Hello! On Tue, Jun 21, 2022 at 04:19:30PM +0300, Maxim Dounin wrote:
> Hello! > > On Tue, Jun 21, 2022 at 03:20:31PM +0400, Sergey Kandaurov wrote: > > > > On 21 Jun 2022, at 05:27, Maxim Dounin <mdou...@mdounin.ru> wrote: > > > > > > Changes with nginx 1.23.0 21 Jun > > > 2022 > > > > > > *) Change in internal API: now header lines are represented as linked > > > lists. > > > > > > *) Change: now nginx combines arbitrary header lines with identical > > > names when sending to FastCGI, SCGI, and uwsgi backends, in the > > > $r->header_in() method of the ngx_http_perl_module, and during > > > lookup > > > of the "$http_...", "$sent_http_...", "$sent_trailer_...", > > > "$upstream_http_...", and "$upstream_trailer_..." variables. > > > > > > *) Bugfix: if there were multiple "Vary" header lines in the backend > > > response, nginx only used the last of them when caching. > > > > > > *) Bugfix: if there were multiple "WWW-Authenticate" header lines in > > > the > > > backend response and errors with code 401 were intercepted or the > > > "auth_request" directive was used, nginx only sent the first of the > > > header lines to the client. > > > > > > *) Change: the logging level of the "application data after close > > > notify" SSL errors has been lowered from "crit" to "info". > > > > > > *) Bugfix: connections might hang if nginx was build on Linux 2.6.17 or > > > newer, but was used on systems without EPOLLRDHUP support, notably > > > with epoll emulation layers; the bug had appeared in 1.17.5. > > > Thanks to Marcus Ball. > > > > Just wonder how such emulation layer is widespread enough to step on > > the bug and to deserve an entry in changes, comparing to the bugfix for > > "ignore long locked" alert with two cache managers that's not there. > > The "ignore long locked" alert is something caught with artificial > stress testing and never reported in practice (or at least never > attributed to the particular race condition). Further, there is > no real issue, just a race condition which results in an unwanted > alert. As such, I've skipped it as something minor, mostly > internal and very unlikely to be seen by users. If you think it > worth an entry I can add one though. > > The EPOLLRDHUP issue is a real one, which results in connection > hangs. And, as far as I understand, it was observed by Marcus in a > real world use case on DigitalOcean's App Platform. As such, it > certainly deserves to be mentioned in CHANGES. > > > > *) Bugfix: nginx did not cache the response if the "Expires" response > > > header line disabled caching, but following "Cache-Control" header > > > line enabled caching. > > > > > > > > > Изменения в nginx 1.23.0 > > > 21.06.2022 > > > > > > *) Изменение во внутреннем API: теперь строки заголовков представлены > > > связными списками. > > > > > > *) Изменение: теперь nginx объединяет произвольные строки заголовков с > > > одинаковыми именами при отправке на FastCGI-, SCGI- и uwsgi- > > > бэкенды, > > > > a stray space in "uwsgi- "? > > Yes, fixed, thnx. Pushed to: http://mdounin.ru/hg/nginx http://mdounin.ru/hg/nginx.org Release files as build by me: http://mdounin.ru/temp/nginx-1.23.0.tar.gz http://mdounin.ru/temp/nginx-1.23.0.tar.gz.asc http://mdounin.ru/temp/nginx-1.23.0.zip http://mdounin.ru/temp/nginx-1.23.0.zip.asc -- Maxim Dounin http://mdounin.ru/ _______________________________________________ nginx-devel mailing list -- nginx-devel@nginx.org To unsubscribe send an email to nginx-devel-le...@nginx.org
