APM Server version 6.2 | APM Server Reference [7.14]

Renaming and reverse boolean in_app to library_frame 385.
Renaming app to service 377
Move trace.transaction_id to transaction.id 345, 347, 371
Renaming trace to span 352.
Renaming and reverse boolean exception.uncaught to exception.handled 434.
Move process related fields to their own namespace 445.
Rename Kibana directories according to changed structure in beats framework. 454
Change config option max_header_bytes to max_header_size 492.
Change config option frontend.sourcemapping.index to frontend.source_mapping.index_pattern and remove adding a * by default. 492.
Remove untested config options from config yml files 496

service.environment 366
Consider exception or log message for grouping key when nothing else is available 435
Add context.request.url.full 436
Report more detail on max data size error 442
Increase default MaxUnzippedSize from 10mb to 50mb 439
Add transaction.id to errors 437
Support for transaction.marks 430
Support for uploading sourcemaps 302.
Support for sourcemap mapping on incoming frontend requests 381, 462, 502
Support for transaction.span_count.dropped.total 448.
Optional field transaction.sampled 441
Add Kibana sourcefilter for sourcemap.sourcemap 454
Increase default ConcurrentRequests from 20 to 40 492
Add Config option for excluding stack trace frames from grouping_key calculation 482
Expose expvar 509
Add process.ppid as optional field 564
Change error.culprit after successfully applying sourcemapping 520
Make transaction.name optional 554
Remove config files from beats. Manually add relevant config options 578
Use separate index for uploaded source maps 582.
Store original values when applying source mapping or changing library_frame value 647