Release Notes

This document describes changes that were included in the release of EPICS listed below. Notes from earlier EPICS releases are now provided in a separate document for each version in the EPICS 7 series to date. Release documents are also included for the older Base 3.15 and 3.16 series.

EPICS Release 7.0.4.1

ARM Architecture Changes

Build configuration files for a new cross-build architecture linux-aarch64 have been added, and the targets linux-arm_el and linux-arm_eb removed. The 64-bit ARM architecture target doesn't have build files for self-hosting yet but they should be relatively easy to add, contributions welcome!

Bug fixes

The following bugs/issues have fixes included in this release:

lp: 1884339, Inaccessible CA servers on Windows
github: 83 osdTimeGetCurrent doesn't work for subprocess on macOS
Recent Cygwin build problem with a missing TCP_NODELAY declaration.

Perl CA Bindings under Conda

Builds of the Perl CA bindings weren't working properly when the Perl installation was from Conda. This release also fixed the capr.pl script to handle the INT64 data types, and to be able to properly handle missing fields, as happens if the IOC is running an older EPICS version for example.

epicsMessageQueue implementation on RTEMS

The implementation of the epicsMessageQueue used on RTEMS has switched from the native RTEMS-specific one to the EPICS generic version, avoiding a bug in the RTEMS Kernel message queue code.

Record Name Validation

Historically, there have been very few restrictions on which characters may be present in record and alias names. Base 3.14.12.3 added a warning for names containing space, single or double quote, period/dot, or dollar sign.

Bad character ' ' in record name "bad practice"

7.0.4.1 Turns this warning into an error, and adds a new warning if a record name begins with a minus, plus, left square bracket, or left curly bracket.

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