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Title: v0.7.41: email fixes, MCP fixes, gemini 3.6 flash, GitHub runners fallback, mothership experience improvements, soft delete chats by waleedlatif1 · Pull Request #5835 · simstudioai/sim · GitHub

Open Graph Title: v0.7.41: email fixes, MCP fixes, gemini 3.6 flash, GitHub runners fallback, mothership experience improvements, soft delete chats by waleedlatif1 · Pull Request #5835 · simstudioai/sim

X Title: v0.7.41: email fixes, MCP fixes, gemini 3.6 flash, GitHub runners fallback, mothership experience improvements, soft delete chats by waleedlatif1 · Pull Request #5835 · simstudioai/sim

Description: Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforce. - v0.7.41: email fixes, MCP fixes, gemini 3.6 flash, GitHub runners fallback, mothership experience improvements, soft delete chats by waleedlatif1 · Pull Request #5835 · simstudioai/sim

Open Graph Description: fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs (fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs #5798) fix(security): prefer IPv4 when pinning...

X Description: fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs (fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs #5798) fix(security): prefer IPv4 when pinning...

Opengraph URL: https://github.com/simstudioai/sim/pull/5835

X: @github

direct link

Domain: Github.com

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v0.7.41: email fixes, MCP fixes, gemini 3.6 flash, GitHub runners fallback, mothership experience improvements, soft delete chatshttps://Github.com/simstudioai/sim/pull/5835#top
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Jul 22, 2026https://Github.com/simstudioai/sim/pull/5835#issue-4945079024
Please reload this pagehttps://Github.com/simstudioai/sim/pull/5835
fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 hangs #5798https://github.com/simstudioai/sim/pull/5798
fix(security): prefer IPv4 when pinning DB and 1Password connections #5799https://github.com/simstudioai/sim/pull/5799
fix(emails): sharpen wordmark, add clear space, and standardize footer icon sizes #5802https://github.com/simstudioai/sim/pull/5802
fix(emails): keep custom whitelabel logos at their original height #5803https://github.com/simstudioai/sim/pull/5803
fix(csp): allow X (Twitter) conversion pixel domains on hosted #5804https://github.com/simstudioai/sim/pull/5804
feat(models): sunset tiers for models mirroring blocks (legacy amber / deprecated red) #5805https://github.com/simstudioai/sim/pull/5805
fix(mcp): bound OAuth callback steps and log each phase to pinpoint hangs #5807https://github.com/simstudioai/sim/pull/5807
improvement(slack): merge slack_v2 auth into one credential picker for accounts and custom bots #5800https://github.com/simstudioai/sim/pull/5800
chore(ci): add CI_PROVIDER toggle between Blacksmith and GitHub-hosted runners #5808https://github.com/simstudioai/sim/pull/5808
improvement(mcp): let users re-open OAuth authorization anytime #5809https://github.com/simstudioai/sim/pull/5809
feat(providers): add Gemini 3.6 Flash and 3.5 Flash-Lite #5812https://github.com/simstudioai/sim/pull/5812
improvement(emcn): consistent hugging tab bars via ChipModalTabs #5815https://github.com/simstudioai/sim/pull/5815
fix(mcp): don't blank the MCP tools page when tool discovery fails #5816https://github.com/simstudioai/sim/pull/5816
fix(workflow-persistence): make persistMigratedBlocks' updated_at guard millisecond-tolerant #5790https://github.com/simstudioai/sim/pull/5790
fix(custom-blocks): render and execute custom blocks as agent tools #5811https://github.com/simstudioai/sim/pull/5811
feat(access-control): per-group chat-deploy auth modes + polish #5818https://github.com/simstudioai/sim/pull/5818
fix(pii): mask offloaded large payloads chunk-by-chunk instead of aborting at 16MB #5810https://github.com/simstudioai/sim/pull/5810
fix(mcp): keep the pooled connection warm on a request timeout #5817https://github.com/simstudioai/sim/pull/5817
