atomvm

Issues somebody may already be working on are listed last. List everything by date

• lwIP sockets: a UDP send crashes the VM when pbuf_alloc fails instead of returning an error

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  Difficulty 2/5 1-3 hours Newbie friendliness 78/100

  atomvm/AtomVM#2477 · Opened Nov 12, 2026

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• epmd: a client that closes early crashes the server on the PORT_PLEASE2 and NAMES responses

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  Difficulty 2/5 1-3 hours Newbie friendliness 78/100

  atomvm/AtomVM#2476 · Opened Nov 12, 2026

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• lwIP sockets: a failed listen or connect leaves the socket lock held, a later close hangs forever

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  Difficulty 2/5 1-3 hours Newbie friendliness 84/100

  atomvm/AtomVM#2475 · Opened Nov 12, 2026

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• lwIP sockets: socket:close/1 does not release the processes selecting on the socket

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  atomvm/AtomVM#2474 · Opened Nov 12, 2026

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• Reduce per-element overhead in the iterative term_to_binary/binary_to_term

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  Difficulty 4/5 3-5 days Newbie friendliness 47/100

  atomvm/AtomVM#2466 · Opened Nov 4, 2026

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• The empty binary is printed as <<"">> instead of <<>>

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  Difficulty 3/5 1-2 days Newbie friendliness 55/100

  atomvm/AtomVM#2449 · Opened Oct 27, 2026

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• Release build with AVM_WARNINGS_ARE_ERRORS=ON fails on an unused variable in module.h

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  Difficulty 2/5 1-3 hours Newbie friendliness 75/100

  atomvm/AtomVM#2448 · Opened Oct 26, 2026

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• unicode:characters_to_list/binary return an uninitialized term for a non-chardata argument

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  Difficulty 2/5 1-3 hours Newbie friendliness 77/100

  atomvm/AtomVM#2446 · Opened Oct 26, 2026

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• UBSAN: left shifts into the sign bit in unaligned-read helpers

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  Difficulty 3/5 1-2 days Newbie friendliness 73/100

  atomvm/AtomVM#2445 · Opened Oct 26, 2026

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• Legacy bs_put_utf8/16/32 raise unsupported at a non-byte-aligned offset

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  atomvm/AtomVM#2444 · Opened Oct 26, 2026

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• Byte-aligned bignum segment is written over the rest of the binary

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  Difficulty 3/5 1-2 days Newbie friendliness 56/100

  atomvm/AtomVM#2443 · Opened Oct 26, 2026

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• JIT bs_create_bin: badarg on <<V:0>>, codegen crashes on unit and little utf

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  Difficulty 4/5 1-2 days Newbie friendliness 54/100

  atomvm/AtomVM#2442 · Opened Oct 26, 2026

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• Use `none` atom instead of `-1` for unused pins

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  atomvm/AtomVM#2441 · 1 reaction · Opened Oct 26, 2026

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• The type spec for spi config is incorrect

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  Difficulty 2/5 1-3 hours Newbie friendliness 67/100

  atomvm/AtomVM#2435 · 1 comment · 1 reaction · Opened Oct 18, 2026

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• ssl:recv/2 has no timeout (no ssl:recv/3)

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  atomvm/AtomVM#2434 · Opened Oct 17, 2026

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• lwIP sockets: a peer reset does not wake processes blocked in socket:send/2 or recv

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  Difficulty 4/5 1-2 days Newbie friendliness 57/100

  atomvm/AtomVM#2432 · Opened Oct 16, 2026

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• ESP32: I2C transfers block the scheduler, and each i2c call costs about 1 ms

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  atomvm/AtomVM#2430 · Opened Oct 16, 2026

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• ESP32: `spi:close/1` crashes the VM with a double free

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  Difficulty 2/5 1-3 hours Newbie friendliness 85/100

  atomvm/AtomVM#2429 · 1 reaction · Opened Oct 16, 2026

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• socket_dist_controller: sends can block the controller and hide a dead peer

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  Difficulty 4/5 3-5 days Newbie friendliness 47/100

  atomvm/AtomVM#2424 · Opened Oct 10, 2026

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• ap_max_connections documented in network.erl, but the ESP32 driver reads max_connections

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  atomvm/AtomVM#2420 · Opened Oct 8, 2026

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• ssl:connect/2,3 has no support for {verify, verify_peer} on the client side — process_options/3 crashes with function_clause

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  Difficulty 4/5 3-5 days Newbie friendliness 48/100

  atomvm/AtomVM#2401 · 1 comment · Opened Sep 22, 2026

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• [board inquiry] RP2350

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  atomvm/AtomVM#2391 · 4 comments · Opened Sep 1, 2026

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• Out of memory in mbedTLS

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  Difficulty 4/5 1-2 days Newbie friendliness 42/100

  atomvm/AtomVM#2341 · Opened Jun 23, 2026

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• AtomVM + ESP32 for Dummies?

