gh-129876: Initial 3.14 News3.txt entries (#129881)

Author: terryjreedy

Lib/idlelib/News3.txt

@@ -1,9 +1,22 @@
+What's New in IDLE 3.14.0
+(since 3.13.0)
+Released on 2025-10-07
+=========================
+
+
+gh-127060: Set TERM environment variable to 'dumb' to not add ANSI escape
+sequences for text color in tracebacks. IDLE does not understand them.
+Patch by Victor Stinner.
+
+gh-122392: Increase currently inadequate vertical spacing for the IDLE
+browsers (path, module, and stack) on high-resolution monitors.
+
+
 What's New in IDLE 3.13.0
 (since 3.12.0)
-Released on 2024-10-xx
+Released on 2024-10-07
 =========================
 
-
 gh-120104: Fix padding in config and search dialog windows in IDLE.
 
 gh-120083: Add explicit black IDLE Hovertip foreground color needed for