Owner

uber

28 indexed repositories · View on GitHub

RIBs
Uber's cross-platform mobile architecture framework - Android Repository

Kotlin · 7951 stars
kraken
P2P Docker registry capable of distributing TBs of data in seconds

Go · 6773 stars
h3
Hexagonal hierarchical geospatial indexing system

C · 6715 stars
causalml
Uplift modeling and causal inference with machine learning algorithms

Python · 6041 stars
NullAway
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Java · 4131 stars
AutoDispose
Automatic binding+disposal of RxJava streams.

Java · 3342 stars
piranha
A tool for refactoring code related to feature flag APIs

Rust · 2525 stars
ADR
ADR secures enterprise AI agents through observability, security benchmarking, and threat detection. Deployed at Uber.

Python · 2127 stars
orbit
A Python package for Bayesian forecasting with object-oriented design and probabilistic models under the hood.

Python · 2083 stars
needle
Compile-time safe Swift dependency injection framework

Swift · 2019 stars
okbuck
OkBuck is a gradle plugin that lets developers utilize the Buck build system on a gradle project.

Java · 1528 stars
h3-js
h3-js provides a JavaScript version of H3, a hexagon-based geospatial indexing system.

JavaScript · 1096 stars
h3-py
Python bindings for H3, a hierarchical hexagonal geospatial indexing system

Python · 1046 stars
mockolo
Efficient Mock Generator for Swift

Swift · 887 stars
motif
A simple DI API for Android / Java

Kotlin · 536 stars
grafana-dash-gen
grafana dash dash dash gen

TypeScript · 528 stars
tchannel-go
Go implementation of a multiplexing and framing protocol for RPC calls

Go · 513 stars
h3-go
Go bindings for H3, a hierarchical hexagonal geospatial indexing system

Go · 459 stars
hermetic_cc_toolchain
Bazel C/C++ toolchain for cross-compiling C/C++ programs

Starlark · 408 stars
uber-ios-sdk
Uber iOS SDK (beta)

Swift · 375 stars
8 more repositories live on View on GitHub

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Custom CMAKE_INSTALL_INCLUDEDIR produces an h3.pc include path that does not contain the installed header
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Difficulty 3/5 Half a day Newbie friendliness 45/100

uber/h3#1309 · Opened Nov 14, 2026

Maintainers usually reply within 1 day
polygonToCells CLI silently drops vertices when whitespace precedes a coordinate's closing bracket
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Difficulty 2/5 1-3 hours Newbie friendliness 70/100

uber/h3#1308 · Opened Nov 14, 2026

Maintainers usually reply within 1 day
cellAreaRads2 CLI rounds valid high-resolution cell areas to zero
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Difficulty 2/5 1-3 hours Newbie friendliness 50/100

uber/h3#1307 · Opened Nov 13, 2026

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childPosToCell CLI silently changes zero-padded child positions
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Difficulty 3/5 Half a day Newbie friendliness 45/100

uber/h3#1306 · Opened Nov 13, 2026

Maintainers usually reply within 1 day
Updating the JSpecify JDK models requires building a JDK
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Difficulty 5/5 Over a week Newbie friendliness 15/100

uber/NullAway#2160 · 1 comment · Opened Nov 13, 2026

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JDK astubx generator files an inner class of a generic class under the outer class
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Difficulty 3/5 1-2 days Newbie friendliness 62/100

uber/NullAway#2159 · Opened Nov 13, 2026

Maintainers usually reply within 1 day
Use switch targets for generic result-call inference during dataflow
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Difficulty 4/5 3-5 days Newbie friendliness 50/100

uber/NullAway#2158 · Opened Nov 13, 2026

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Field and array type resolution differs between reads and assignment targets
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Difficulty 4/5 3-5 days Newbie friendliness 25/100

uber/NullAway#2155 · Opened Nov 12, 2026

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Error on request bytes received in the Server Side
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Difficulty 4/5 3-5 days Newbie friendliness 20/100

uber/tchannel-go#939 · Opened Nov 11, 2026
rustc ≥ 1.98 aarch64-linux links fail: unsupported linker arg: --fix-cortex-a53-843419
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Difficulty 4/5 3-5 days Newbie friendliness 48/100

uber/hermetic_cc_toolchain#269 · Opened Nov 9, 2026
Support JEP 513: this(...) after a constructor prologue
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Difficulty 2/5 1-3 hours Newbie friendliness 72/100

uber/NullAway#2145 · 1 reaction · Opened Nov 8, 2026

Maintainers usually reply within 1 day
Nothing in the build catches a new `ASTHelpers.getSymbol` call that misses a parenthesized operand
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Difficulty 4/5 3-5 days Newbie friendliness 47/100

uber/NullAway#2133 · 1 comment · Opened Nov 4, 2026

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An inference failure is reported together with the errors that follow from it
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Difficulty 4/5 3-5 days Newbie friendliness 38/100