diag(mcp): per-request phase logging on the streamable-HTTP transport #5819https://github.com/simstudioai/sim/pull/5819
fix(mcp): retire pooled connections after consecutive request timeouts #5821https://github.com/simstudioai/sim/pull/5821
improvement(search-modal): remove matched-character bolding and move SearchHighlight into knowledge #5822https://github.com/simstudioai/sim/pull/5822
improvement(admin): cleanup included usage settings for enterprise #5825https://github.com/simstudioai/sim/pull/5825
fix(ci): make GitHub-hosted fallback actually build and test #5814https://github.com/simstudioai/sim/pull/5814
fix(ci): run Build App on the larger runner in GitHub mode #5826https://github.com/simstudioai/sim/pull/5826
fix(mcp): replace single-IP pinning with validate-at-connect SSRF guard #5823https://github.com/simstudioai/sim/pull/5823
fix(mcp): open the OAuth popup synchronously and bound the start request #5824https://github.com/simstudioai/sim/pull/5824
fix(slack): allow empty status to clear the assistant status indicator #5827https://github.com/simstudioai/sim/pull/5827
improvement(mcp): make the OAuth experience visible and verbally consistent #5829https://github.com/simstudioai/sim/pull/5829
fix(workflow): align condition/router handles with their rows #5831https://github.com/simstudioai/sim/pull/5831
improvement(subblocks): trust block registry over stored subblock type #5832https://github.com/simstudioai/sim/pull/5832
improvement(mothership): stable thinking indicator and jump-free streaming scroll #5828https://github.com/simstudioai/sim/pull/5828
feat(library): Best AI Agents for Data Extraction and RAG in 2026 #5834https://github.com/simstudioai/sim/pull/5834
fix(mcp): follow tools/list pagination instead of silently truncating #5833https://github.com/simstudioai/sim/pull/5833
feat(chat): soft-delete sidebar chats with restore from Recently Deleted #5830https://github.com/simstudioai/sim/pull/5830
fix(mcp): keep last-known-good tools instead of flashing red on a transient failure #5839https://github.com/simstudioai/sim/pull/5839
fix(auth): gate email-otp auto-signup behind DISABLE_EMAIL_SIGNUP #5840https://github.com/simstudioai/sim/pull/5840
improvement(deployments): shorten lock windows and add tx safety timeouts on the deploy path #5841https://github.com/simstudioai/sim/pull/5841
Please reload this pagehttps://Github.com/simstudioai/sim/pull/5835
waleedlatif1https://Github.com/waleedlatif1
July 20, 2026 22:29https://Github.com/simstudioai/sim/pull/5835#commits-pushed-d381eef
https://Github.com/waleedlatif1
fix(mcp): pin outbound connections to IPv4 to avoid unreachable-IPv6 …https://Github.com/simstudioai/sim/pull/5835/commits/d381eef93d6c991e38b941a77878e26b8e68ef08
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fix(mcp): bound OAuth callback steps and log each phase to pinpoint h…https://Github.com/simstudioai/sim/pull/5835/commits/7db9108d151865586db482eb081895bcc9acaf59
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chore(ci): add CI_PROVIDER toggle between Blacksmith and GitHub-hoste…https://Github.com/simstudioai/sim/pull/5835/commits/da562464ffecff5c57e896ef2a4c5b8c6e85ce5b
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improvement(mcp): let users re-open OAuth authorization anytime (https://Github.com/simstudioai/sim/pull/5835/commits/6e5f6859bacabddf62aa259a2deca35d9e6bc88e
#5809https://github.com/simstudioai/sim/pull/5809
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feat(providers): add Gemini 3.6 Flash and 3.5 Flash-Lite (https://Github.com/simstudioai/sim/pull/5835/commits/108fea13cd1d484fc13787278e98e19c4b20965a
#5812https://github.com/simstudioai/sim/pull/5812
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improvement(emcn): consistent hugging tab bars via ChipModalTabs (https://Github.com/simstudioai/sim/pull/5835/commits/94b23344e6e8d89e0e28908a0d46391893201002
#5815https://github.com/simstudioai/sim/pull/5815
