Best React Libraries and Tools in 2026

A complete guide to the modern React ecosystem in 2026, covering frameworks, forms, state management, UI libraries, testing, and developer tooling.

JavaScript Development Space

Postmortem: TanStack npm Supply-Chain Compromise, by @tannerlinsley.com (@tanstack.com):

https://tanstack.com/blog/npm-supply-chain-compromise-postmortem?ref=frontenddogma.com

#tanstack #npm

Postmortem: TanStack npm supply-chain compromise | TanStack Blog

On 2026-05-11, an attacker chained a pull_request_target Pwn Request, GitHub Actions cache poisoning across the fork↔base trust boundary, and OIDC token extraction from runner memory to publish 84 malicious versions across 42 @tanstack/* packages on npm. Full postmortem.

#Development #Approaches
The best loading states are none at all Β· Making the case for route transitions https://ilo.im/16dcdk

_____
#Preloading #Loading #Routing #Spinners #Skeletons #SPAs #TanStack #WebPerf #WebDev #Frontend

The Best Loading States Are No Loading States

Most applications end up with all sorts of UI whose sole purpose is to occupy the space where data should eventually appear. We're all spending a surprising amount of time solving the same problem, and none of it is really product work.

πŸ‘€ Was haben Tierbetreuung, #React und #TanStack Start gemeinsam? πŸ€”

Werden wir im Juni gemeinsam herausfinden πŸ•΅οΈβ€β™‚οΈ:

- Karlsruher Entwicklertag: https://nilshartmann.net/t/getting-started-fullstack-anwendungen-mit-react-und-tan-stack-karlsruher-entwicklertag

- #EnterJS: https://nilshartmann.net/t/getting-started-fullstack-anwendungen-mit-react-und-tan-stack-enter-js

Kommt vorbei! πŸ‘‹

πŸ“° TeamPCP Threat Actor Breaches TanStack in 'Mini Shai-Hulud' Supply Chain Campaign

πŸ’Έ Financially motivated group TeamPCP compromises popular TanStack library in 'Mini Shai-Hulud' supply chain campaign. The attack on npm/PyPI ecosystems uses malicious packages to steal developer credentials. #SupplyChain #TeamPCP #TanStack #npm

🌐 cyber[.]netsecops[.]io

πŸ”— https://cyber.netsecops.io/articles/teampcp-mini-shai-hulud-campaign-breaches-tanstack-in-widespread-supply-chai…

GitHub links repo breach to TanStack npm supply-chain attack

GitHub says the hackers who breached 3,800 internal repositories gained access via a malicious version of the Nx Console VS Code extension, compromised in last week's TanStack npm supply-chain attack.

BleepingComputer

🚨 42 npm packages - 84 malicious versions - Pushed in just 6 minutes 🚨

#TanStack just dropped a detailed postmortem on a sophisticated #SupplyChain attack exposing developers and CI/CD pipelines to credential theft and malware propagation.

πŸ”— Read more: https://bit.ly/4utUl7s

#InfoQ #Security #npm #DevOps

Hardening TanStack After the npm Compromise, by @crutchcorn and @jherr.dev and others (@tanstack.com):

https://tanstack.com/blog/incident-followup?ref=frontenddogma.com

#tanstack #security

Hardening TanStack After the npm Compromise | TanStack Blog

A companion to our incident postmortem: what we're changing across the org so the May 11 supply-chain attack can't happen the same way again.

Grafana Breach Exposed by TanStack Supply Chain Attack

Grafana Labs revealed that a supply chain attack led to an unauthorized download of its codebase, exposing a vulnerability that allowed attackers to gain access to its GitHub repositories through a missed workflow token. The breach was detected on May 11, with the company swiftly rotating tokens, but unfortunately, one was overlooked.

https://osintsights.com/grafana-breach-exposed-by-tanstack-supply-chain-attack?utm_source=mastodon&utm_medium=social

#SupplyChain #Github #Grafana #Tanstack #EmergingThreats

Grafana Breach Exposed by TanStack Supply Chain Attack

Grafana breach exposed by TanStack supply chain attack, learn how to protect your code from similar threats now and prevent future security breaches effectively online today.

OSINTSights

Mini Shai-Hulud Worm Compromises TanStack, Mistral AI, Guardrails AI & 169 Packages

A large-scale supply chain attack targeted npm and PyPI packages from major projects like TanStack, Mistral AI, UiPath, and OpenSearch, exploiting GitHub Actions vulnerabilities to steal credentials and publish malici...

πŸ”— https://salehgnutux.github.io/GT-NEWSTECH/en/ai/mini-shai-hulud-supply-chain-attack/

#Mini_Shai-Hulud #Cybersecurity #Supply_Chain #npm #PyPI #TanStack #Mistral_AI #GitHub_Actions

Mini Shai-Hulud Worm Compromises TanStack, Mistral AI, Guardrails AI & 169 Packages

A large-scale supply chain attack targeted npm and PyPI packages from major projects like TanStack, Mistral AI, UiPath, and OpenSearch, exploiting GitHub Act...

GT-NEWSTECH