uber/NullAway#2132 · 1 comment · Opened Nov 4, 2026

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Handler: treat `Class#getCanonicalName()` on class literals as `@NonNull`
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Difficulty 3/5 Half a day Newbie friendliness 45/100

uber/NullAway#2128 · Opened Nov 3, 2026

Maintainers usually reply within 1 day
`Stream#filter` with a null-rejecting lambda is not treated like `filter(Objects::nonNull)` when inferring a collector's type variable
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Difficulty 5/5 Over a week Newbie friendliness 12/100

uber/NullAway#2127 · Opened Nov 3, 2026

Maintainers usually reply within 1 day
`WarnOnGenericInferenceFailure` reports an inference failure for a `@Nullable` argument passed to a generic method of `@NullUnmarked` code
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Difficulty 4/5 3-5 days Newbie friendliness 25/100

uber/NullAway#2125 · Opened Nov 3, 2026

Maintainers usually reply within 1 day
Bad error message: `WarnOnGenericInferenceFailure` flags `Collector<_, ?, _>` arguments passed to `@NullMarked` methods such as Reactor's `Flux#collect`
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Difficulty 5/5 Over a week Newbie friendliness 20/100

uber/NullAway#2124 · 3 comments · Opened Nov 3, 2026

Maintainers usually reply within 1 day
JSpecify mode: an override of a null-unmarked method is reported for mismatched type argument nullability
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Difficulty 3/5 1-2 days Newbie friendliness 72/100

uber/NullAway#2078 · Opened Oct 26, 2026

Maintainers usually reply within 1 day
Decouple synthetic nullness annotations from VisitorState
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Difficulty 5/5 Over a week Newbie friendliness 35/100

uber/NullAway#2073 · Opened Oct 25, 2026

Maintainers usually reply within 1 day
Wiki Maven example fails with current Error Prone: missing --should-stop=ifError=FLOW and -XDaddTypeAnnotationsToSymbol=true
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Difficulty 1/5 1-3 hours Newbie friendliness 85/100

uber/NullAway#2058 · 1 comment · Opened Oct 23, 2026

Maintainers usually reply within 1 day
JSpecify mode: field of type T is not substituted through the receiver, so `b.value = null` on `Box<@Nullable String>` is reported
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false negative false positive jspecify

Difficulty 4/5 3-5 days Newbie friendliness 57/100

uber/NullAway#2051 · 1 comment · Opened Oct 23, 2026

Maintainers usually reply within 1 day
JSpecify mode: a `@Nullable Object[]` passed to an unmarked method's `@NonNull Object[]` parameter is not reported
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false negative jspecify

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

uber/NullAway#2044 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
JSpecify mode: a diamond passed to `<U> U id(U u)` is inferred as `Box<String>` whatever the target type
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false negative false positive jspecify

Difficulty 4/5 3-5 days Newbie friendliness 56/100

uber/NullAway#2043 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
Remove the fallback that reads type-use annotations from bytecode type attributes
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Difficulty 5/5 Over a week Newbie friendliness 35/100

uber/NullAway#2042 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
JSpecify: a `var` initialized with a conditional expression gets no @Nullable type argument from diamond or generic method inference
Open
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false negative jspecify

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

uber/NullAway#2038 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
ClassCastException in `ClassDeclarationNullnessAnnotUtils.dfsWithFormals` for a field read through `? extends W` of a class with an intersection bound
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Difficulty 3/5 1-2 days Newbie friendliness 66/100

uber/NullAway#2030 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
NullPointerException in `RestoreNullnessAnnotationsVisitor` for an explicitly typed lambda assigned to `Consumer<?>` with wildcard handling on
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Difficulty 3/5 1-2 days Newbie friendliness 72/100

uber/NullAway#2029 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
JSpecify: dereferencing a `T` value is not reported when `T extends @Nullable Object`
Open
- Is something wrong?
false negative jspecify

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

uber/NullAway#2027 · Opened Oct 22, 2026

Maintainers usually reply within 1 day
Library models: describe nested and PolyNull locations the same way, so stubs can carry PolyNull
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 38/100

uber/NullAway#1989 · Opened Oct 20, 2026

Maintainers usually reply within 1 day
JSpecify JDK models: `list.toArray()` on a `List<String>` is reported as `@Nullable Object []` where `Object[]` is expected
Open
- Is something wrong?
enhancement jdk-models jspecify

Difficulty 4/5 3-5 days Newbie friendliness 46/100

uber/NullAway#1988 · Opened Oct 20, 2026

Maintainers usually reply within 1 day
Unify method-reference return-nullness handling for contracts and library models
Open
- Is something wrong?
bug false positive jdk-models jspecify

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

uber/NullAway#1986 · Opened Oct 20, 2026

Maintainers usually reply within 1 day
Closing the loop after PolicyLearner: batched Thompson sampling on the treatment-effect posterior (scoping, following #833)
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 20/100

uber/causalml#1058 · Opened Oct 16, 2026
JSpecify mode: `CastToNonNullMethod` reports `castNonNull(t)` as passing a known `@NonNull` value when the type variable of `t` admits null
Open
- Is something wrong?
false positive jspecify

