TestNet and MainNet Update: 3.6.2

MainNet and TestNet will be updated to 3.6.2 Wed May 11, 2022 11:30AM EDT (3:30PM UTC).


Maintenance release of incremental enhancements and fixes.

What’s New

  • Minor enhancements to logging
  • Improved debugging support in tealdbg
  • Golang 1.16 upgrade
  • Upgrade arm32 builder to use arm32v7 (deprecates raspberry pi 1 support)


New Features

  • AVM: vFuture: inner appls can call v4 (#3896)
  • Goal: Source Mapping PC to TEAL (#3726)


  • AVM: Deadcode and basic block analysis (#3870)
  • AVM: Perform json_ref expected type validation before expensive JSON processing (#3866)
  • AVM: Extract divideCeilUnsafely to help document opcode costing rationale (#3867)
  • AVM: Assembly simplification & flexible costs (#3857)
  • AVM: Rework around opcode fields for more flexible costs (#3832)
  • AVM: Improve error handling and execution time (#3612)
  • Agreement: add counters for dropped tasks and slow responses (#3861)
  • Agreement: report proposal and vote message buffer sizes at end of round (#3932)
  • Algod: Write to stdout when config.LogSizeLimit is 0 or -o is passed to algod. (#3903)
  • Algod: Add disassemble endpoint (#3908)
  • Algonet: use lower value of LastPartKeyRound for bootstrappedScenario (#3865)
  • Build: use 1.16.15 instead of 1.16.11 (#3833)
  • Build: add build essentials to dependency list (#3782)
  • Build: update build dependencies to use go 1.16 (#3816)
  • Build: compile with golang 1.16 (#3803)
  • Build: Update build image from arm32v6 to arm32v7 (#3933)
  • Ci: remove buildpulse upload step (#3883)
  • Ci: add test partitioning based on partition test verifier output (#3859)
  • Config: add some warning comments about changing RewardUnit value (#3846)
  • Devmode: create a block for external txns only (#3784)
  • Devops: Txnsync recipe updates (#3906)
  • Devops: Added recipe for transaction sync testing. (#3884)
  • Enhancement: Nightly e2e test upload (#3849)
  • Enhancement: Re-enable fillBytes method in ABI and eval.go implementation (#3856)
  • Goal: Add asset optin command (#3881)
  • Goal: Set default key dilution to be the same as algokey (#3801)
  • Goal: Warn on invalid method signature assembly (#3614)
  • Kmd: use updated karalabe lib (#3819)
  • Ledger: test OnlineAccountData (#3831)
  • Ledger: Refactor online totals (#3770)
  • Netdeploy: Add override to enable devmode for a network template. (#3904)
  • Netdeploy: Allow empty private network directory. (#3911)
  • Prefetcher: improve error codes (#3815)
  • REST API: Check for pending transactions in most recent rounds first. (#3836)
  • REST Client: always set Exclude value in accountInformationParams (#3728)
  • Tealdbg: Support for StepOver and refactoring object IDs (#3653)
  • Tealdbg: Replace LocalRunner.Run with LocalRunner.RunAll (#3805)
  • Telemetry: report heartbeat metrics as JSON numbers (#3802)
  • Tests: Disable bandwidth pprof svg generation by default (#3779)
  • Abi: Fix typo in abi_type.go (#3940)


  • AVM: Fix langspec (and some disassembly errors) for itxn_field (#3869)
  • AVM: Add acct_params_get to langspec.json (#3862)
  • AVM: getbyte and setbyte description to say index must be within length of array (#3772)
  • Algocfg: Fix algocfg get for non-string parameters. (#3907)
  • Algod: Fix issue with nil accounts in local-deltas array (#3790)
  • Algokey: clarify error messages. (#3727)
  • Bug-fix: ABI inferToSlice nil testcases (#3826)
  • Bug-fix: ABI encode infer to slice IsNil handler removal (#3823)
  • Diagcfg: Allow diagcfg to create logging.config in data directory. (#3912)
  • Goal: Rename source map output file (#3905)
  • Goal: Add check for signer passed in the case of logic sig rekeyed account (#3773)
  • Ledger: fix possible dbRound unsynchronization for trackers and registry (#3910)
  • Tests: fix TestAcctUpdateslookupLatestCacheRetry (#3804)
  • Tests: avoid generating large output on TestDeadlockLogging (#3771)
  • Utils: add arm32-specific NanoSleep implementation (#3930)
  • Ledger: fix lookupLatest usage of the resources cache (#3939)


Protocol Upgrade

This release does not contain a protocol upgrade.

vFuture changes are not yet available in MainNet or TestNet but can be used in private networks.

Additional Resources

To update your current version, run the following goal command: ./update.sh -c stable -i -d <data-directory> -n If you haven’t already done so, we also advise setting up a CRON job to automatically update your algorand networks. If you haven’t done this yet, you can follow the instructions here: Install a node - Algorand Developer Portal