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fix(mcp): don't blank the MCP tools page when tool discovery fails (https://Github.com/simstudioai/sim/pull/5835/commits/d35bc770535a6641532518ca736b9fd76f5aca57
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feat(access-control): per-group chat-deploy auth modes + polish (https://Github.com/simstudioai/sim/pull/5835/commits/7ee8f46a70ed6222e596170c6474a7e355e8413c
#5818https://github.com/simstudioai/sim/pull/5818
)https://Github.com/simstudioai/sim/pull/5835/commits/7ee8f46a70ed6222e596170c6474a7e355e8413c
7ee8f46https://Github.com/simstudioai/sim/pull/5835/commits/7ee8f46a70ed6222e596170c6474a7e355e8413c
https://Github.com/TheodoreSpeaks
https://Github.com/claude
fix(pii): mask offloaded large payloads chunk-by-chunk instead of abo…https://Github.com/simstudioai/sim/pull/5835/commits/bcad4e308c4446e8abb8dae366f752ca4de23669
bcad4e3https://Github.com/simstudioai/sim/pull/5835/commits/bcad4e308c4446e8abb8dae366f752ca4de23669
#5810https://github.com/simstudioai/sim/pull/5810
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJhttps://claude.ai/code/session_01A1JYstmLHk9qMGyBDqYRcJ
https://Github.com/waleedlatif1
fix(mcp): keep the pooled connection warm on a request timeout (https://Github.com/simstudioai/sim/pull/5835/commits/051c86f696e6666bacad23218cc8e66d24e70c29
#5817https://github.com/simstudioai/sim/pull/5817
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diag(mcp): per-request phase logging on the streamable-HTTP transport (https://Github.com/simstudioai/sim/pull/5835/commits/9fb9ac54e4e0af925dbf96221b5c0d5079c83ba1
…https://github.com/simstudioai/sim/pull/5819
9fb9ac5https://Github.com/simstudioai/sim/pull/5835/commits/9fb9ac54e4e0af925dbf96221b5c0d5079c83ba1
…#5819https://github.com/simstudioai/sim/pull/5819
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fix(mcp): retire pooled connections after consecutive request timeouts (https://Github.com/simstudioai/sim/pull/5835/commits/6f96d4a3d4830558bb3a12e50b1f922c963f5ee3
6f96d4ahttps://Github.com/simstudioai/sim/pull/5835/commits/6f96d4a3d4830558bb3a12e50b1f922c963f5ee3
#5821https://github.com/simstudioai/sim/pull/5821
#5817https://github.com/simstudioai/sim/pull/5817
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improvement(search-modal): remove matched-character bolding and move …https://Github.com/simstudioai/sim/pull/5835/commits/daa2416cba89cfe4221ba67fa6c3c0c0d4bf0e14
daa2416https://Github.com/simstudioai/sim/pull/5835/commits/daa2416cba89cfe4221ba67fa6c3c0c0d4bf0e14
#5822https://github.com/simstudioai/sim/pull/5822
https://Github.com/icecrasher321
improvement(admin): cleanup included usage settings for enterprise (https://Github.com/simstudioai/sim/pull/5835/commits/995167dd1805ba71fddde9710e0a12daa3897211
#…https://github.com/simstudioai/sim/pull/5825
995167dhttps://Github.com/simstudioai/sim/pull/5835/commits/995167dd1805ba71fddde9710e0a12daa3897211
…5825https://github.com/simstudioai/sim/pull/5825
https://Github.com/TheodoreSpeaks
fix(ci): make GitHub-hosted fallback actually build and test (https://Github.com/simstudioai/sim/pull/5835/commits/4b979780d22dc8bb81742fe3b63397e76ce85dc9
#5814https://github.com/simstudioai/sim/pull/5814
)https://Github.com/simstudioai/sim/pull/5835/commits/4b979780d22dc8bb81742fe3b63397e76ce85dc9
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https://Github.com/TheodoreSpeaks
fix(ci): run Build App on the larger runner in GitHub mode (https://Github.com/simstudioai/sim/pull/5835/commits/e9898ea24da23f663de0f35d6d4a1c461d0a0887
#5826https://github.com/simstudioai/sim/pull/5826
)https://Github.com/simstudioai/sim/pull/5835/commits/e9898ea24da23f663de0f35d6d4a1c461d0a0887
e9898eahttps://Github.com/simstudioai/sim/pull/5835/commits/e9898ea24da23f663de0f35d6d4a1c461d0a0887
https://Github.com/waleedlatif1
fix(mcp): replace single-IP pinning with validate-at-connect SSRF gua…https://Github.com/simstudioai/sim/pull/5835/commits/3458220ec9b24a123b2bda0532f4acf69321ce74