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

uber/NullAway#1961 · Opened Oct 14, 2026

Maintainers usually reply within 1 day
JSpecify mode: a `@Nullable` element of an array initializer is accepted where the component type excludes null (`new Object[] {null}`)
Open
- Is something wrong?
false negative jspecify

Difficulty 3/5 Half a day Newbie friendliness 58/100

uber/NullAway#1960 · Opened Oct 14, 2026

Maintainers usually reply within 1 day
Should this project be archived?
Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 5/100

uber/hermetic_cc_toolchain#268 · 1 reaction · Opened Oct 13, 2026
Mark zig_repository as reproducible so the repo contents cache can reuse it
Open
- Is something wrong?
Difficulty 2/5 1-3 hours Newbie friendliness 82/100

uber/hermetic_cc_toolchain#267 · Opened Oct 11, 2026
JSpecify mode: a type variable whose bound admits null is accepted as the type argument of a type parameter that excludes null (`NonNullParameter<T>`, `Class<T>`, `Test.<T>m()`)
Open
- Is something wrong?
false negative jspecify

Difficulty 4/5 3-5 days Newbie friendliness 30/100

uber/NullAway#1946 · Opened Oct 9, 2026

Maintainers usually reply within 1 day
JSpecify mode: inference substitutes a synthetic `@NonNull` for an unconstrained type variable, so a `List<T>` with `T extends @Nullable Object` flows into a `List<Object>`
Open
- Is something wrong?
false negative jspecify

Difficulty 5/5 Over a week Newbie friendliness 12/100

uber/NullAway#1945 · 1 comment · Opened Oct 9, 2026

Maintainers usually reply within 1 day
JSpecify mode: `? super E` containment accepts a non-null argument when the receiver is `Sink<? extends V>` and `V` may be null
Open
- Is something wrong?
false negative jspecify wildcards

Difficulty 4/5 3-5 days Newbie friendliness 22/100

uber/NullAway#1944 · Opened Oct 9, 2026

Maintainers usually reply within 1 day
Cancel misses a batch mid-promotion, letting a cancelled request reach speculation
May be free again @burgulvedant claimed this 14 days ago, and no pull request is open. Open
- Is something wrong?
bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber/submitqueue#825 · 1 comment · Opened Oct 8, 2026

Maintainers usually reply within 2 days
A successfully acked message is redelivered long before its visibility timeout expires
Open
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bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

uber/submitqueue#824 · 2 comments · Opened Oct 8, 2026

Maintainers usually reply within 2 days
Runway DLQ answers FAILED for a merge whose push already landed
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bug

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

uber/submitqueue#820 · Opened Oct 8, 2026

Maintainers usually reply within 2 days
Land and landsignal DLQs fail a `landing` batch that Runway goes on to merge
Open
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bug

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

uber/submitqueue#819 · 1 comment · Opened Oct 8, 2026

Maintainers usually reply within 2 days
DLQ marks a request terminal error after its batch already handed off to land
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bug

Difficulty 4/5 3-5 days Newbie friendliness 54/100

uber/submitqueue#818 · Opened Oct 8, 2026

Maintainers usually reply within 2 days
[Proposal] Complementary evidence layer: portable offline-verifiable attestation for agent sessions (iqa-mcp)
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Difficulty 5/5 Over a week Newbie friendliness 20/100

uber/ADR#163 · 4 comments · Opened Oct 8, 2026

Maintainers usually reply within 1 day
Meta issue for constraint solver rewrite
May be free again @subhramit claimed this 37 days ago, and no pull request is open. Open
- Is something wrong?
Difficulty 5/5 Over a week Newbie friendliness 32/100

uber/NullAway#1932 · 5 comments · 1 assignee · Opened Oct 7, 2026

Maintainers usually reply within 1 day
Better model `Queue.isEmpty()`
Open
- Is something wrong?
enhancement jdk-models

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

uber/NullAway#1912 · 3 comments · 1 reaction · Opened Oct 3, 2026

Maintainers usually reply within 1 day
An IntelliJ plugin that shows NullAway findings in the editor: worth a mention in the docs?
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Difficulty 2/5 1-3 hours Newbie friendliness 76/100

uber/NullAway#1899 · 1 comment · Opened Oct 1, 2026

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Switch to 1.0-HEAD-SNAPSHOT naming scheme for versioning snapshots
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Difficulty 4/5 3-5 days Newbie friendliness 45/100

uber/NullAway#1895 · 8 comments · Opened Sep 25, 2026

Maintainers usually reply within 1 day
bug: Support non-string (bool/int) attribute values in Tango
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enhancement

Difficulty 3/5 1-2 days Newbie friendliness 65/100

uber/tango#318 · Opened Sep 22, 2026

Maintainers usually reply within 1 day

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