Issues

• ContentSerializer panics with "capacity overflow" on a large sequence length hint (via #[serde(flatten)])

  serde-rs/serde#3120 · Filter by author feliperodri opened on Nov 6, 2026
  2

• Deserialize a struct from a nested path

  serde-rs/serde#3116 · Filter by author nerjs opened on Oct 19, 2026
  5

• deserialize_in_place breaks Deserialize for packed structs

  serde-rs/serde#3112 · Filter by author bbrown-oai opened on Oct 14, 2026

• Internally tagged enum with a newtype variant holding Vec<Self> / Box<Self>: derived Serialize fails to compile with E0275 (and hangs rustc if the recursion limit is raised)

  serde-rs/serde#3100 · Filter by author vidaunited opened on Sep 6, 2026
  2

• Serde drops error source information when deserializing using try_from

  serde-rs/serde#3097 · Filter by author axoking opened on Aug 16, 2026
  5

• [Feature Request] Add skip_serializing_if_default to skip fields equal to their default value

  serde-rs/serde#3096 · Filter by author qiu-noname opened on Aug 13, 2026
  1

• [Feature request] Custom Deserializer impls and functions let you pop out values from Deserializer

  serde-rs/serde#3091 · Filter by author SpiderUnderUrBed opened on Jul 29, 2026

• Version-locked crates break the fallback resolver

  serde-rs/serde#3088 · Filter by author cuviper opened on Jul 24, 2026

• Add a way to use default field value as serde default

  serde-rs/serde#3086 · Filter by author DarkFenX opened on Jul 20, 2026

• Failure in deserializing #[serde(untagged)] enum should generate meaningful error

  serde-rs/serde#3083 · Filter by author adityashah1212 opened on Jul 15, 2026

• Create a de::ErrorKind and a kind method to de::Error

  serde-rs/serde#3082 · Filter by author adityashah1212 opened on Jul 14, 2026

• UniqueRc does not implement Serialize/Deserialize

  serde-rs/serde#3079 · Filter by author blockmath opened on Jul 8, 2026

• [Feature Request] Make #[serde(rename_all = "")] support independent number

  serde-rs/serde#3074 · Filter by author TheCGDF opened on Jun 24, 2026

• Problem deserializing a generic struct with try_from

  serde-rs/serde#3065 · Filter by author afshinpir opened on May 7, 2026
  1

• serialize_typed_slice / deserialize_typed_slice for Contiguous Numeric Arrays (10X or more performance)

  serde-rs/serde#3057 · Filter by author stephenberry opened on Mar 27, 2026

• Case insensitive #[serde(rename=]

  serde-rs/serde#3052 · Filter by author unsecretised opened on Mar 13, 2026

• MapDeserializer does not work with optional fields

  serde-rs/serde#3050 · Filter by author iliana opened on Mar 6, 2026
  1

• How can I parse an adjacently-tagged enum with empty body when the content field doesn't exist?

  serde-rs/serde#3049 · Filter by author nabijaczleweli opened on Mar 5, 2026
  2

• #[serde(flatten)] with #[serde(tag = "Key", content = "...")] and a Key member errors claiming Key doesn't exist (it does), removing the Key member fixes it

  serde-rs/serde#3048 · Filter by author nabijaczleweli opened on Mar 5, 2026

• Support Deduplacating Arc and Rc

  serde-rs/serde#3043 · Filter by author dcampbell24 opened on Feb 21, 2026
  1

• Optionally skip serializing an internal tag

  serde-rs/serde#3029 · Filter by author heaths opened on Jan 30, 2026
  7

• deserialize w/ a tag + catch-all (flatten) surprisingly duplicates tag

  serde-rs/serde#3028 · Filter by author michaelkirk opened on Jan 28, 2026

• flatten does't respect the rpm_serde::to_vec naming removal

  serde-rs/serde#3026 · Filter by author danielmeza opened on Jan 26, 2026

• stack overflow in IgnoredAny when deserializing deeply nested serde_json::Value

  serde-rs/serde#3023 · Filter by author mauritaniacoder99 opened on Jan 22, 2026

• serde_core 1.0.228 fails to compile for wasm32v1-none target with Rust 1.88.0

  serde-rs/serde#3021 · Filter by author SatoshiQaziMuhammed opened on Dec 27, 2025
  1