Deep Dive
1. TypeScript SDK Overhaul (31 July 2025)
Overview: Version 4.0.0 of the Aptos TypeScript SDK eliminated deprecated Indexer API event queries, reducing bloat and redirecting developers to newer data endpoints.
This cut SDK size by ~18% while improving transaction simulation accuracy. Developers must now use GraphQL for historical event data (Source).
What this means: This is neutral for APT – existing dApps need migration work, but leaner tools attract new builders. Expect faster SDK operations and clearer error handling.
2. Sharding & Concurrency Upgrades (6 August 2025)
Overview: Testnet v1.34.0 deployed BlockSTMv2, a scheduler optimizing parallel transaction execution. Early benchmarks show 12x TPS gains under high load.
The update also activated “function values” – Move-language closures enabling reusable code modules. Node operators must upgrade by 15 September 2025 to avoid sync issues (Source).
What this means: This is bullish for APT because higher throughput strengthens its position vs Solana/Sui. Scalability improvements could onboard more DeFi/RWA projects.
3. Secure Contract Library Launch (2 June 2025)
Overview: Movemaker and alcove launched an OpenZeppelin-style repository for pre-audited Move modules (access controls, upgrades). Funded with $200K grants, it reduces contract vulnerabilities.
The library includes multi-language SDKs and automated formal verification via Move Prover. Over 40% of new Aptos dApps adopted it within 60 days (Source).
What this means: This is bullish for APT – standardized security lowers developer friction and audit costs, accelerating ecosystem growth.
Conclusion
Aptos’ codebase advances prioritize enterprise-grade scalability (BlockSTMv2), safer development (contract library), and toolchain efficiency (SDK 4.0). With testnet sharding live and RWA tokenization hitting $720M, can these upgrades help APT break its $4.60 resistance? Monitor Q3’s mainnet sharding rollout for network effect signals.