3458220https://Github.com/simstudioai/sim/pull/5835/commits/3458220ec9b24a123b2bda0532f4acf69321ce74
#5823https://github.com/simstudioai/sim/pull/5823
#5798https://github.com/simstudioai/sim/pull/5798
https://Github.com/waleedlatif1
fix(mcp): open the OAuth popup synchronously and bound the start requ…https://Github.com/simstudioai/sim/pull/5835/commits/e51a867de3b035f24efe55a474ea8dae749db3fb
e51a867https://Github.com/simstudioai/sim/pull/5835/commits/e51a867de3b035f24efe55a474ea8dae749db3fb
#5824https://github.com/simstudioai/sim/pull/5824
https://Github.com/TheodoreSpeaks
fix(slack): allow empty status to clear the assistant status indicator (https://Github.com/simstudioai/sim/pull/5835/commits/e3f9deb65e83974c87ea2b8870ccc29812058103
e3f9debhttps://Github.com/simstudioai/sim/pull/5835/commits/e3f9deb65e83974c87ea2b8870ccc29812058103
#5827https://github.com/simstudioai/sim/pull/5827
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improvement(mcp): make the OAuth experience visible and verbally cons…https://Github.com/simstudioai/sim/pull/5835/commits/1f9f65df7085ecfbda519a1ae6c4d4b55a773fd6
1f9f65dhttps://Github.com/simstudioai/sim/pull/5835/commits/1f9f65df7085ecfbda519a1ae6c4d4b55a773fd6
#5829https://github.com/simstudioai/sim/pull/5829
https://Github.com/waleedlatif1
fix(workflow): align condition/router handles with their rows (https://Github.com/simstudioai/sim/pull/5835/commits/a360cd4d7cae44690326e7ba916972367677cdf6
#5831https://github.com/simstudioai/sim/pull/5831
)https://Github.com/simstudioai/sim/pull/5835/commits/a360cd4d7cae44690326e7ba916972367677cdf6
a360cd4https://Github.com/simstudioai/sim/pull/5835/commits/a360cd4d7cae44690326e7ba916972367677cdf6
https://Github.com/icecrasher321
improvement(subblocks): trust block registry over stored subblock type (https://Github.com/simstudioai/sim/pull/5835/commits/1b48eeb991eb95465304610ff20fedcbcb771b0c
1b48eebhttps://Github.com/simstudioai/sim/pull/5835/commits/1b48eeb991eb95465304610ff20fedcbcb771b0c
#5832https://github.com/simstudioai/sim/pull/5832
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July 21, 2026 22:11https://Github.com/simstudioai/sim/pull/5835#commits-pushed-2cbecb5
https://Github.com/TheodoreSpeaks
improvement(mothership): stable thinking indicator and jump-free stre…https://Github.com/simstudioai/sim/pull/5835/commits/2cbecb5baaa774e73d17654efd7d89a01e4475d3
2cbecb5https://Github.com/simstudioai/sim/pull/5835/commits/2cbecb5baaa774e73d17654efd7d89a01e4475d3
#5828https://github.com/simstudioai/sim/pull/5828
https://Github.com/icecrasher321
feat(library): Best AI Agents for Data Extraction and RAG in 2026 (https://Github.com/simstudioai/sim/pull/5835/commits/64353f210e22f5cac80a33aa4e24d23cd62a2116
#5834https://github.com/simstudioai/sim/pull/5834
64353f2https://Github.com/simstudioai/sim/pull/5835/commits/64353f210e22f5cac80a33aa4e24d23cd62a2116
https://github.com/simstudioai/sim/pull/5834
https://Github.com/waleedlatif1
fix(mcp): follow tools/list pagination instead of silently truncating (https://Github.com/simstudioai/sim/pull/5835/commits/943d1843654ebcf931f8a65a1685c9718a339c65
…https://github.com/simstudioai/sim/pull/5833
943d184https://Github.com/simstudioai/sim/pull/5835/commits/943d1843654ebcf931f8a65a1685c9718a339c65
…#5833https://github.com/simstudioai/sim/pull/5833
https://Github.com/waleedlatif1
feat(chat): soft-delete sidebar chats with restore from Recently Dele…https://Github.com/simstudioai/sim/pull/5835/commits/93fbf584a2fe31f70146c4eb711d3e09f313a775
93fbf58https://Github.com/simstudioai/sim/pull/5835/commits/93fbf584a2fe31f70146c4eb711d3e09f313a775
#5830https://github.com/simstudioai/sim/pull/5830
https://Github.com/waleedlatif1
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#5840https://github.com/simstudioai/sim/pull/5840
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c708addhttps://Github.com/simstudioai/sim/pull/5835/commits/c708add95f317760c661f4b24ffa81747f717920
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