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  Difficulty 3/5 1-2 days Newbie friendliness 48/100

  atomvm/AtomVM#2310 · 6 comments · 1 reaction · Opened May 19, 2026

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• Problem building STM32 blinky example

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  atomvm/AtomVM#2267 · 6 comments · Opened Apr 13, 2026

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• port_driver_destroy_cb is never called and only appears in tests

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  atomvm/AtomVM#2239 · 3 comments · Opened Mar 27, 2026

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• Investigate unused opcodes

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  Difficulty 4/5 1-2 days Newbie friendliness 35/100

  atomvm/AtomVM#2233 · 4 comments · Opened Mar 25, 2026

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• ESP32: Non-blocking socket_driver

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  atomvm/AtomVM#2206 · 1 reaction · Opened Mar 16, 2026

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• Enable Popcorn on vanilla AtomVM

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  popcorn

  Difficulty 5/5 Over a week Newbie friendliness 20/100

  atomvm/AtomVM#2194 · 2 reactions · Opened Mar 13, 2026

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• Add support for `trap_exit` in `process_info/2`

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  popcorn

  Difficulty 3/5 1-2 days Newbie friendliness 45/100

  atomvm/AtomVM#2192 · Opened Mar 13, 2026

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• Add support for list of options to `process_info/2`

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  popcorn

  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  atomvm/AtomVM#2191 · Opened Mar 13, 2026

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• Network driver should allow connecting to a bssid

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  Difficulty 3/5 1-2 days Newbie friendliness 49/100

  atomvm/AtomVM#2144 · 1 reaction · Opened Feb 25, 2026

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• inclusion of С++ libraries into the atomvm kernel

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  atomvm/AtomVM#2092 · 8 comments · Opened Feb 9, 2026

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• Should eavmlib port modlule be deprecated?

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  atomvm/AtomVM#2060 · Opened Jan 14, 2026

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• Remove `AVM_PRINT_PROCESS_CRASH_DUMPS`

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  atomvm/AtomVM#2050 · 1 comment · Opened Dec 28, 2025

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• Crash in socket_dist_controller

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  Difficulty 4/5 1-2 days Newbie friendliness 35/100

  atomvm/AtomVM#2030 · 2 comments · Opened Dec 9, 2025

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• Missing and incorrect documentation and specs for atomvm:posix_* functions

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  Difficulty 2/5 1-3 hours Newbie friendliness 55/100

  atomvm/AtomVM#2029 · Opened Dec 9, 2025

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• FPU support for ESP32-S3 followup for #2016

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  atomvm/AtomVM#2026 · 3 comments · 1 reaction · Opened Dec 8, 2025

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• Feature Request: DAC support for ESP32-S2

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  atomvm/AtomVM#1990 · 4 comments · Opened Nov 19, 2025

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• Support for process aliases and erlang:monitor/3

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  Difficulty 5/5 Over a week Newbie friendliness 35/100

  atomvm/AtomVM#1960 · Opened Nov 7, 2025

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• Common list operations exhibit O(n^2) time complexity

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  atomvm/AtomVM#1953 · 4 comments · Opened Nov 2, 2025

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• Rewrite module loading in order to be smaller

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  atomvm/AtomVM#1950 · Opened Nov 1, 2025

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• AtomVM flash footprint reduction

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  atomvm/AtomVM#1949 · Opened Nov 1, 2025

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• Please, add ESP32 ESP-NOW to AtomVM

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  atomvm/AtomVM#1947 · 1 comment · Opened Oct 31, 2025

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• Crash maybe related to `nif_erlang_dist_ctrl_put_data`

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  atomvm/AtomVM#1883 · 1 comment · Opened Oct 8, 2025

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• `gen_tcp:connect/3` does not honor optional timeout value

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  atomvm/AtomVM#1860 · Opened Oct 2, 2025

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• master binary is too large for pico

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  blocking

  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  atomvm/AtomVM#1821 · Opened Sep 7, 2025

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• branch=main - a portscan kills epmd

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  Difficulty 3/5 1-2 days Newbie friendliness 38/100

  atomvm/AtomVM#1788 · 1 comment · Opened Aug 6, 2025

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• branch=main - disterl gen_server:call from atomvm fails

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  Difficulty 4/5 3-5 days Newbie friendliness 42/100

  atomvm/AtomVM#1787 · 9 comments · Opened Aug 6, 2025

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• not an issue but i would like to thank you

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  Difficulty 1/5 Under an hour Newbie friendliness 10/100

  atomvm/AtomVM#1776 · 1 comment · 2 reactions · Opened Jul 25, 2025

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