to_utf8 (1 message, latest: Dec 06 2025 at 11:52)
- Regressions (segfaults) after the latest PR (ranges) (10 messages, latest: Dec 06 2025 at 10:53)
- Segfault on recursive function definition (3 messages, latest: Dec 04 2025 at 22:36)
- Another e_closure error (10 messages, latest: Dec 04 2025 at 20:25)
- missing method: from_numeral (6 messages, latest: Dec 04 2025 at 13:46)
- ✔ platform std.Thread.spawn -> unreachable -> segfault (4 messages, latest: Dec 04 2025 at 04:18)
- Segfault and a few missing functions (20 messages, latest: Dec 04 2025 at 00:41)
- Issue with Closures on map_ok and map_err (1 message, latest: Dec 03 2025 at 18:11)
- Found another segfault! (8 messages, latest: Dec 03 2025 at 17:55)
- Ok(u8_num) => u8_num shows as <unsupported> (2 messages, latest: Dec 03 2025 at 13:18)
- Type checking with question mark operator ? and branching (18 messages, latest: Dec 03 2025 at 02:47)
- Issues Working with Multiple Try Errors (3 messages, latest: Dec 02 2025 at 02:42)
- Double-free on string where len >= 24 (8 messages, latest: Dec 01 2025 at 21:38)
- segfault and use after free panic (13 messages, latest: Dec 01 2025 at 21:28)
- Number misinterpretation bug (5 messages, latest: Nov 30 2025 at 17:42)
- List builtins crash roc when returning tag (10 messages, latest: Nov 29 2025 at 01:29)
- ✔ Error when assigning negative number with no whitespace (4 messages, latest: Nov 04 2025 at 09:20)
- Confusing error message (3 messages, latest: Oct 22 2025 at 15:58)
- Compiler crash from unresolved / unused type variable (11 messages, latest: Sep 29 2025 at 15:46)
- ✔ Zed plugin incorrectly highlights "to" inside identifiers (1 message, latest: Aug 15 2025 at 08:20)
- Zed plugin incorrectly highlights "to" inside identifiers (5 messages, latest: Aug 12 2025 at 14:03)
- ✔ Compiler crash from pattern matching on nested extended... (3 messages, latest: Jul 30 2025 at 15:51)
- ✔ Compiler crash from branching recursive nominal types (1 message, latest: Jul 28 2025 at 19:17)
- Compiler crash from pattern matching on nested extended tags (6 messages, latest: Jul 25 2025 at 20:20)
- Compiler crash from branching recursive nominal types (5 messages, latest: Jul 25 2025 at 14:16)
- Package cache directory resolution bug (8 messages, latest: Jul 23 2025 at 13:21)
- roc_language_server memory issue? (5 messages, latest: Jul 16 2025 at 15:44)
- website down? (7 messages, latest: Jul 08 2025 at 08:42)
- roc check crash in simple multi-file project (72 messages, latest: Jun 28 2025 at 13:50)
- ✔ Dead link on every.org (4 messages, latest: Jun 11 2025 at 09:37)
- ✔ segfault on failing multi-line tests with a float def (39 messages, latest: May 19 2025 at 12:12)
- lsp memory leak (20 messages, latest: May 14 2025 at 14:38)
- Basic-web: Dir.create(_all)! cannot link on Darwin/Aarch64 (9 messages, latest: Apr 15 2025 at 16:56)
- "Hit an erroneous type when creating a layout for <Type>.." (7 messages, latest: Mar 19 2025 at 20:01)
- ✔ Language server memory leak (8 messages, latest: Feb 14 2025 at 04:11)
- Weird bug with type inference/unification (11 messages, latest: Feb 03 2025 at 19:23)
- `roc build` throws error "NOT END OF FILE" (14 messages, latest: Jan 31 2025 at 09:46)
- too few args (66 messages, latest: Jan 27 2025 at 15:56)
- ✔ Can't rename a polymorphic function? (57 messages, latest: Jan 23 2025 at 23:57)
- mono mismatch between mac aarch64 and rest of targets (63 messages, latest: Jan 23 2025 at 09:16)
- Panic in: bumpalo-3.14.0/src/collections/raw_vec.rs (29 messages, latest: Jan 21 2025 at 15:21)
