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getUnlinkedBytecode crashes with "Bytecode is not a valid hex string" when build-info contains library-linked contracts

Status: Open.

#1227 In OpenZeppelin/openzeppelin-upgrades;

· gpablo6 opened on Mar 24, 2026

[Defender Sunset] No migration path for CREATE2 deterministic deployments via hardhat-upgrades

Status: Open.

#1224 In OpenZeppelin/openzeppelin-upgrades;

· SantiagoHoyos21 opened on Mar 18, 2026

Unexpected different CREATE2 address when using defender.deployProxy() despite identical parameters

Status: Open.

#1199 In OpenZeppelin/openzeppelin-upgrades;

· SantiagoHoyos21 opened on Dec 4, 2025

Support upgrades plugin for PolkaVM

feature

Status: Open.

Feature

#1188 In OpenZeppelin/openzeppelin-upgrades;

· KitHat opened on Sep 4, 2025

·  

Upgrades Plugin for Polkadot

Document use of precompiled proxies and compiler version for proxies

docs

Status: Open.

#1187 In OpenZeppelin/openzeppelin-upgrades;

· ericglau opened on Sep 3, 2025

Support unsafe-allow-reachable for constructors

Status: Open.

#1184 In OpenZeppelin/openzeppelin-upgrades;

· ericglau opened on Aug 20, 2025

support gnosis-safe owner for Upgrades.upgradeProxy

Status: Open.

#1177 In OpenZeppelin/openzeppelin-upgrades;

· blockchaindevsh opened on Jul 16, 2025

Can't find upgrade tx in Proxy admin contract

Status: Open.

#1176 In OpenZeppelin/openzeppelin-upgrades;

· Supeeerpower opened on Jul 15, 2025

Potential false positive Missing initializer calls for one or more parent contracts for ERC20PermitUpgradeable

Status: Open.

#1175 In OpenZeppelin/openzeppelin-upgrades;

· heueristik opened on Jul 4, 2025

Hardhat Ignition support

feature

Status: Open.

#1170 In OpenZeppelin/openzeppelin-upgrades;

· AuHau opened on Jun 24, 2025

ProviderError: the method has been deprecated: eth_accounts when deploying with defender.deployProxy on Polygon Mainnet

Status: Open.

#1159 In OpenZeppelin/openzeppelin-upgrades;

· saholo21 opened on May 13, 2025

Unable to get Deterministic Address for Factory Contract Across Networks using deployProxy method

Status: Open.

#1142 In OpenZeppelin/openzeppelin-upgrades;

· saholo21 opened on Mar 20, 2025