Repository Issue Activity (beta)

Kotlin/kotlinx.serialization

Current issue state, recent activity, and per-issue timelines from the indexed issue data.

Open Issues
174
New in 7 Days
3
Closed in 7 Days
0
Average Open Age
1059 days
Stale 30+ Days
151
Stale 90+ Days
115
Last 2 Weeks
DateOpenedClosedCommentsEventsOpen Backlog
2026-09-1200000
2026-09-110024174
2026-09-1000000
2026-09-0920000
2026-09-0810000
2026-09-0700000
2026-09-0600000
2026-09-0500000
2026-09-04214000
2026-09-0300000
2026-09-0210000
2026-09-0100000
2026-08-3113000
2026-08-3000000
This Week

Opened: 3

Closed: 0

Comments: 2

Events: 4

Top Labels
feature (201)
bug (109)
question (74)
compiler-plugin (44)
waiting for clarification (42)
design (39)
reproduced (38)
cbor (23)
Issue Explorer
IssueAuthorStateLabelsCommentsReactionsUpdated

#3222 Generic sealed type used as a Map value: the map-KEY serializer is wired into the map-VALUE's type-argument slot, causing a ClassCastException.

Opened 2 months ago
uliSchuster
open
bug
reproduced
202 days ago

#3257 Long numbers are truncated when serializing JsonElement

Opened 8 days ago
SPC-code
open
bug
json
reproduced
1302 days ago

#3267 JsonPrimitive.longOrNull returns a wrapped value for integers above 2^64

Opened 3 days ago
jarohen
open
bug
103 days ago

#3268 SerializationException: Report fully qualified class name when class is not registered

Opened 3 days ago
fzhinkin
open
No labels
013 days ago

#3262 Also re-throw `SerializationException` as `JsonDecodingException`

Opened 4 days ago
NichtStudioCode
open
feature
004 days ago

#3260 [benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

Opened 8 days ago
leo-gan
open
performance
005 days ago

#3153 Pre-allocate Map and Collection capacities using CBOR definite-length headers

Opened 7 months ago
kozaxinan
closed - completed
feature
318 days ago

#3193 TreeJsonDecoder with `useAlternativeNames=true` is slow even if no alternative names exist

Opened 4 months ago
Snipesy
closed - completed
reproduced
performance
708 days ago

#2165 Provide error details in case of [de]serialization failure in a custom serializer

Opened 4 years ago
LibertyPaul
closed - completed
feature
json
runtime
368 days ago

#3111 Catching exceptions from the constructor when deserialization for clearer error info

Opened 10 months ago
Stream29
closed - completed
feature
338 days ago

#3205 ProtoBuf schema generation does not unwrap value classes inside collections

Opened 3 months ago
saar
closed - completed
bug
protobuf
reproduced
108 days ago

#2743 Streaming performance: kotlinx-io & Okio integrations

Opened 2 years ago
qwwdfsad
closed - completed
json
runtime
288 days ago

#3190 CBOR `@CborLabel` with negative label value decodes incorrectly

Opened 4 months ago
ardune
closed - completed
bug
cbor
reproduced
118 days ago

#3181 CBOR `UByteArraySerializer` encodes as signed bytes

Opened 5 months ago
twyatt
closed - completed
bug
cbor
reproduced
408 days ago

#3108 Polymorphic Deserialization Fails with Subclass using `JsonTransformingSerializer`

Opened 10 months ago
NoMathExpectation
closed - completed
bug
308 days ago

#3024 CBOR: Improve exception messages for unexpected tags during decoding

Opened 1 year ago
fzhinkin
closed - completed
feature
cbor
108 days ago

#3202 Setup cache redirector for maven repositories

Opened 4 months ago
fzhinkin
closed - completed
build
008 days ago

#3144 Protobuf: OneOf case serialization omitted

Opened 7 months ago
KirillObukhov
closed - completed
bug
reproduced
408 days ago

#3163 MapLikeDescriptor.getElementIndex throws instead of returning UNKNOWN_NAME

Opened 6 months ago
ansman
closed - completed
bug
reproduced
108 days ago

#3154 CBOR: decodeCollectionSize ignores definite-length headers and always returns -1

Opened 7 months ago
kozaxinan
closed - completed
feature
cbor
108 days ago

#3249 Get rid of NamedValueEncoder/Decoder in TreeJson*

Opened 10 days ago
qwwdfsad
open
json
performance
0010 days ago

#3243 Supported hook for substituting serializers during a (de)serialization operation

Opened 12 days ago
kamalnayan04
open
No labels
7010 days ago

#1541 Serialization of sealed hierarchy is not working when classes are not in the same file

Opened 5 years ago
abueide
closed - completed
bug
compiler-plugin
10012 days ago

#1586 Protobuf is not aware of type parameters with nullable upper bound

Opened 5 years ago
cy6erGn0m
closed - completed
bug
protobuf
4012 days ago

#1297 Serializing sub-objects raises NPE

Opened 6 years ago
XuaTheGrate
closed - completed
question
3112 days ago

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