22.0.0-rc.1

What's Changed

• Remove rust-analyzer-compat ci check by @leighmcculloch in #1427
• Update stellar-xdr by @leighmcculloch in #1431
• Bump version to 21.2.0 by @github-actions in #1432
• Add CI concurrency group by @leighmcculloch in #1435
• Use explicit protocol version for test Wasms. by @dmkozh in #1439
• Just upgrade to protocol 22 by @graydon in #1444
• Unpin all non-stellar dependencies by @leighmcculloch in #1441
• Pure wasmi 036 by @graydon in #1442
• clippy formatting fixes by @sisuresh in #1449
• Implement CAP-58 (constructor support) by @dmkozh in #1447
• Improved error message for Symbol validation error. by @dmkozh in #1451
• Update with stellar-xdr with split interface version by @leighmcculloch in #1453
• Add a small harness that just loads all wasms from a workspace directory by @graydon in #1454
• Rounding improvement for budget model with iterations > 1 by @jayz22 in #1450
• Call constructors for the test contracts. by @dmkozh in #1455
• Add tests that cover recursion with self re-entrance. by @dmkozh in #1459
• Bump tracy-client to 0.17 to expose delayed-init feature by @graydon in #1462
• Remove backtrace by @leighmcculloch in #1464
• Add e2e tests to cover unsupported Wasm upload failure. by @dmkozh in #1461
• Format contract id in fn_call event topic by @sisuresh in #1465
• BLS12-381 host functions by @jayz22 in #1456
• Update dalek crates, k256, and wasmi for protocol 22 by @graydon in #1466
• Update stellar-xdr by @leighmcculloch in #1467
• Replace cargo-deny skip-tree with explicit skips by @leighmcculloch in #1468
• Set version to 22.0.0-rc.1 by @sisuresh in #1470
• Set xdr version to 22.0.0-rc.1 by @sisuresh in #1471

Full Changelog: v21.1.2...v22.0.0-rc.1