Go Agent version 2.x | APM Go Agent Reference [2.x]

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Go Agent version 2.xedit

Global labels are now parsed when the tracer is constructed, instead of parsing only once on package initialization #1290
Rename span_frames_min_duration to span_stack_trace_min_duration #1285
Ignore \*principal\* headers by default #1332
Add apmpgx module for postgres tracing with jackc/pgx driver enhanced support e.g. Copy and Batch statements #1301
Disable same-kind and enable exact-match compression by default #1256
module/apmechov4: add WithRequestName option #1268
Added support for adding span links when starting transactions and spans #1269
module/apmawssdkgo: fixed a panic related to drop spans #1273
Added support for the trace_continuation_strategy #1270
transaction.type and span.type are now set to "custom" if an empty string is specified #1272
We now capture the database instance name in service.target.*, for improved backend granularity #1279
Improved Kubernetes pod UID and container ID discovery coverage #1288
Fixed span.name for AWS SNS spans to match the spec #1286
module/apmgin: add WithPanicPropagation option #1314
Exit spans may now have non-exit child spans if they have the same type and subtype #1320
Updated instrumentation modules to mark spans as exit spans where possible #1317

Replace authorization with *auth* pattern for sanitizing field names #1230
Fetch initial server version async to prevent blocking NewTracer for 10 seconds #1239
Fix race in apm.DefaultTracer which could lead to multiple tracers being created #1248

Record transaction.name on errors #1177
Fix panic in apmgocql #1180
Stop recording unused transaction.duration.* and transaction.breakdown.count metrics #1167
Make tracestate parsing more lenient, according to W3c spec, allowing duplicate vendor keys #1183
Introduced transport.NewHTTPTransportOptions #1168
Change ELASTIC_APM_SPAN_FRAMES_MIN_DURATION special cases to match agent spec #1188
Remove stacktrace.ContextSetter #1187
Drop support for versions of Go prior to 1.15.0 #1190
Replace apm.DefaultTracer with an initialization function #1189
Remove transport.Default, construct a new Transport in each new tracer #1195
Add service name and version to User-Agent header #1196
Remove WarningLogger, add Warningf methe to Logger #1205
Replace Sampler with ExtendedSampler #1206
Drop unsampled txs when connected to an APM Server >= 8.0 #1208
Removed SetTag #1218
Unexport Tracer’s fields — TracerOptions must be used instead #1219