Letta Code v0.34.21 Release Notes — What's New

feat(listener): carry MCP originator token to tool-run calls (USER_SCOPED_MCP_CONNECTIONS 2c) by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5136
fix(model): send selected Grok reasoning effort for xAI handles by @sarahwooders in https://github.com/letta-ai/letta-code/pull/5198
fix(subagents): don't let caller-notified remote workers claim the parent runtime [LET-14140] by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5202
chore: bump version to 0.34.20 by @github-actions[bot] in https://github.com/letta-ai/letta-code/pull/5204
fix(skills): stop recommending Letta Desktop for connecting computers by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5206
fix(listener): name the connection on BYOK model rows that share a label by @cpacker in https://github.com/letta-ai/letta-code/pull/5209
feat(listener): isolate MCP originators across queued turns by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5210
feat(mcp): advertise originator isolation on tool requests by @letta-integration[bot] in https://github.com/letta-ai/letta-code/pull/5211
fix: use environment record IDs for computers list pagination by @cpacker in https://github.com/letta-ai/letta-code/pull/5213
chore: bump version to 0.34.21 by @github-actions[bot] in https://github.com/letta-ai/letta-code/pull/5219

Full Changelog: https://github.com/letta-ai/letta-code/compare/v0.34.19...v0.34.21