This release includes a fix for serverless environments where transient serverHeartBeatFailure events that could be corrected to serverHeartBeatSucceeded events in the next tick of the event loop were nonetheless handled as an actual issue with the client's connection and caused unnecessary resource clean up routines.
It turns out that since Node.js handles timeout events first in the event loop, socket timeouts expire while the FaaS environment is dormant and the timeout handler code is the first thing that runs upon function wake prior to checking for any data from the server. Delaying the timeout handling until after the data reading phase avoids the sleep-induced timeout error in the cases where the connection is still healthy.
TS fixes for 4.7
Typescript 4.7 may not be out yet but in preparation for its release we've fixed issues compiling against that version. The main new obstacle was defaulting generic arguments that require that the constraining condition enforce similarity with the defaulted type. You may notice that our change stream watch<T extends Document = Document>() methods now requires that T extends Document, a requirement that already had to be met by the underlying ChangeStreamDocument type.
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Bumps mongodb from 3.7.3 to 4.5.0.
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Sourced from mongodb's releases.
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Commits
3dba3ae
chore(release): 4.5.06ffa661
docs: generate next version API documentation (#3188)43f748c
chore(NODE-4153): make type fixes for ts 4.7 (#3185)0ed7cbf
fix(NODE-3810): delay timeout errors by one event loop tick (#3180)4e2f9bf
feat(NODE-3699): add support forcomment
field (#3167)43ba9fc
fix(NODE-4129): constrainwatch
type parameter to extendChangeStream
typ...5132bc9
feat(NODE-3697): reduce serverSession allocation (#3171)de9fd7f
chore: add failpoint interface (#3181)d2897ab
feat(NODE-4085): add typings for csfle shared library option support (#3179)d266158
chore: bump bson 4.6.1 -> 4.6.2 (#3178)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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