Issues

• Fpy test framework

  fprime-community/fpy#279 · Filter by author zimri-leisher opened on Oct 20, 2026

• Flight rules

  fprime-community/fpy#278 · Filter by author zimri-leisher opened on Oct 20, 2026

• Defer stmt

  fprime-community/fpy#263 · Filter by author zimri-leisher opened on Oct 13, 2026

• Match statement

  fprime-community/fpy#255 · Filter by author zimri-leisher opened on Sep 17, 2026

• exit() shares a return type with builtins that actually return

  fprime-community/fpy#253 · Filter by author zimri-leisher opened on Sep 10, 2026

• Importing the main sequence exposes its top-level variables, and using one crashes both backends

  fprime-community/fpy#249 · Filter by author zimri-leisher opened on Sep 9, 2026

• fpybc: a bool byte that is neither 0x00 nor 0xFF is true, and equal to neither True nor False

  fprime-community/fpy#248 · Filter by author zimri-leisher opened on Sep 9, 2026

• Rename NOTHING type to UNIT

  fprime-community/fpy#239 · Filter by author zimri-leisher opened on Sep 8, 2026

• fpybc traps ARITHMETIC_OVERFLOW on U64 arithmetic whose result is representable

  fprime-community/fpy#234 · Filter by author zimri-leisher opened on Sep 8, 2026

• Directives are size-checked against MAX_DIRECTIVE_SIZE (2048) instead of the 506-byte statement argument buffer

  fprime-community/fpy#233 · Filter by author zimri-leisher opened on Sep 8, 2026

• write_to_port of a value the connected typed port cannot deserialize FW_ASSERT-aborts the FpySequencer

  fprime-community/fpy#232 · Filter by author zimri-leisher opened on Sep 8, 2026
  1

• Neither backend checks that a telemetry/parameter value is the size the compiled sequence assumed

  fprime-community/fpy#231 · Filter by author zimri-leisher opened on Sep 8, 2026

• fprime-fpy-cmd sends commands that enclosing control flow would skip

  fprime-community/fpy#230 · Filter by author zimri-leisher opened on Sep 8, 2026

• Casting an infinite constant float to an integer type crashes the compiler with OverflowError

  fprime-community/fpy#229 · Filter by author zimri-leisher opened on Sep 8, 2026

• Mixed tabs and spaces in indentation compile silently with tab = 8 instead of being rejected

  fprime-community/fpy#227 · Filter by author zimri-leisher opened on Sep 7, 2026
  1

• write_to_port of a value larger than the WasmSequencer's serialOutMax traps on wasm but succeeds on fpybc

  fprime-community/fpy#226 · Filter by author zimri-leisher opened on Sep 7, 2026

• Fw.LogSeverity is not validated against the dictionary like the other canonical types

  fprime-community/fpy#225 · Filter by author zimri-leisher opened on Sep 7, 2026

• FwSizeStoreType = U8: oversized strings and directives crash the compiler with struct.error instead of a diagnostic

  fprime-community/fpy#224 · Filter by author zimri-leisher opened on Sep 7, 2026
  1

• Dictionaries with FwSizeType = U32 crash the compiler with an AssertionError before reading any source

  fprime-community/fpy#223 · Filter by author zimri-leisher opened on Sep 7, 2026

• time() hardcodes U8 for timeContext, so its constants are the wrong size when FwTimeContextStoreType is not U8

  fprime-community/fpy#221 · Filter by author zimri-leisher opened on Sep 7, 2026

• Investigate wasmseq cancel

  fprime-community/fpy#220 · Filter by author zimri-leisher opened on Sep 7, 2026

• Named arguments are evaluated in parameter order, not source order

  fprime-community/fpy#219 · Filter by author zimri-leisher opened on Sep 7, 2026

• now() - {seconds: 1} compiles as Time - Time because Time - TimeInterval is not defined

  fprime-community/fpy#210 · Filter by author zimri-leisher opened on Sep 5, 2026

• wasm backend: KeyError when a folded constant aggregate is indexed with a constant and then a runtime index

  fprime-community/fpy#209 · Filter by author zimri-leisher opened on Sep 5, 2026

• assert with an exit code of 0 makes the sequence succeed

  fprime-community/fpy#207 · Filter by author zimri-leisher opened on Sep 5, 2026