Vyper 0.2.16

⚠️ A critical security vulnerability has been discovered in this version and we strongly recommend using version 0.3.1 or higher. For more information, please see the Security Advisory GHSA-5824-cm3x-3c38. ⚠️

Non-breaking changes and improvements:

• Expose _abi_encode as a user-facing builtin (#2401)
• Export the storage layout as a compiler output option (#2433)
• Add experimental OVM backend (#2416)
• Allow any ABI-encodable type as event arguments (#2403)
• Optimize int128 clamping (#2411)
• Other docs updates (#2405, #2422, #2425)

Fixes:

• Disallow nonreentrant decorator on constructors (#2426)
• Fix bounds checks when handling msg.data (#2419)
• Allow interfaces in lists, structs and maps (#2397)
• Fix trailing newline parse bug (#2412)

Special thanks to contributions from @skellet0r, @sambacha and @milancermak for this release!

Vyper 0.2.15

⚠️ A critical security vulnerability has been discovered in this version and we strongly recommend using version 0.3.1 or higher. For more information, please see the Security Advisory GHSA-5824-cm3x-3c38. ⚠️

Non-breaking changes and improvements

• Optimization when returning nested tuples (#2392)

Fixes

• Annotated kwargs for builtins (#2389)
• Storage slot allocation bug (#2391)

Vyper 0.2.14

Non-breaking changes and improvements

• Reduce bytecode by sharing code for clamps (#2387)

Fixes

• Storage corruption from re-entrancy locks (#2379)

Vyper 0.2.13

Non-breaking changes and improvements:

• Add the abs builtin function (#2356)
• Streamline the location of arrays within storage (#2361)

Vyper 0.2.12

This release fixes a memory corruption bug #2345 that was introduced in the v0.2.x series and was not fixed in VVE-2020-0004. Read about it further in VVE-2021-0001.

Non-breaking changes and improvements:

• Optimize calldataload (#2352)
• Add the int256 signed integer type (#2351)
• EIP2929 opcode repricing and Berlin support (#2350)
• Add msg.data environment variable #2343 (#2343)
• Full support for Python 3.9 (#2233)

Vyper 0.2.11

This is a patch release to fix a memory corruption bug that was introduced in v0.2.9 (#2321) with excessive memory deallocation when releasing internal variables

Vyper 0.2.10

This is a quick patch release to fix incorrect generated ABIs that was introduced in v0.2.9 (#2311) where storage variable getters were incorrectly marked as nonpayable instead of view

Vyper 0.2.9

Merge pull request #2301 from vyperlang/release/0.2.9

Release v0.2.9

Vyper 0.2.8

Merge pull request #2240 from iamdefinitelyahuman/v0.2.8

v0.2.8

Vyper 0.2.7

This is a quick patch release to fix a runtime error introduced in v0.2.6 (#2188) that could allow for memory corruption under certain conditions.