Search results

json.dumps super-linear slowdown on large lists (100× slower than N individual calls)

enhancementFeature requests, new feature implementationsFeature requests, new feature implementations

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19147 In micropython/micropython;

· nitau7 opened on Apr 23, 2026

dir() does not validate or sort __dir__ return value

bug

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19145 In micropython/micropython;

· jseop-lim opened on Apr 23, 2026

3-arg pow() rejects bool in base, exponent, or modulus position

bug

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19144 In micropython/micropython;

· jseop-lim opened on Apr 23, 2026

3-arg pow() with negative exponent silently returns 0 instead of computing modular inverse

bug

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19143 In micropython/micropython;

· jseop-lim opened on Apr 23, 2026

pow(x, y, None) raises TypeError instead of returning the 2-arg result

bug

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19137 In micropython/micropython;

· jseop-lim opened on Apr 22, 2026

fun_bc_call: unbounded alloca when heap allocation of VM state fails

bug

py-coreRelates to py/ directory in sourceRelates to py/ directory in source

Status: Open.

#19129 In micropython/micropython;

· lubos-matejicek opened on Apr 20, 2026

OpenMV Feature - docs: Add documentation about ROMFS, ioctl API, etc.

Status: Open.

#19124 In micropython/micropython;

· kwagyeman opened on Apr 18, 2026

ESP32/network_lan: LAN.isconnected() returns False after Wi-Fi lost-IP timer expires but Ethernet remains connected

bug

port-esp32

Status: Open.

#19123 In micropython/micropython;

· mohnazemi opened on Apr 18, 2026

float_format_ints failure with x86 clang -m32, unix longlong variant

bug

Status: Open.

#19120 In micropython/micropython;

· jepler opened on Apr 16, 2026

nlr_push fails on linux with clang -m32

bug

Status: Open.

#19117 In micropython/micropython;

· jepler opened on Apr 16, 2026

suspicious: MP_PLAT_FREE_EXEC appears unreachable

bug

Status: Open.

#19116 In micropython/micropython;

· jepler opened on Apr 16, 2026

webassembly standard: main.c:50:15: error: variable 'external_call_depth' set but not used

bug

port-webassembly

Status: Open.

#19112 In micropython/micropython;

· Josverl opened on Apr 16, 2026