- ✔ Parse error when function conditionally returns list (6 messages, latest: Jan 16 2025 at 19:00)
- ✔ Num.shift_right_by mutating its arguments (4 messages, latest: Jan 15 2025 at 19:26)
- Compiler panic for naming mismatch between type def and use (131 messages, latest: Jan 08 2025 at 18:53)
- ✔ effectful functions cannot be stored in a record with PI (49 messages, latest: Jan 08 2025 at 14:17)
- ✔ `Roc check` stack overflow (migration to PI) (19 messages, latest: Jan 06 2025 at 21:18)
- ✔ Value defined in prior line not recognized in function ... (9 messages, latest: Dec 31 2024 at 20:51)
- recursion in a record (30 messages, latest: Dec 31 2024 at 03:01)
- roc repl failing on latest for basically anything (25 messages, latest: Dec 29 2024 at 15:13)
- Effectful function error not good (10 messages, latest: Dec 28 2024 at 21:10)
- ✔ Roc docs hangs for any package depending on another pac... (6 messages, latest: Dec 26 2024 at 19:22)
- basic-webserver sqlite constraint violation errors swallowed (7 messages, latest: Dec 25 2024 at 20:06)
- malloc(): unsorted double linked list corrupted (5 messages, latest: Dec 20 2024 at 17:31)
- Segmentation fault in basic-cli (6 messages, latest: Dec 20 2024 at 09:59)
- opportunistic mutation bug with "--optimize"? (4 messages, latest: Dec 17 2024 at 05:48)
- Fluffing doesn't naively work for tags (59 messages, latest: Dec 15 2024 at 05:03)
- Off by one error running with 'optimize' (52 messages, latest: Dec 14 2024 at 07:14)
- ✔ Struct memory partially zeroed between Roc and Rust (48 messages, latest: Dec 13 2024 at 22:12)
- Weird behaviour with dict and U128 (36 messages, latest: Dec 13 2024 at 04:12)
- Memory Leak issue when programming Roc in Zed (13 messages, latest: Dec 11 2024 at 17:53)
- Roc formatter bug (6 messages, latest: Dec 11 2024 at 02:26)
- Bug: Running num.Pow results in a crash (33 messages, latest: Dec 09 2024 at 00:28)
- LLVM IR output in compiler crash during AOC! (192 messages, latest: Dec 07 2024 at 18:46)
- Compiler Crash in large-ish when expr with multiple guards (7 messages, latest: Dec 04 2024 at 03:25)
- Lame error message - "Something is off" (8 messages, latest: Dec 03 2024 at 19:49)
- Malformed (?) nested types compiler crash (2 messages, latest: Dec 03 2024 at 18:56)
- Treesitter expression body error (15 messages, latest: Dec 03 2024 at 03:25)
- Compiler bug? Unwrapping 'none' value (7 messages, latest: Dec 02 2024 at 10:20)
- Compiler crash when it can not find out the Err type (21 messages, latest: Dec 01 2024 at 18:56)
- ✔ Compiler mixing up tasks and effectful functions (10 messages, latest: Dec 01 2024 at 18:26)
- Extremely confusing errors from try and ? operator (33 messages, latest: Dec 01 2024 at 16:35)
- Tutorial styles broken (5 messages, latest: Dec 01 2024 at 04:50)
- roc test crash (84 messages, latest: Dec 01 2024 at 04:48)
- F64 rounding errors in Roc and Decimal to F64 conversion (7 messages, latest: Nov 27 2024 at 14:39)
- Nightly build outdated? (7 messages, latest: Nov 20 2024 at 18:38)
- channel events (2 messages, latest: Nov 19 2024 at 16:33)
- Num.sqrt on roc-lang online repl not working? (9 messages, latest: Nov 16 2024 at 17:47)
- bugs with early return followed by effectful functions (2 messages, latest: Nov 15 2024 at 23:44)
- Type mismatch with the same type (19 messages, latest: Nov 07 2024 at 10:24)
- platform templates outdated (27 messages, latest: Nov 06 2024 at 01:03)
- F32 -> llvm i128 (Dec) inference/specialization bug (8 messages, latest: Oct 26 2024 at 16:56)
- U32 to I64 casting (3 messages, latest: Oct 25 2024 at 09:09)
Last updated: Jul 23 2026 at 13:15 UTC